by kalpataru | Feb 23, 2023 | Blog
Additionally, C17200 beryllium copper tape frequently interacts with other elements like lead, zinc, and phosphorous. It is a metal that was used by humans long ago. There have been about 6,000 years of use. It performs well mechanically and technologically and brazes and welds superbly without sparking when struck. The amount of beryllium in a copper sheet made from C17200 beryllium for pressure processing. The beryllium concentration of copper strip C17200. A non-ferrous metal composition with a low casting shortening rate is a C17200 beryllium copper strip. Castings with clumsy shapes, obvious generalisations, and minimal air tightness standards can be made using this technique.
The C17200 beryllium copper belt is used in steam boilers, marine ship components, seawater, fresh water, and the atmosphere. A belt made of C17200 beryllium copper and phosphorus has good mechanical properties and can be used as an elastic component and grinding component in high-precision machine tools. For grinding components and sliding bearings, C17200 beryllium copper tape is frequently employed. Castings with a high airtightness can be made from the C17200 beryllium copper sheet, which contains zinc.
The primary low-pressure feature of the high-function C17200 beryllium copper tape is around some non-ferrous metals. It has operating circumstances if used in a gravity-casting mould. According to extensive studies, it might be the reason why beryllium bronze failed. The corrosion strength of molten metal and this composition are correlated above.
It can successfully create a high-performance beryllium bronze mould material that combines high conductivity, heat resistance, wear resistance, high resistance, and corrosion resistance of the molten metal. This material can better address domestic non-ferrous metals, gravity or low-pressure casting moulds’ problems with simple cracks and simple wear, leading to a significant mould life, quick demolding, and gradual strength.
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Talking about the Application of Beryllium Copper in Plastic Mould: There is a growing trend in the use of beryllium copper mould materials in the production of plastic moulds today. What causes this occurrence, and why? Let me discuss with the editor how and why beryllium copper is used in plastic castings
Types of Beryllium Copper Alloys: Beryllium-copper alloys are split into two groups based on what they are made of and what physical properties they have. Pieces of beryllium copper can be forged or cast, and they can be sold as plates, rods, strips, and wires, among other things.
by kalpataru | Feb 23, 2023 | Blog
There is a growing trend in the use of beryllium copper mould materials in the production of plastic moulds today. What causes this occurrence, and why? Let me discuss with the editor how and why beryllium copper is used in plastic castings.
Sufficient hardness and strength – Engineers can learn and master the hardening conditions, working conditions, alloy precipitation, and mass characteristics of beryllium copper after many tests (this is the point on which the beryllium copper alloy is based); beryllium copper materials need to go through numerous cycles of tests before they are used in plastic moulds to finally determine the physical proper conditions; When copper is hrc36-42 hard, it can achieve the hardness, strength, and high heat conductivity needed for the manufacture of tungsten dies. It can also be easily and conveniently machined, have a long mould life, and shorten the development and production cycle.
Good thermal conductivity: It is advantageous to control the temperature of the plastic machining mould using beryllium copper because of the material’s high thermal conductivity; in addition, it is simpler to control the moulding cycle while ensuring that the temperature of the mould wall is consistent. The cycle is much shorter, and it is possible to lower the mould’s typical temperature by about 20%. Use the beryllium copper mould material to cool when there is little variation between the average ejection temperature and the average mould wall temperature (for instance, when the mould parts are difficult to cool). You can cut the duration by 40%. The characteristics of the beryllium copper mould materials mentioned above will provide several benefits to the mould makers using this material to shorten the moulding cycle and increase output, even though the mould wall temperature is only reduced by 15%; The grade of the drawn products is improved by the uniformity of the mould wall temperature; Because there are fewer cooling lines, it is possible to raise the temperature of the material, which reduces the product’s wall thickness and lowers the cost of the final product.
The long service life of the mould: For the manufacturer, it’s crucial to budget for the mould’s price, output continuity, and expected service life. The temperature of beryllium copper increases when it reaches the required levels of strength and toughness. Stress insensitivity can significantly lengthen the mould’s useful life. The yield strength, elastic modulus, thermal conductivity, and temperature expansion rate of beryllium copper should also be taken into account before deciding on the use of beryllium copper mould materials. Compared to die steel, beryllium copper has a much higher thermal stress resilience. The service life of beryllium copper is astounding from this perspective!
High thermal penetration rate: In addition to the pull’s thermal conductivity, the powder metallurgy mould material’s thermal penetration rate is crucial for plastic goods. The remains of overheating can be removed from the mould using beryllium bronze. The contact temperature of the distal region of the mould wall will be higher if the thermal penetration rate is low, increasing the temperature difference of the mould and, in some cases, causing the sink mark at one end of the plastic product to change to a trace of overheated product at the other end.
Excellent surface quality: Because of its excellent adhesion properties and ease of polishing, beryllium copper is a very effective material for surface finishing and can be directly electroplated.
Contact Us to Buy Beryllium Copper Sheets & Plates
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Comparing Beryllium Copper, Brass, and Bronze: Alloys are made by mixing metal with other metal or non-metallic elements to improve their properties. Copper is used to make brass, bronze, and beryllium copper.
