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AWS ERNiCrMo-2 vs. S38815 Stainless Steel

AWS ERNiCrMo-2 belongs to the nickel alloys classification, while S38815 stainless steel belongs to the iron alloys. They have 50% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrMo-2 and the bottom bar is S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
74
Tensile Strength: Ultimate (UTS), MPa 750
610

Thermal Properties

Latent Heat of Fusion, J/g 320
370
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1410
1310
Specific Heat Capacity, J/kg-K 450
500
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 55
19
Density, g/cm3 8.4
7.5
Embodied Carbon, kg CO2/kg material 9.2
3.8
Embodied Energy, MJ/kg 120
54
Embodied Water, L/kg 270
140

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 25
22
Strength to Weight: Bending, points 22
21
Thermal Shock Resistance, points 20
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0.050 to 0.15
0 to 0.030
Chromium (Cr), % 20.5 to 23
13 to 15
Cobalt (Co), % 0.5 to 2.5
0
Copper (Cu), % 0 to 0.5
0.75 to 1.5
Iron (Fe), % 17 to 20
56.1 to 67
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 8.0 to 10
0.75 to 1.5
Nickel (Ni), % 40.3 to 53.8
13 to 17
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
5.5 to 6.5
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0.2 to 1.0
0
Residuals, % 0 to 0.5
0