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AWS ERNiCrMo-4 vs. S32950 Stainless Steel

AWS ERNiCrMo-4 belongs to the nickel alloys classification, while S32950 stainless steel belongs to the iron alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 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-4 and the bottom bar is S32950 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 28
17
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 84
80
Tensile Strength: Ultimate (UTS), MPa 790
780

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Melting Completion (Liquidus), °C 1590
1430
Melting Onset (Solidus), °C 1530
1390
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
17
Density, g/cm3 9.0
7.7
Embodied Carbon, kg CO2/kg material 13
3.4
Embodied Energy, MJ/kg 170
47
Embodied Water, L/kg 280
180

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 24
28
Strength to Weight: Bending, points 21
24
Thermal Shock Resistance, points 22
21

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 14.5 to 16.5
26 to 29
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 4.0 to 7.0
60.3 to 69.4
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 15 to 17
1.0 to 2.5
Nickel (Ni), % 50 to 63.5
3.5 to 5.2
Nitrogen (N), % 0
0.15 to 0.35
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.080
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 3.0 to 4.5
0
Vanadium (V), % 0 to 0.35
0
Residuals, % 0 to 0.5
0