Types of Beryllium Copper Alloys: Beryllium-copper alloys are split into two groups based on what they are made of and what physical properties they have. Pieces of beryllium copper can be forged or cast, and they can be sold as plates, rods, strips, and wires, among other things.
by kalpataru | Feb 2, 2023 | Blog
Alloys are made by mixing metal with other metal or non-metallic elements to improve their properties. Copper is used to making brass, bronze, and beryllium copper. Copper is the “solvent” or main element that makes these mixtures work together. Copper has properties like resistance to corrosion, biofouling, and heat and electricity conductivity.
Brass – Zinc and copper are mixed together to make brass. Zinc’s properties make it a metal that is both strong and easy to shape. It can be shaped better than bronze. It has been used since prehistoric times, but it wasn’t found until about 1,400 BCE. In the past, it was called “yellow copper.” Depending on how much zinc is mixed into it, its color ranges from dull yellowish to reddish. Brass is used to making musical instruments, plumbing supplies, and parts for guns. Gold-colored jewelry is sometimes made out of brass that has been dyed to look like gold.
Bronze – This alloy is made of copper and other metals like tin, manganese, and phosphorus. Tin is the main metal added to this alloy. It was found before brass, around 3,500 B.C.E., and dates back to that time. It has a higher melting point than brass and is hard and brittle. It stands out because its color is reddish gold. Bronze is used to make statues, musical instruments, electrical connectors and springs, fittings, and many other things.
Beryllium Copper – This alloy is made of beryllium, copper, and a small number of elements that help them stick together. There are 30 types of minerals that contain beryllium. It’s a steel-gray metal that is soft and not very dense. When it is mixed with copper, it gets stronger, harder, and better at conducting electricity and heat. In the next chapters, we’ll talk about more of beryllium copper’s properties and how it can be used.
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Types of Beryllium Copper Alloys: Beryllium-copper alloys are split into two groups based on what they are made of and what physical properties they have. Pieces of beryllium copper can be forged or cast, and they can be sold as plates, rods, strips, and wires, among other things.
Common Uses For Beryllium Copper: Beryllium Copper is used in a lot of different fields and industries. This is mostly because it is strong, can conduct electricity and heat, and doesn’t spark or attract magnets. Today, I’ll talk about the unique things about Beryllium Copper that make it such a popular choice.
by kalpataru | Feb 2, 2023 | Blog
Pieces of beryllium copper can be forged or cast, and they can be sold as plates, rods, strips, and wires, among other things. Most of the time, metals like beryllium and copper are shaped by hot or cold working. Melted beryllium copper is poured or injected into a mould to make cast beryllium copper pieces. After the forming process, the material gets harder over time so that the mechanical properties can be changed and controlled better.
Beryllium-copper alloys are split into two groups based on what they are made of and what physical properties they have. Most of the physical beryllium properties depend on how much beryllium is in the alloy, how it is mixed with other elements, and how it is heated and treated by the manufacturer.
High Strength Beryllium Copper Alloys
High-strength beryllium copper alloys have between 1.6% and 2.05% beryllium in them and are used for things that need to be stronger. Age hardening or precipitation hardening are two ways that beryllium alloys get their very high strength. When beryllium and copper are precipitation-hardened, the results are made when beryllium falls out of a solid solution that is mostly pure copper and is already very dense.
When the alloys cool down very slowly, pure copper starts to form because beryllium is less able to dissolve in copper as it cools. After annealing, the alloys are usually cooled quickly so that the beryllium stays solidly mixed with the copper. The alloy stays at 392°F to 860°F (200°C to 460°C) for at least an hour during a precipitation or age-hardening treatment. During tempering, the beryllium-containing phase, called beryllides, comes out of the solution.
During precipitation, beryllium-copper alloys change their properties and get stronger. The beryllium-copper alloy is stronger because of the coherency strains that form where the matrix and precipitates meet. The best thing about beryllium copper alloys is how well they respond to treatment for precipitation hardening and how well they resist stress relaxation.
Some high-strength beryllium copper alloys are:
C17200 or Alloy 25
C17200 is the hardest and strongest of the beryllium copper alloys. It is about as hard and strong as steel. It has 2% beryllium and a Rockwell hardness of C45. Its tensile strength can be more than 200 ksi. The electrical conductivity of C17200 is at least 22% IACS, and at high temperatures, it has a very high resistance to stress relaxation. It is used a lot in the oil and gas industry and for springs that don’t have to be magnetic, conduct electricity (springs that carry current), or rust.
When C17200 is put into a plastic mould, it lowers the temperature of the mould. This means that water is no longer needed to cool the mould. C17200 is four times better at moving heat than the steel used to make the mould. This part of C17200 can make sure that plastic products cool quickly and evenly, reduce product deformation, and help get rid of defects. Using C17200 to cool plastic moulds makes them work better and speeds up the production process.
C17300 or Alloy M25
The amount of lead in C17300 is between 0.2 and 0.6%. The addition of lead makes it less likely that cutting tools will chip edges. This reduces tool wear and makes C17300 a good choice for making parts for electronics, cars, and aeroplanes. C17300 is easier to work with than other high-strength, high-fatigue-resistance alloys.
