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Difference Between Inconel and Stainless Steel

Inconel Vs Stainless Steel

What is Inconel?, what is Inconel material?, what is Inconel metal?, what is Inconel metal used for?, what is Inconel made of?

In the realm of metallic wonders, Inconel emerges as a masterpiece crafted by the ingenious minds at Kalpataru Piping Solutions. Its essence lies in a harmonious fusion of nickel, chromium, and molybdenum, resulting in a symphony of strength and resilience. Blessed with an inherent resistance to the relentless forces of corrosion and pitting, Inconel manifests itself in various splendid alloys, each with its own distinct character.

Meanwhile, stainless steel, an epitome of metallurgical elegance, weaves its tale with a captivating blend of carbon, manganese, phosphorus, sulfur, silicone, chromium, and nickel. A symphony of elements that ensures its integrity and endurance. Both Inconel and stainless steel embrace the wisdom of a numbering system, unveiling a plethora of alloys and strengths to meet diverse demands.

While their destinies converge in the realm of silver finishes, their journeys diverge when it comes to texture. The artistic strokes of craftsmanship give rise to two captivating worlds: one graced with a subtle matte surface, exuding understated elegance, and the other, a resplendent expanse reflecting a luminous shine. Inconel and stainless steel, two distinct entities sharing a common realm, yet offering a distinctive aesthetic experience to those who embrace their captivating presence.

Cost or Price of Inconel & stainless steel

When it comes to the realm of cost and price, a clear distinction arises between the noble contenders, Inconel and Stainless Steel. Standing tall on the scale of expenses, Inconel takes the lead, demanding a higher investment compared to its stainless steel counterpart. As an illustration, let us consider the realm of fast cars, where the exhaust valves crafted from Inconel carry a price tag that surpasses stainless steel by a handsome $150, as documented at the time of publication.

The distinguished supplier of Inconel, Kalpataru Piping Solutions, unveils a splendid array of offerings, catering to the discerning needs of customers. This remarkable alloy is made available in an assortment of forms, including flat sheets, pipes, tubes, flat bars, wires, and an array of captivating shapes, ensuring a comprehensive solution for diverse applications.

Within this exquisite realm, Special Metals emerges as a maestro, orchestrating the production of 25 distinctive qualities of Inconel. Each product within this magnificent lineup possesses its own unique characteristics, bestowing upon it a distinct personality and performance attributes. Consequently, the diversity in properties among these Inconel variants also translates into a variation in pricing, ensuring a range of options to suit the specific requirements and budgets of customers.

Applications of Inconel

Inconel alloys find wide-ranging applications across diverse industries. Their heat and corrosion resistance make them ideal for gas turbine blades, exhaust systems, and combustion chambers in aerospace applications. In the oil and gas industry, Inconel is used for wellhead components, downhole tools, and offshore drilling equipment due to its ability to withstand harsh conditions. It also finds applications in chemical processing, nuclear power plants, and marine environments.

Advantages of Inconel

The advantages of Inconel go beyond its exceptional strength. These alloys exhibit excellent oxidation resistance, making them suitable for high-temperature applications. Inconel also offers superior resistance to corrosion, even in aggressive environments such as seawater and acidic solutions. Furthermore, its exceptional mechanical properties ensure dimensional stability and structural integrity under extreme stress and strain.

Inconel Composition

InconelElement (% by mass)

Inconel alloys

Alloys of inconel include:

  • Inconel 625: Acid resistant, good weldability. The LCF version is typically used in bellows.
  • Inconel 690: Low cobalt content for nuclear applications, and low resistivity
  • Inconel 713C: Precipitation hardenable nickel-chromium base cast alloy
  • Inconel 718: Gamma double prime strengthened with good weldability
  • Inconel 751: Increased aluminium content for improved rupture strength in the 1600 °F range
  • Inconel 792: Increased aluminium content for improved high temperature corrosion properties, used especially in gas turbines
  • Inconel 939: Gamma prime strengthened to increase weldability

Inconel Equivalent Grades

Inconel 6002.4816N06600МНЖМц 28-2,5-1,5NC15FE11MNCF 600NA 13NiCr15FeЭИ868
Inconel 6012.4851N06601XH60BTNC23FeANCF 601NA 49NiCr23FeЭИ868
Inconel 6172.4663N06617      
Inconel 6252.4856N06625ХН75МБТЮNC22DNB4MNCF 625NA 21NiCr22Mo9NbЭИ602
Inconel 6902.4642N06690      
Inconel 7182.4668N07718      
Inconel 725N07725      
Inconel X-7502.4669N07750      

