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Monel 400 Round Bars

Monel Alloy 400 Forged Round Bar, ASTM B164 Monel Alloy Bright Bar, Monel DIN 2.4360 Hex Bars, Monel Alloy 400 Forging Round Bar, 400 Monel Alloy Cold Finished Bars Suppliers in India, Alloy 400 Hex Bar supplier in India, ASTM B164 UNS N04400 Rod suppliers in India.

Kalpataru Piping is a leading company that manufactures, exports & supplies Monel Round Bars, offering premium-quality Monel 400 round bars manufactured for high-performance applications & coated with nickel-copper alloy materials. Monel 400 bars are available in round, hex, square, rectangular & flat forms & their diameter can vary between 0.1 mm and 100 mm, depending on type (wires, rod, or bars). They are offered in finishes including black, painted, and bright-polished to improve corrosion resistance. 

Our bars are manufactured to different standards, ASTM B164 / UNS N04400, to provide high resistance to corrosion, high strength, and durability, and would be used in marine, chemical, petrochemical, oil and gas, power generation, and heat exchangers. With excellent resistance to seawater, steam, acids, alkalis, and salt solutions, along with good thermal conductivity and ease of machining and welding, Monel 400 Round Bars from Kalpataru guarantee long-lasting performance in demanding environments. We also have a considerable amount of UNS N04400 Bar Stock, which allows us to satisfy large and small-quantity orders upon request and deliver within a very short period. We have good manufacturing capacity, high quality control, and competitive prices, and that is why we provide good supply and ultimate satisfaction to our customers. 

If you want to purchase this material at the best price of Monel 400 round bars in India, contact our team to receive the most suitable quotes.

Monel 400 Round Bars Introduction

The Monel 400 Round Bars are made by cold working, which leads to the acquisition of a sophisticated microstructure that increases hardness, stiffness, and mechanical strength. Surface finish is also enhanced using cold working, and products such as Monel 400 Bright Bars and Square Bars are rendered to have a lighter texture and better tensile properties.

About 63 % of nickel, 28 % of copper, trace amounts of iron, carbon, manganese, silicon, sulphur and trace lead (max 0.005%) are found in Monel 400 (UNS N04400 / WNR 2.4360 & 2.4361). The composition offers excellent seawater, steam, acid, alkali, salt solutions and caustic environment resistance, and this is why the alloy is suited to marine, chemical and oil and gas industries. Monel 400 bars has a minimum tensile strength of approximately 550 MPa and a yield strength of 450 MPa at a minimum, which increases and goes as high as 760 MPa in cold-worked rods. The alloy is also very strong in ductility, thermal conductivity, alkaline resistance and has a weak level of magnetism at room temperature. The Monel 400 Round Bars are simple to machine, manufacture and weld with the normal industrial processes and are able to be seamlessly integrated in all projects. Their homogenous mix of strength, corrosion resistance and workability has made them a material of choice when one is required to design long-lasting applications that would demand performance and durability.

Monel 400 Round Bars Specification

Find complete specifications for ASTM B164 Monel 400 Round Bars, including steel bright bars and UNS N04400 polished bars available in multiple sizes.

Specification Details
Material Specification ASTM B164 / ASME SB164 Inco 400 Round Bar
Grade B164 UNS N04400 Round Bar
Form Round, Square, Hex (A/F), Bush, Rectangle, Flat, Billet, Ingot, Forging, PSQ Bar, Wire Rod, Wire (Coil Form), Wire-mesh etc.
Size Range 15NB to 150NB
In manufacturing process: Cold drawn / Extruded
Length 100 mm to 3000 mm & Above
Diameter (Size) Metric: M6 to M48
Inches: 1/4’’ to 2’’
Tolerance H8, H9, H10, H11, H12, H13, K9, K10, K11, K12 or as per clients’ requirements
Finish Cold Drawn, Shot Blast & Drawn, 240 Grit Belt Polished, Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish, High Polished
Condition Cold Drawn Polished, Cold Drawn Centreless Ground & Polished, Threading
Surface Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Polished, Hairline

Monel UNS N04400 Round Bars Chemical Composition

Grade Ni Fe C Mn Si Cu Al S
Monel 400 63.0 min 1.0 – 2.5 0.3 max 2.0 max 0.5 max 28.0 – 34.0 0.50 max 0.02 max

Monel Alloy 400 Round Bars Types

Monel 400 round bars come in a huge variety of different designs in hot rolled, cold drawn, annealed, bright, polished, hollow, and flat, triangle, threaded and rectangular round bar to fit in diverse industrial and high-performance requirements.