C17300 is like C17200 in that it has the same properties. It is called “leaded beryllium copper” because it has a small amount of lead in it, which makes it easy to work with. Because it has lead in it, its cutting coefficient goes from 20% to 50%, which makes it better for making precise parts. Some of the performance properties of the C17300 process are high thermal conductivity, the ability to be welded, resistance to corrosion, polishability, resistance to wear and adhesion, and the ability to be forged. C17300 is used to make fuse fasteners, springs, connectors, spot welding heads, seam welding rollers, die casting heads, and plastic moulding dies.
C17000 or Alloy 165
C17000 has less beryllium in it and is a little bit weaker. It doesn’t cost as much as C17200 and is used for lighter tasks. Even when it is very cold, C17000 keeps its strength. It is also used to make tools, fasteners, bearings, and bushings for business. C17000 is often used in equipment for resistance welding.
C17000 is mostly used for things that need to be strong and have good conductivity. It can be softened by heat and made harder by running it through a mill. Soldering, brazing, arc welding, spot welding, and butt welding can all be used to join C17000, but Oxy-Acetylene welding is not recommended. C17000 threaded joints are resistant to galling, whether they are joined to each other or to stainless steel.
High Conductive Beryllium Copper Alloys:
Beryllium copper alloys with high conductivity have a small amount of beryllium in them, between 0.2% and 0.7%, along with small amounts of cobalt and nickel. As the name suggests, these alloys conduct electricity and heat well. The copper alloying element makes the copper better at both heat and electricity. But as the amount of beryllium goes up, these properties go down. This makes the material stronger. The same is true for other systems that mix metals (e.g., brass and bronze). Some of the beryllium copper alloys that are highly conductive are:
C17510 or Alloy 3
C17510 has between 0.2% and 0.6% beryllium and between 1.4% and 2.2% nickel. It is used in places where moderate strength and resistance to thermal fatigue are needed. In the form of wire, it is used for power and signal cables in oil and gas operations that take place far from land. Because it is a good conductor of electricity, its stripped form is used in switches and relays.
Most of the time, C17510 is used to spot weld and seam weld high-resistance alloys like stainless steel. It is suggested for welder structural current members that are stressed and electrode holders that are set at an angle. C17510 has a tensile strength of 140 ksi, a Rockwell hardness of B100, and a conductivity of 45% to 60% of regular copper.
C17500 or Alloy 10
C17500 has between 0.4% and 0.27% beryllium and between 2.4% and 2.7% cobalt. Its mechanical properties are similar to those of C17510. By adding cobalt, the melting point and thermal conductivity of C17500 are slightly lowered. C17500 works well both hot and cold because it has a high thermal resistance. It is a great material for making tools that are cast or moulded.
With a tensile strength of 140 ksi and a Rockwell hardness of B100, C17500 has 45% to 60% of the conductivity of regular copper. All C175 grades of beryllium copper have a cobalt alloy added, but C17510 is different because it also has nickel added. The performance of C17500 and C17510 is the same, no matter how much nickel is in C17510.
Alloy 10X
Alloy 10x is made of copper, cobalt, beryllium, and zirconium. It was made to make beryllium copper stronger and more flexible at high temperatures. It is very strong and flexible, even at temperatures of 806°F (430°C), and it doesn’t crack when heated. Due to its high thermal conductivity and resistance to thermal cracking, one of the main places Alloy 10x is used is in automotive powertrains, such as exhaust valve seats and pre-ignition chambers.
Alloy 310
Copper, beryllium, nickel, and cobalt are mixed together to make alloy 310. It has the same good qualities as C17500 and C17510, like their high electrical and thermal conductivity, strength, and hardness. Also, Alloy 310 has a high resistance to thermal fatigue. Alloy 310 is very popular because it costs less than the other beryllium copper alloys.
Alloy 310 is a good choice for welding electrodes and parts, non-ferrous casting dies, nozzles, and plungers because of its unique properties.
Contact Us – Check the Price of Beryllium Copper Products
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Common Uses For Beryllium Copper: Beryllium Copper is used in a lot of different fields and industries. This is mostly because it is strong, can conduct electricity and heat, and doesn’t spark or attract magnets.
Types of Beryllium Copper Alloys: Beryllium-copper alloys are split into two groups based on what they are made of and what physical properties they have. Pieces of beryllium copper can be forged or cast, and they can be sold as plates, rods, strips, and wires, among other things.
by kalpataru | Jan 9, 2023 | Blog
When dealing with sheet metal the term used is the gauge which means the thickness of it. The gauge system is a standardized method of measuring and categorizing sheet metal thickness with the highest gauge number corresponding to a thinner sheet. An example of this is that 18 8 gauge steel is heavier than 22 gauge steel.
The sheet metal gauge system requires understanding in the fabrication, manufacturing and design. The thickness of 18 gauge in mm gives an accurate reference when calculating between various units of measurement, so that no mistakes are made in the production of instruments.