Inconel Melting Point, Density and Tensile Strength

 DensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
6008.47 g/cm31413 °C (2580 °F)Psi – 95,000 , MPa – 655Psi – 45,000 , MPa – 31040 %
6018.1 g/cm31411 °C (2571 °F)Psi – 80,000 , MPa – 550Psi – 30,000 , MPa – 20530 %
6178.3g/cm³1363°C≥ 485 MPa≥ 275 MPa25 %
6258.4 g/cm31350 °C (2460 °F)Psi – 135,000 , MPa – 930Psi – 75,000 , MPa – 51742.5 %
6908.3g/cm³1363°C≥ 485 MPa≥ 275 MPa25 %
7188.2 g/cm31350 °C (2460 °F)Psi – 135,000 , MPa – 930Psi – 70,000 , MPa – 48245 %
7258.31 g/cm31271°C-1343 °C1137 MPa827 MPa20 %
X-7508.28 g/cm31430°C1267 MPa868 MPa25 %

Stainless Steel

what is stainless steel?, what is stainless steel made of?, what is 304 stainless steel?, what is austenitic stainless steel?, what is stainless steel used for?, what is duplex stainless steel?

Stainless steel, on the other hand, is a versatile alloy primarily consisting of iron, chromium, and other elements like nickel and molybdenum. Stainless steel alloys are prized for their remarkable corrosion resistance and mechanical properties. They find extensive usage in industries such as construction, automotive, and medical equipment manufacturing.

In the realm of grade 304 Stainless Steel, commendable resistance to oxidation damage awaits, standing strong against the scorching temperatures of up to 1,697°F (952°C). However, as the thermometer climbs to 2,000°F, a noticeable decline in both corrosion resistance and tensile strength becomes evident, making this alloy vulnerable to the unforgiving forces of heat.

Moving forward, we encounter the illustrious grade 316 Stainless Steel, renowned for its enhanced resistance to chemical corrosion at ambient temperatures when compared to its grade 304 counterpart. However, when it comes to withstanding high temperatures, 316 SS falls slightly short, exhibiting a lower threshold than 304 SS. At 2,000°F, this alloy experiences a further reduction in tensile strength, showcasing its susceptibility to relentless heat.

Our expedition leads us to the remarkable grade 330 Stainless Steel, meticulously crafted to combat the formidable challenges posed by scaling and oxidation at elevated temperatures. This alloy, fortified by a generous infusion of chromium and nickel, emerges as a stalwart guardian, defying the trials of prolonged exposure to temperatures reaching up to 1,900°F (1037°C). Although some may suggest its utilization at 2,000°F, it is often prudent to turn to the distinguished Inconel alloy for superior performance in such extreme conditions.

As we conclude our voyage through the grades of stainless steel, we witness the intricate dance between their compositions and their ability to endure the fiery caress of heat. It is through this understanding that we can make informed decisions about the ideal alloy to employ in each unique thermal encounter.

Applications of Stainless Steel

Stainless steel is widely used in various industries, thanks to its remarkable characteristics. In the construction sector, it finds applications in architectural structures, roofing, and bridges due to its strength and durability. In the medical field, stainless steel is utilized for surgical instruments, implants, and medical equipment due to its biocompatibility and ease of sterilization. Additionally, it is extensively employed in the food and beverage industry, transportation, and automotive manufacturing.

Advantages of Stainless Steel

Stainless steel offers numerous advantages that contribute to its popularity. It boasts exceptional corrosion resistance, ensuring longevity and minimal maintenance requirements. Stainless steel is also heat resistant, making it suitable for high-temperature applications. Furthermore, its hygienic properties, aesthetic appeal, and recyclability make it an environmentally friendly choice.

Stainless Steel Equivalent Grades

SS 3041.4301S30400SUS 304304S3108Х18Н10Z7CN18‐09X5CrNi18-10
SS 304L1.4306/1.4307S30403SUS 304L304S1103Х18Н11Z3CN18‐10X2CrNi18-9 / X2CrNi19-11
SS 3101.4845S31000
SS 310S1.4845S31008SUS310S20Ch23N18X8CrNi25-21
SS 3161.4401 / 1.4436S31600SUS 316316S31 / 316S33Z7CND17‐11‐02X5CrNiMo17-12-2 / X3CrNiMo17-13-3
SS 316L1.4404 / 1.4435S31603SUS 316L316S11 / 316S1303Ch17N14M3 / 03Ch17N14M2Z3CND17‐11‐02 / Z3CND18‐14‐032X2CrNiMo17-12-2 / X2CrNiMo18-14-3
SS 3171.4449S31700SUS 317X6CrNiMo19-13-4
SS 317L1.4438S31703SUS 317LX2CrNiMo18154
SS 3211.4541S32100SUS 32108Ch18N10TX6CrNiTi18-10
SS 321H1.4541S32109SUS 321HX6CrNiTi18-10
SS 3471.4550S34700SUS 34708Ch18N12BX6CrNiNb18-10
SS 347H1.4961S34709SUS 347HX7CrNiNb18-10
SS 4461.4762S44600