ASTM B164 Monel 400 Annealed Bar

ASTM B164 Monel 400 Annealed Bar

ASTM B164 UNS N04400 Rectangular Bar

ASTM B164 UNS N04400 Rectangular Bar

Monel 400 Hollow Bar

Monel 400 Hollow Bar

Monel 400 Polished Bar

Monel 400 Polished Bar

Monel 400 Threaded Bar

Monel 400 Threaded Bar

Monel 400 Triangle Bar

Monel 400 Triangle Bar

UNS N04400 Monel Flat Bar Cold Drawn

UNS N04400 Monel Flat Bar Cold Drawn

400 Alloy Round Bar Hot Rolled

400 Alloy Round Bar Hot Rolled

Alloy 400 Bright Bar

Alloy 400 Bright Bar

Monel 400 Round Bar Price

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Mechanical Properties for Alloy 400 Round Bars

Know the strength, hardness, and durability values of Alloy 400 round bars to ensure they meet your application needs.

Element Yield Strength (0.2%Offset) Tensile Strength Elongation Melting Point Density
Monel 400 Psi – 35,000 , MPa – 240 Psi – 80,000 , MPa – 550 40 % 1350 °C (2460 °F) 8.8 g/cm3

Equivalent Table Of Monel Alloy (UNS N04400) 400 Round Bars

Check international grade equivalents for Monel 400 to match global material standards easily.

STANDARD UNS WERKSTOFF NR. AFNOR JIS GOST EN BS
Monel 400 N04400 2.4360 NU-30M NW 4400 МНЖМц 28-2,5-1,5 NiCu30Fe NA 13

Alloy 400 Round Bars Physical Properties

Explore key physical properties like density, melting point, and thermal conductivity for better material selection.

Density@ Room Temp 0.318 lb/in3
Elastic Modulus @ 70ºF
(tension)
26.0 x 106psi
Specific Heat @ 70°F 0.102 Btu/lb/°F
Melting Point 2370°F to 2460°F
Thermal Conductivity @ 70°F 151 Btu

in/h/ft
2
/°F
Electrical Resistivity @ 70°F 0.511 μ
Ω

m

Alloy UNS N04400 Round Bars Size Chart

View the complete size chart to find the right diameter and length available in UNS N04400 round bars.

Metric US Bar ASTM/Canadian Japanese
Bar Size Diam. (mm) Bar Size Diam. (Inch) Bar Size Diam. (mm2) Bar Size Diam. (mm)
28 28 #18 2.250 57 57
25 25 #16 2.000 51 51
20 20 #14 1.750 44 44
18 18 #13 1.400 41 41
16 16 #12 1.500 38 38
14 14 #11 1.375 35 35
12 12 #10 1.250 32 32
10 10 #8 1.000 45M 1500 25 25
8 8 #6 0.750 30M 700 19 19
7 7 #5 0.400 25M 500 16 16
6 6 #4 0.500 20M 300 13 13
5 5 #2 0.250 10M 100 6 6

Dimensions Chart of Monel 400 Square Bars

Get detailed dimensional information for Monel 400 square bars to meet your design and fabrication needs.