Our Sheet Metal Gauge Chart makes this process simpler because it shows the numbers of the gauge together with numbers of their corresponding thickness in both inches and millimeters. This can enable the engineers, fabricators and designers to interpret and choose suitable metal thickness used by them in a short time. The Browne & Sharpe system of measurement, which gave rise to the gauge (Ga.) unit, was first applied to medicine and jewelry, as the measurement of wire or tube diameter. It has come to signify the thickness of sheets in metalworking. Importantly, no direct equation exists to change between the gauge and the inches because the values of the thickness can be different based on the type of non-ferrous metal and steel sheets are characterized by different gauge-to-thickness relations.
Knowing the sheet metal gauge chart, you are able to determine the material thickness correctly, profile the fabrication processes and achieve cost-effective and quality results in construction, manufacturing and metal fabrication industries.
How Are Sheet Metal Gauges Used?
The gauges of sheet metals play a crucial role in the measurement of thickness of metal sheets that are utilized in different fabrication works. The gauge system offers a simple reference scale that is applicable to determine the thickness of metal in a short period of time instead of using a standard measurement or imperial system. Nevertheless, gauge values do not have a direct relationship with millimeter or inch measurements and therefore a gauge conversion chart is required to obtain precise readings.
Every kind of metal, e.g. steel, aluminum, brass, or copper, is subject to its gauge scale, i.e. two sheets of the same gauge number may vary in thickness. An example is 18 gauge steel is about 1.21 mm and 18 gauge aluminum is a little bit smaller. This variation necessitated the need to check the precise size during manufacture or design.
Gauge charts are essential material selection tools in such industries as automotive, aerospace, construction, manufacturing, and others. They guarantee that the metal has the right thickness to meet the mechanical strength, formability and weight requirements needed.
Knowledge about sheet metal gauges guides engineers and fabricators in selecting materials that would balance both strength and flexibility along with affordability. Though less value of the gauge describes the thickness and strength of the sheet intended to use, higher values of the gauge depict the thinness of the metals intended to use in light tasks or decorations.
With the effective application of gauge charts, professionals would be able to maximize their designs, make them compatible with production tools and keep all the stages of metal fabrication precise.
History and Importance of Sheet Metal Gauge
The concept of sheet metal gauge has deep historical origins going back to the British wire industry where it was initially used to measure the diameter of drawn wire. Over time this measurement system was selected to indicate the thickness of metal sheets as well. Different from metric units where thickness is calculated in millimeters the gauge in sheet metal is an irregular scale meaning a lower gauge number means a thicker sheet and a higher number shows a thinner sheet.
The gauge of metal sheet you select can significantly affect your project’s strength, longevity and application. For instance a 10-gauge sheet is generally utilized for constructional parts, while a 22-gauge sheet is perfect for lighter operations like ductwork. Actually any sheet metal above 6 mm thick is no longer called sheet—it’s classified as plate.
To simplify selection, fabricators often refer to a sheet metal gauge chart or sheet gauge chart, which lists the corresponding thickness in inches or millimeters for each gauge number. This is specifically useful for ensuring compatibility with design requirements and manufacturing standards.
Despite the global push towards the metric system, gauge measurement remains widely used in the sheet metal industry, helping craftsmen, engineers, and manufacturers maintain consistency and precision in their work.
Sheet Metal Gauge Charts
