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AWS ERNiCrCoMo-1 vs. AISI 440B Stainless Steel

AWS ERNiCrCoMo-1 belongs to the nickel alloys classification, while AISI 440B stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrCoMo-1 and the bottom bar is AISI 440B stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 28
3.0 to 18
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 710
740 to 1930

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Melting Completion (Liquidus), °C 1420
1480
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
23
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 75
9.0
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 10
2.2
Embodied Energy, MJ/kg 140
31
Embodied Water, L/kg 350
120

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 23
27 to 70
Strength to Weight: Bending, points 21
24 to 45
Thermal Diffusivity, mm2/s 3.5
6.1
Thermal Shock Resistance, points 19
27 to 70

Alloy Composition


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Aluminum (Al), % 0.8 to 1.5
0
Carbon (C), % 0.050 to 0.15
0.75 to 1.0
Chromium (Cr), % 20 to 24
16 to 18
Cobalt (Co), % 10 to 15
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 3.0
78.2 to 83.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 8.0 to 10
0 to 0.75
Nickel (Ni), % 42.7 to 61.2
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0 to 0.6
0
Residuals, % 0 to 0.5
0