ASTM Japanese US Bar Metric
Size Diam. (mm2) Size Diam. (mm) Size Diam. (Inch) Size Diam. (mm)
15M 200 10 10 #3 0.375 5.5 5.5
10M 100 6 6 #2 0.250 5 5
20M 300 13 13 #4 0.500 6 6
30M 700 19 19 #6 0.750 8 8
25M 500 16 16 #5 0.625 7 7
35M 1000 22 22 #7 0.875 9 9
55M 2500 29 29 #9 1.125 11 11
45M 1500 25 25 #8 1.000 10 10
35 35 #11 1.375 14 14
41 41 #13 1.625 18 18
38 38 #12 1.500 16 16
44 44 #14 1.750 20 20
32 32 #10 1.250 12 12
51 51 #16 2.000 25 25
48 48 #15 1.875 22 22
57 57 #18 2.250 28 28
36 36
32 32
40 40
50 50
44 44

Monel Alloy 400 Round Bar Tolerances

Understand the manufacturing tolerances to ensure accurate fit, precision, and machining compatibility.

Shape / Section Size, diameter or width across flats Permitted variation
mm mm
Round ≥6 ≦ 18
> 18 ≦ 30
> 30 ≦ 50
> 50 ≦ 80
> 80 ≦ 100
+ 0 to – 0.070
+ 0 to – 0.085
+ 0 to – 0.100
+ 0 to – 0.120
+ 0 to – 0.140
Flat (thickness) < 18
> 18 ≦ 30
> 30 ≦ 50
> 50 ≦ 80
+ 0 to – 0.110
+ 0 to – 0.130
+ 0 to – 0.250
+ 0 to – 0.350
Flat (width) < 18
> 18 ≦ 30
> 30 ≦ 50
> 50 ≦ 80
> 80 ≦ 100
> 100 ≦ 130
> 130 ≦ 160
> 160 ≦ 320
+ 0 to – 0.110
+ 0 to – 0.130
+ 0 to – 0.160
+ 0 to – 0.190
+ 0 to – 0.220
+ 0 to – 0.350
+ 0 to – 1.00
+ 1.00 to – 1.00
Square and
hexagon
≥ 6 ≦ 18
> 18 ≦ 30
> 30 ≦ 50
> 50 ≦ 80
> 80 ≦ 105
+ 0 to – 0.090
+ 0 to – 0.110
+ 0 to – 0.130
+ 0 to – 0.160
+ 0 to – 0.250

Alloy 400 Round Bar Weight Chart

Refer to the weight chart to calculate material requirements and plan your project effectively.

Size kg/m kg/ft Size kg/m kg/ft Size kg/m kg/ft
22mm 2.979 0.908 1/8" 0.062 0.019 3-1/4" 41.996 12.800
24mm 3.543 1.080 4mm 0.098 0.030 3-3/4" 55.780 17.001
7/8" 3.038 0.926 5/32" 0.095 0.029 3-1/2" 48.772 14.850
25mm 3.871 1.180 3/16" 0.141 0.043 4" 63.340 19.306
26mm 4.170 1.271 7/32" 0.190 0.058 4-1/2" 80.340 24.4487
1" 3.970 1.210 5mm 0.154 0.047 4-1/4" 72.249 21.908
27mm 4.490 1.368 6mm 0.223 0.068 4-3/4" 90.249 27.366
30mm 5.548 1.691 7mm 0.298 0.091 5-1/2" 121 36.690
1-1/8" 5.033 1.534 1/4" 0.249 0.076 5" 99.940 30.461
20mm 2.470 0.753 3mm 0.055 0.017 3" 35.762 10.900
1-1/4" 6.349 1.924 5/16" 0.387 0.118 6" 143.900 43.860
1-3/8" 7.550 2.303 9mm 0.498 0.152 7" 196 59.432
32mm 6.314 1.894 8mm 0.398 0.120 6-1/2" 167.630 51.093
35mm 7.553 2.390 3/8" 0.557 0.170 7-1/2" 225 68.226
38mm 8.903 2.792 11mm 0.748 0.228 10" 397.140 121.048
36mm 7.999 2.438 10mm 0.620 0.189 8" 254.55 77.586
40mm 9.872 3.009 12mm 0.889 0.271 - - -
1-3/4" 12.179 3.712 13mm 1.043 0.318 - - -
1-5/8" 10.449 3.200 1/2" 0.994 0.303 - - -
45mm 12.555 3.807 14mm 1.207 0.368 - - -
1-1/2" 8.951 2.715 7/16" 0.761 0.232 - - -
48mm 14.205 4.330 15mm 1.391 0.424 - - -
1-7/8" 13.977 4.260 9/16" 1.256 0.383 - - -
50mm 15.414 4.698 5/8" 1.551 0.473 - - -
2-1/8" 17.963 5.475 17mm 1.791 0.543 - - -
2" 15.906 4.848 16mm 1.578 0.481 - - -
2-1/4" 20.128 6.135 11/16" 1.880 0.573 - - -
2-3/8" 22.435 6.838 3/4" 2.237 0.682 - - -
60mm 22.205 6.768 18mm 2.001 0.610 - - -
2-1/2" 24.856 7.576 - - - - - -
2-3/4" 30.083 9.169 - - - - - -
2-5/8" 27.409 8.354 - - - - - -