In Kalpataru Piping Solutions, we are distributors of high end sheet metals of diverse thickness and sizes to meet all the needs of a project. Produced using material like stainless steel sheets, copper sheets, brass sheets and aluminium sheets among others. In order to choose the appropriate thickness to use in your application, check our sheet metal gauge charts to make the correct conversions.
Mild Steel Gauge Chart*
|
|
Gauge
Number
|
Inches
|
MM
|
|
7
|
.1793
|
4.554
|
|
8
|
.1644
|
4.175
|
|
9
|
.1495
|
3.797
|
|
10
|
.1345
|
3.416
|
|
11
|
.1196
|
3.038
|
|
12
|
.1046
|
2.656
|
|
14
|
.0747
|
1.897
|
|
16
|
.0598
|
1.518
|
|
18
|
.0478
|
1.214
|
|
20
|
.0359
|
.911
|
|
22
|
.0299
|
.759
|
|
24
|
.0239
|
.607
|
|
26
|
.0179
|
.454
|
|
28
|
.0149
|
.378
|
Aluminum Gauge Chart*
|
|
Gauge
Number
|
Inches
|
MM
|
|
7
|
.1443
|
3.665
|
|
8
|
.1285
|
3.264
|
|
9
|
.1144
|
2.906
|
|
10
|
.1019
|
2.588
|
|
11
|
.09074
|
2.305
|
|
12
|
.08081
|
2.053
|
|
14
|
.06408
|
1.628
|
|
16
|
.05082
|
1.291
|
|
18
|
.04030
|
1.024
|
|
20
|
.03196
|
.812
|
|
22
|
.02535
|
.644
|
|
24
|
.02010
|
.511
|
|
26
|
.01594
|
.405
|
|
28
|
.01264
|
.321
|
|
30
|
.01003
|
.255
|
|
Gauge
Number
|
Inches
|
MM
|
|
8
|
.17187
|
4.365
|
|
9
|
.15625
|
3.968
|
|
10
|
.14062
|
3.571
|
|
11
|
.125
|
3.175
|
|
12
|
.10937
|
2.778
|
|
14
|
.07812
|
1.984
|
|
16
|
.0625
|
1.587
|
|
18
|
.050
|
1.270
|
|
20
|
.0375
|
.9525
|
|
22
|
.03125
|
.7937
|
|
24
|
.025
|
.635
|
|
26
|
.01875
|
.476
|
|
28
|
.01562
|
.396
|
|
30
|
.0125
|
.3175
|
Galvanized Steel Gauge Chart*
|
|
Gauge
Number
|
Inches
|
MM
|
|
8
|
.1681
|
4.269
|
|
9
|
.1532
|
3.891
|
|
10
|
.1382
|
3.510
|
|
11
|
.1233
|
3.1318
|
|
12
|
.1084
|
2.753
|
|
14
|
.0785
|
1.9939
|
|
16
|
.0635
|
1.6129
|
|
18
|
.0516
|
1.310
|
|
20
|
.0396
|
1.005
|
|
22
|
.0336
|
.853
|
|
24
|
.0276
|
.701
|
|
26
|
.0217
|
.551
|
|
28
|
.0187
|
.474
|
|
30
|
.0157
|
.398
|
Brass Gauge Chart*
|
|
Gauge
Number
|
Inches
|
MM
|
|
7
|
.1443
|
3.665
|
|
8
|
.1285
|
3.264
|
|
9
|
.1144
|
2.906
|
|
10
|
.1019
|
2.588
|
|
11
|
.09074
|
2.305
|
|
12
|
.08081
|
2.053
|
|
14
|
.06408
|
1.628
|
|
16
|
.05082
|
1.291
|
|
18
|
.04030
|
1.024
|
|
20
|
.03196
|
.812
|
|
22
|
.02535
|
.644
|
|
24
|
.02010
|
.511
|
|
26
|
.01594
|
.405
|
|
28
|
.01264
|
.321
|
|
30
|
.01003
|
.255
|
Copper Gauge Chart*
|
|
Gauge
Number
|
Inches
|
MM
|
|
7
|
.180
|
4.572
|
|
8
|
.165
|
4.191
|
|
9
|
.148
|
3.759
|
|
10
|
.134
|
3.404
|
|
11
|
.120
|
3.048
|
|
12
|
.109
|
2.769
|
|
14
|
.083
|
2.108
|
|
16
|
.065
|
1.651
|
|
18
|
.049
|
1.245
|
|
20
|
.035
|
.889
|
|
22
|
.028
|
.711
|
|
24
|
.022
|
.559
|
|
26
|
.018
|
.457
|
|
28
|
.014
|
.356
|
|
30
|
.012
|
.305
|
Common Types of Sheet Metal
Selecting the right sheet metal type is the first in finding the correct gauge and guaranteeing project success. Let’s explore at common sheet metals in industry, architecture and production:
Steel: An iron-carbon alloy essential for strength, endurance and cost effectiveness. Perfect for structures, vehicles, tools, tools.
Zinc-plated steel: Zinc-coated for corrosion protection. Perfect for outdoor/moist environments (agriculture, solar mounts, auto parts, construction frames).
Stainless Steel: Contains at least 10.5% chromium for excellent corrosion resistance. Used in sanitary, medical, architectural, food-grade applications.
Aluminum: Lightweight, corrosion-resistant. Common in aerospace, automotive, facades, food packaging.
Brass: Copper-zinc alloy, known for decorative finish and acoustic properties. Used in instruments, architecture, plumbing, electrical connectors.
Copper: Highly conductive, malleable. Used in electrical systems, plumbing, roofing, industrial machinery.
Sheet Metal Gauge Size Chart
Knowing a sheet metal gauge size chart is necessary for identifying thickness, which directly affects strength, weight and usability. Gauge numbers are standardized to help accurately measure and choose materials. Remember, different metals use different gauge systems, so knowing the right sheet metal gauge chart of sizes for your material is crucial.
Below is a guide to common sheet metal gauge charts stainless steel, aluminum etc offering thickness in inches/mm and weight per unit area.