Stainless Steel Composition

SS 3040.08 max2 max0.75 max0.040 max0.030 max18 – 208 – 11
SS 304L0.03 max2 max0.75 max0.045 max0.030 max18 – 208 – 120.10 max
SS 3100.25 max2 max1.50 max0.045 max0.030 max24 – 2619 – 22
SS 310S0.08 max2 max1.50 max0.045 max0.030 max24 – 2619 – 22
SS 3160.08 max2 max0.75 max0.045 max0.030 max16 – 182 – 310 – 140.1 max
SS 316L0.3 max2 max0.75 max0.045 max0.030 max16 – 182 – 310 – 140.10 max
SS 317008 max2 max1 max0.040 max0.03 max18 – 203 – 411 – 140.10 max
SS 317L0.035 max2 max1 max0.040 max0.03 max18 – 203 – 411 – 15
SS 3210.08 max2 max0.75 max0.045 max0.03 max17 – 195xC min0.60% max9 – 120.10 max
SS 321H0.04 – 0.10 max2 max0.75 max0.045 max0.03 max17 – 194xC min0.60% max9 – 120.10 max
SS 3470.08 max2 max0.75 max0.045 max0.03 max17 – 2010xC min1.00 max9 – 1362.74
SS 347H0.04 – 0.102 max0.75 max0.045 max0.03 max17 – 208xC min1.00 max9 – 1362.74
SS 4460.2 max1.5 max0.75 max0.040 max0.03 max23 – 300.10 – 0.250.50 maxBalance

Stainless Steel Melting Point, Density and Tensile Strength

GradeDensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
SS 3048.0 g/cm31400 °C (2550 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20535 %
SS 304L8.0 g/cm31400 °C (2550 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20540 %
SS 3108.0 g/cm31454 °C (2650 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20535 %
SS 310S8.0 g/cm31454 °C (2650 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20535 %
SS 3168.0 g/cm31454 °C (2650 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20535 %
SS 316L8.0 g/cm31454 °C (2650 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20540 %
SS 3178.0 g/cm31454 °C (2650 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20535 %
SS 317L8.0 g/cm31454 °C (2650 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20535 %
SS 3218.0 g/cm31454 °C (2650 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20535 %
SS 321H8.0 g/cm31454 °C (2650 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20535 %
SS 3478.0 g/cm31454 °C (2650 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20540 %
SS 347H8.0 g/cm31454 °C (2650 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20540 %
SS 4467.5 g/cm31510 °C (2750 °F)Psi – 75,000 , MPa – 485Psi – 40,000 , MPa – 27520 %

So, is Inconel Stronger Than Steel?

Inconel vs stainless steel strength

Here’s a quick comparison of Inconel vs stainless steel to help answer the question of which is stronger:

AlloyInconel 625®304 Stainless Steel
Tensile Strength103-160 ksi (714-1,103 MPa)73.2 ksi (505 MPa)
Melting Point2,350-2,460°F (1,290-1,350°C)2,550-2,650˚F (1,400-1,455˚C)
Operating Temperature1,800°F (982°C)1,697°F (952°C)
Corrosion ResistanceResistant to oxalic acid and high-temperature oxidationExcellent all-around resistance—though it’s vulnerable to chlorides and high-temp oxidation

Within the realm of metallurgical prowess, the distinguished Inconel 625 emerges as a formidable contender, surpassing grade 304 stainless steel in the domain of tensile strength. What sets Inconel 625 apart is not just its initial strength, but its remarkable ability to retain that strength even when subjected to elevated operating temperatures.

While it is true that the melting point of this particular variant of Inconel is lower compared to 304 stainless steel, its superiority shines through when it comes to operating temperature limits. Inconel, with its inherent strength, outshines stainless steel in high-temperature environments, showcasing a remarkable resistance to oxidation and scaling.

However, it is worth noting that stainless steel possesses a unique advantage in its ability to withstand specific chemicals, such as the formidable sulfuric acid. In such scenarios, stainless steel may outperform Inconel, making the choice between these two magnificent metal alloys contingent upon the specific application at hand.

Inconel alloys find their true calling in heat treating applications and various processes demanding unwavering performance in high-temperature conditions. On the other hand, stainless steel alloys carve their niche in sterile manufacturing or medical domains, as well as any arena where corrosive substances play a pivotal role.

In the end, the choice between Inconel and stainless steel transcends a simple comparison of strength and resistance—it becomes a meticulous consideration of the unique demands and intricacies of the application that beckons their implementation.

Need help choosing the right metal alloy for your needs? Reach out to the Kalpataru Piping Solutions leading Metal, Copper, Steel Supplier today for more information about Inconel, stainless steel, and other materials. Contact Now.

Inconel vs stainless steel weight

In the realm of materials, the enchanting Inconel alloy gracefully boasts a feather-light weight, setting it apart from its stainless steel counterpart. While the visual allure of stainless steel and Inconel may be strikingly similar, the discernible distinction in weight effortlessly reveals itself.

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