Monel 400 Flat Bar Sizes

Find available sizes and thickness options for Monel 400 flat bars for structural and fabrication applications.

Flat Size Standard Length (metres) KG’s per Metre Colour Code
13 x 5 6 0.46 Orange
13 x 3 6 0.31 Blue
16 x 3 6 0.38 Blue
16 x 8 6 1.03 Red
16 x 5 6 0.64 Orange
20 x 3 6 0.48 Blue
20 x 6 6 0.97 White
20 x 5 6 0.81 Orange
20 x 10 6 1.61 Yellow
25 x 5 6 1.01 Orange
25 x 3 6 0.60 Blue
25 x 6 6 1.21 White
25 x 10 6 2.01 Yellow
25 x 8 6 1.61 Red
25 x 12 6 2.41 Pink
10 x 3 6 0.24 Blue
32 x 5 6 1.29 Orange
32 x 3 6 0.77 Blue
32 x 6 6 1.55 White
32 x 10 6 2.58 Yellow
32 x 8 6 2.06 Red
32 x 12 6 3.09 Pink
40 x 5 6 1.61 Orange
40 x 3 6 0.97 Blue
40 x 6 6 1.93 White
40 x 10 6 3.22 Yellow
40 x 8 6 2.58 Red
40 x 12 6 3.86 Pink
40 x 20 6 6.14 Green
40 x 16 6 5.15 Grey

400 Monel Alloy Round Bars Finishes

Learn about different surface finishes offered for Monel 400 round bars, such as bright, polished, and black finishes.

CD
Cold drawn
P
Polished
BD
Bright drawn
SRE
Slit rolled edge
CG
Centreless ground
HF
Hot finished
CF
Cold finished
HRAP
Hot rolled annealed and pickled
P&T
Peeled and turned
RT
Rough turned/peeled
ST
Smooth turned
PR
Peeled and reeled

Thermal Properties of Monel Alloy 400 Round Bars

Review thermal performance details like expansion, conductivity, and heat resistance for high-temperature applications.

Temperature   Mean Linear Expansion   ThermalConductivity   Specific Heat   Electrical Resistivity  
°F °C in/in/°F x 10-⁶ µrn/m•°C ohm-circ mil/ft µ!l•m Btu-in/h/ft21°F W/m•°C 8tu/lb/°F J/kg•oC
-200 -130 6.4 11.4 130 18.2 0.078 320
-100 -70 6.7 12.1 139 19.8 0.088 378
70 21 307 0.511 151 22.0 0.102 427
200 100 7.7 14.2 322 0.537 167 24.0 0.105 445
-320 -200 205 0.360
-300 -180 6.1 11.1 113 16.5 0.050 223
400 200 8.6 15.2 337 0.559 193 26.9 0.110 459
600 300 8.8 15.7 346 0.574 215 30.1 0.114 470
800 400 8.9 16.1 355 0.587 238 33.4
1000 500 9.1 16.3 367 0.603 264 36.5
1200 600 9.3 16.6 379 0.620 287 39.4
1400 700 9.6 17.0 391 0.639 311 42.4
1600 800 9.8 17.4 403 0.658 335d 45 .5d
1800 900 10.0d 17.7 415 0.675 360d 48.8d
2000 1000 10.3d 18.1d 427 0.692