|
Thickness
|
Weight Per Area
|
|
|
Gauge
|
in
|
mm
|
lb/ft²
|
kg/m²
|
|
3
|
0.2391
|
6.073
|
9.754
|
47.624
|
|
4
|
0.2242
|
5.695
|
9.146
|
44.656
|
|
5
|
0.2092
|
5.314
|
8.534
|
41.668
|
|
6
|
0.1943
|
4.935
|
7.927
|
38.701
|
|
7
|
0.1793
|
4.554
|
7.315
|
35.713
|
|
8
|
0.1644
|
4.176
|
6.707
|
32.745
|
|
9
|
0.1495
|
3.797
|
6.099
|
29.777
|
|
10
|
0.1345
|
3.416
|
5.487
|
26.790
|
|
11
|
0.1196
|
3.038
|
4.879
|
23.822
|
|
12
|
0.1046
|
2.657
|
4.267
|
20.834
|
|
13
|
0.0897
|
2.278
|
3.659
|
17.866
|
|
14
|
0.0747
|
1.897
|
3.047
|
14.879
|
|
15
|
0.0673
|
1.709
|
2.746
|
13.405
|
|
16
|
0.0598
|
1.519
|
2.440
|
11.911
|
|
17
|
0.0538
|
1.367
|
2.195
|
10.716
|
|
18
|
0.0478
|
1.214
|
1.950
|
9.521
|
|
19
|
0.0418
|
1.062
|
1.705
|
8.326
|
|
20
|
0.0359
|
0.912
|
1.465
|
7.151
|
|
21
|
0.0329
|
0.836
|
1.342
|
6.553
|
|
22
|
0.0299
|
0.759
|
1.220
|
5.955
|
|
23
|
0.0269
|
0.683
|
1.097
|
5.358
|
|
24
|
0.0239
|
0.607
|
0.975
|
4.760
|
|
25
|
0.0209
|
0.531
|
0.853
|
4.163
|
|
26
|
0.0179
|
0.455
|
0.730
|
3.565
|
|
27
|
0.0164
|
0.417
|
0.669
|
3.267
|
|
28
|
0.0149
|
0.378
|
0.608
|
2.968
|
|
29
|
0.0135
|
0.343
|
0.551
|
2.689
|
|
30
|
0.0120
|
0.305
|
0.490
|
2.390
|
|
31
|
0.0105
|
0.267
|
0.428
|
2.091
|
|
32
|
0.0097
|
0.246
|
0.396
|
1.932
|
|
33
|
0.0090
|
0.229
|
0.367
|
1.793
|
|
34
|
0.0082
|
0.208
|
0.335
|
1.633
|
|
35
|
0.0075
|
0.191
|
0.306
|
1.494
|
|
36
|
0.0067
|
0.170
|
0.273
|
1.335
|
|
37
|
0.0064
|
0.163
|
0.261
|
1.275
|
|
38
|
0.0060
|
0.152
|
0.245
|
1.195
|
Gauge Sheet Metal Thickness Chart
In fabrication, thickness is specified by precise measurement (mm/inches) or the gauge system. Sheet metal gauge thickness refers to this measurement, following a non-linear scale – thickness doesn’t increase linearly as gauge numbers rise.
Sheet steel gauge thickness is usually in inches or millimeters, depending on material and standards. The system evolved by relating thickness to weight per square foot, aiding standardization in metalworking.
Sheet Metal Gauge to mm
|
Gauge Number
|
Standard Steel (mm)
|
Galvanized Steel (mm)
|
Stainless Steel (mm)
|
Aluminum, Brass, Copper (mm)
|
|
3
|
6.073
|
|
|
5.827
|
|
4
|
5.095
|
|
5.954
|
5.189
|
|
5
|
5.314
|
|
5.555
|
4.62
|
|
6
|
4.935
|
|
5.159
|
4.115
|
|
7
|
4.554
|
|
4.763
|
3.665
|
|
8
|
4.176
|
|
4.191
|
3.264
|
|
9
|
3.797
|
3.891
|
3.967
|
2.906
|
|
10
|
3.416
|
3.51
|
3.571
|
2.588
|
|
11
|
3.038
|
3.132
|
3.175
|
2.304
|
|
12
|
2.657
|
2.753
|
2.779
|
2.052
|
|
13
|
2.278
|
2.372
|
2.38
|
1.829
|
|
14
|
1.897
|
1.994
|
1.984
|
1.628
|
|
15
|
1.709
|
1.803
|
1.786
|
1.45
|
|
16
|
1.519
|
1.613
|
1.588
|
1.29
|
|
17
|
1.367
|
1.461
|
1.427
|
1.151
|
|
18
|
1.214
|
1.311
|
1.27
|
1.024
|
|
19
|
1.062
|
1.158
|
1.11
|
0.912
|
|
20
|
0.912
|
1.006
|
0.953
|
0.813
|
|
21
|
0.836
|
0.93
|
0.874
|
0.724
|
|
22
|
0.759
|
0.853
|
0.792
|
0.643
|
|
23
|
0.683
|
0.777
|
0.714
|
0.574
|
|
24
|
0.607
|
0.701
|
0.635
|
0.536
|
|
25
|
0.531
|
0.627
|
0.556
|
0.455
|
|
26
|
0.455
|
0.551
|
0.475
|
0.404
|
|
27
|
0.417
|
0.513
|
0.437
|
0.361
|
|
28
|
0.378
|
0.475
|
0.396
|
0.32
|
|
29
|
0.343
|
0.437
|
0.358
|
0.287
|
|
30
|
0.305
|
0.399
|
0.318
|
0.254
|
|
31
|
0.267
|
0.361
|
0.277
|
0.226
|
|
32
|
0.246
|
0.34
|
0.259
|
0.203
|
|
33
|
0.229
|
|
0.239
|
0.18
|
|
34
|
0.208
|
|
0.218
|
0.16
|
|
35
|
0.191
|
|
0.198
|
0.142
|
|
36
|
0.17
|
|
0.178
|
0.127
|
|
37
|
0.163
|
|
0.168
|
0.113
|
|
38
|
0.17
|
|
0.157
|
0.101
|
Gauge Sheet Metal to Inches
|
Gauge Number
|
Standard Steel (in)
|
Galvanized Steel (in)
|
Stainless Steel (in)
|
Aluminum, Brass, Copper (in)
|
|
3
|
0.2391
|
|
|
0.2294
|
|
4
|
0.2242
|
|
0.2344
|
0.2043
|
|
5
|
0.2092
|
|
0.2187
|
0.1819
|
|
6
|
0.1943
|
|
0.2031
|
0.162
|
|
7
|
0.1793
|
|
0.1875
|
0.1443
|
|
8
|
0.1644
|
|
0.165
|
0.1285
|
|
9
|
0.1495
|
0.1532
|
0.1562
|
0.1144
|
|
10
|
0.1345
|
0.1382
|
0.1406
|
0.1019
|
|
11
|
0.1196
|
0.1233
|
0.125
|
0.0907
|
|
12
|
0.1046
|
0.1084
|
0.1094
|
0.0808
|
|
13
|
0.0897
|
0.0934
|
0.0937
|
0.072
|
|
14
|
0.0747
|
0.0785
|
0.0781
|
0.0641
|
|
15
|
0.0673
|
0.071
|
0.0703
|
0.0571
|
|
16
|
0.0598
|
0.0635
|
0.0625
|
0.0508
|
|
17
|
0.0538
|
0.0575
|
0.0562
|
0.0453
|
|
18
|
0.0478
|
0.0516
|
0.05
|
0.0403
|
|
19
|
0.0418
|
0.0456
|
0.0437
|
0.0359
|
|
20
|
0.0359
|
0.0396
|
0.0375
|
0.032
|
|
21
|
0.0329
|
0.0366
|
0.0344
|
0.0285
|
|
22
|
0.0299
|
0.0336
|
0.0312
|
0.0253
|
|
23
|
0.0269
|
0.0306
|
0.0281
|
0.0226
|
|
24
|
0.0239
|
0.0276
|
0.025
|
0.0211
|
|
25
|
0.0209
|
0.0247
|
0.0219
|
0.0179
|
|
26
|
0.0179
|
0.0217
|
0.0187
|
0.0159
|
|
27
|
0.0164
|
0.0202
|
0.0172
|
0.0142
|
|
28
|
0.0149
|
0.0187
|
0.0156
|
0.0126
|
|
29
|
0.0135
|
0.0172
|
0.0141
|
0.0113
|
|
30
|
0.012
|
0.0157
|
0.0125
|
0.01
|
|
31
|
0.0105
|
0.0142
|
0.0109
|
0.0089
|
|
32
|
0.0097
|
0.0134
|
0.0102
|
0.008
|
|
33
|
0.009
|
|
0.0094
|
0.0071
|
|
34
|
0.0082
|
|
0.0086
|
0.0063
|
|
35
|
0.0075
|
|
0.0078
|
0.0056
|
|
36
|
0.0067
|
|
0.007
|
0.005
|
|
37
|
0.0064
|
|
0.0066
|
0.00445
|
|
38
|
0.0067
|
|
0.0062
|
0.00396
|
Understanding Sheet Metal Gauge Conversion
Working with sheet metal demands understanding different measurement systems, especially with international standards. Sheet metal gauge conversion, particularly SWG (Standard Wire Gauge) to metric/imperial, is key. A sheet metal gauge conversion chart helps accurately determine thickness, ensuring right material selection.
Sheet Metal Gauge Conversion Chart
A sheet metal gauge conversion chart is invaluable, showing equivalent thicknesses in different units. It helps fabricators/engineers quickly convert gauge to mm/inches, ensuring accuracy.
|
SWG
|
Thickness (mm)
|
Thickness (inches)
|
|
7
|
4.6213 mm
|
0.1819 inches
|
|
10
|
3.2510 mm
|
0.1276 inches
|
|
12
|
2.6410 mm
|
0.1040 inches
|
|
14
|
2.0320 mm
|
0.0799 inches
|
|
16
|
1.6268 mm
|
0.0641 inches
|
|
18
|
1.2192 mm
|
0.0479 inches
|
|
20
|
0.9144 mm
|
0.0360 inches
|
|
22
|
0.7112 mm
|
0.0280 inches
|
|
24
|
0.5590 mm
|
0.0220 inches
|
|
26
|
0.4572 mm
|
0.0180 inches
|
|
28
|
0.3760 mm
|
0.0148 inches
|
|
30
|
0.3150 mm
|
0.0124 inches
|
|
32
|
0.2743 mm
|
0.0108 inches
|
Conclusion
The sheet metal gauge system has been used in the metal industry for many years and originally came from the British wire trade, where it helped measure wire thickness. Over time, this system was adapted to define the thickness of sheet metals as well.
Even with the rise of metric and imperial measurement systems, gauges are still commonly used because they provide an easy and familiar way to describe metal thickness. This makes communication simple across industries that work with different metals.
A gauge conversion chart is used to match gauge numbers with actual thickness values in millimeters or inches. Since gauge numbers don’t follow a direct mathematical formula, these charts help professionals ensure the right dimensions for materials like steel, aluminum, brass, and copper.