Available Monel 400 Bar Stock

Alloy 400 Round Bars ASTM B164 Monel 400 Flat Bars
Nickel Alloy 400 Bars UNS N04400 Flat Bars Black
UNS N04400 Rounds 400 Monel Flat Bars Bright
Monel 400 Bright Bars Nickel Alloy 400 Flat Bars Polished
WERKSTOFF NR. 2.4360 Rods Din 2.4360 Flat Bars Cold Drawn
ASTM B164 400 Monel Rod Alloy 400 Flat Bars Annealed
400 Monel Alloy Round Barss Nickel Alloy 400 Flat Bars stock
UNS N04400 Monel Hex Bars UNS N04400 Threaded Bars
2.4360 Monel 400 Hex Bars Black Monel 400 Square Rod
400 Alloy Hex Bars Bright WERKSTOFF NR. 2.4360 Hollow Bars
Nickel Alloy 400 Hex Bars Polished ASTM B164 400 Monel Hexagonal Bars
ASTM B164 Monel 400 Hex Bars Cold Drawn 400 Monel Alloy Triangular Bars
UNS N04400 Hex Bars Annealed UNS N04400 Monel Cold Drawn Round Bars
400 Monel Forged Bars 2.4360 Monel 400 Polished Bars
Nickel Alloy 400 Square Bars 400 Alloy Polished Flat Bars
Din 2.4360 Square Bars Black Nickel Alloy 400 Black Bars
Alloy 400 Square Bars Bright Din 2.4360 Bright Bars Cold Drawn
Nickel Alloy 400 Square Bars Polished Alloy 400 Bright Bars Hot Rolled
UNS N04400 Square Bars Cold Drawn Nickel Alloy 400 Bright Bars material
Monel 400 Square Bars Annealed UNS N04400 Bright Bars Flat
WERKSTOFF NR. 2.4360 Rectangular Bars Black Monel 400 Bright Bars Hex
ASTM B164 400 Monel Rectangular Bars Bright WERKSTOFF NR. 2.4360 Bright Bars Hollow
400 Monel Alloy Rectangular Bars Polished Nickel Alloy 400 Polished Round Bars
UNS N04400 Monel Rectangular Bars Cold Drawn ASTM B164 Monel 400 Polished Square Bars
2.4360 Monel 400 Rectangular Bars Annealed UNS N04400 Polished Hex Bars
400 Alloy Rectangular Bars stock 400 Monel Polished Bars Stock
Nickel Alloy 400 Rectangular Bars UNS N04400 Monel Threaded Bars Black
ASTM B164 400 Monel Threaded Bars M12 2.4360 Monel 400 Threaded Bars Stock
400 Monel Alloy Threaded Bars M16 Alloy 400 Threaded Rods

Frequently Asked Questions About Monel 400 Round Bars

Can Monel 400 Round Bar Be Heat Treated?
Monel 400 is not hardened by heat treatment as it is a nickel-copper alloy. Instead, it is reinforced by cold working or working it. In case it is fabricated, one can heat it at about 870 C to reduce internal stress and provide more flexibility to the material.
How Does Monel 400 Differ from Other Monel Alloys?
The Monel 400 is fabricated using nickel copper alloy that has high corrosion resistance and the other Monel alloy such the K500 consists of an additional formulation of various elements that give it increased hardness and strength.
How Does Monel 400 Perform at Elevated Temperatures?
Monel 400 has no difficulty operating in an environment with a temperature as high as 550 o C. It is able to sustain easily its power and resilience under harsh conditions.
What Are the Key Welding Considerations for Monel 400 Rods?
The Monel 400 Rods can be welded easily using TIG, MIG or SMAW. In order to prevent problems, apply Monel filler metal, do not cool quickly and clean the weld area to prevent corrosion.

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