Today, the gauge system remains important in manufacturing, fabrication, and construction because it combines tradition with practicality. It allows engineers, fabricators, and builders to choose the right material thickness for strength, cost, and performance—keeping production accurate and consistent across various projects.
Frequently Asked Questions About Sheet Metal Gauge Chart
What is 16 gauge thickness in mm?
Standard Steel: 16 Gauge = 1.519 mm
Galvanized Steel: 16 Gauge = 1.613 mm
Stainless Steel: 16 Gauge = 1.588 mm
Aluminum, Brass, Copper: 16 Gauge = 1.29 mm
What is the standard gauge for sheet metal?
Standard range is 30 thinnest to 7 thickest but actual thickness depends on metal type. Some metals go up to 36 or down to 3.
What is SWG in sheet metal?
SWG means Standard Wire Gauge is a historical system used to measure the thickness of sheet metal and wire. In this system, higher SWG numbers correspond to thinner sheets.
How to convert sheet metal gauge to mm?
To convert sheet metal gauge to millimeters, you can use a sheet metal gauge conversion chart or the following general formulas:
For SWG to mm:
Thickness (mm) = 0.127 * (32 – SWG)
For SWG to inches:
Thickness (inches) = 0.005 * (32 – SWG)
Using a conversion chart or formula ensures accurate measurement when converting gauges across different standards like SWG to metric or imperial systems.
What is sheet metal gauge thickness?
It indicates the standard thickness of sheet metal material. As the gauge number increases, the material thickness decreases. For steel, often based on 41.82 lbs/sq ft/inch thickness.
What is Sheet Metal Gauge Conversion?
Sheet metal gauge conversion refers to converting thickness measurements of sheet metal between different systems, like Standard Wire Gauge in millimeters (mm) & inches.
Where to use Sheet Metal Gauge Conversion?
Using a sheet metal gauge conversion chart allows you to easily switch between systems, ensuring that materials conform to the required thickness specifications, reducing errors. It’s essential for making informed decisions about material selection and improving workflow efficiency. Accurate conversion helps avoid costly fabrication mistakes and ensures that parts will perform as intended.
What is 18 gauge in mm thickness?
18 gauge is generally 1.214 mm (0.0478 inches), common for 18 gauge steel.
by kalpataru | Jan 9, 2023 | Blog
Beryllium Copper, a metal with multiple aliases like BeCu, Copper Beryllium, Beryllium Bronze, Alloy 172, and Spring Copper, has gained popularity across various industries, thanks to its exceptional attributes. Its strength, electrical and thermal conductivity, non-sparking, and non-magnetic properties make it a favoured choice in numerous applications.
COMMON BERYLLIUM COPPER PRODUCTS
The versatility of Beryllium Copper finds its way into electronic connectors, telecommunications equipment, computer components, and small springs. Its outstanding qualities include high electrical and thermal conductivity, ductility allowing complex shapes, excellent corrosion resistance, and superb metalworking and machining abilities.
BERYLLIUM COPPER AND DANGEROUS ENVIRONMENTS
In hazardous settings like oil rigs and coal mines, where a single spark could spell disaster, Beryllium Copper becomes a life-saving option. Its non-sparking and non-magnetic nature makes tools like wrenches, screwdrivers, and hammers made from BeCu a reliable choice for use in such environments.
BERYLLIUM COPPER AND SPECIALIZED TOOLS
Copper Beryllium also lends its charm to the world of music, being a preferred material for crafting professional percussion instruments like tambourines and triangles. The consistent tone and resonance of these instruments make Copper Beryllium a sought-after material for high-end musical productions.
BERYLLIUM COPPER AND VARIOUS TEMPERATURES
Beryllium Copper maintains its strength and thermal conductivity even at low temperatures, making it ideal for cryogenic equipment. On the other hand, in high-performance four-stroke engines with coated titanium valves, BeCu is used in valve seats and guides due to its ability to dissipate heat faster than powdered steel or iron.
CHOOSE KALPATARU PIPING SOLUTIONS FOR YOUR BERYLLIUM COPPER NEEDS
As you can see, the properties of Beryllium Copper make it a great choice for a wide range of industries and uses. Kalpataru Piping Solutions sells Beryllium Copper in three different hardnesses, from 0.003 to 0.060: annealed, quarter hard, and half hard. Only a small number of full hard and mill-hardened tempers are kept in stock.
We offer a lot of extra services to make the production process easier for our customers. For our Beryllium Copper products, we also offer precision slitting from.250″ to 12,000″, edge rolling, cut-to-length, and de-burring services.
Read More :
5 UNIQUE PROPERTIES OF BERYLLIUM COPPER: Beryllium copper, sometimes referred to as spring copper or beryllium bronze, is one of the greatest-strength copper-based alloys now on the market. Commercial grades of beryllium copper range in beryllium content from 0.4 to 2.0 percent.
Differences Between Regular Copper and Beryllium Copper: Beryllium copper is a copper alloy containing less than 3% beryllium and occasionally additional elements. Beryllium copper combines great strength with non-magnetic characteristics and no sparking.
