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AWS ERNiCrMo-4 vs. S30441 Stainless Steel

AWS ERNiCrMo-4 belongs to the nickel alloys classification, while S30441 stainless steel belongs to the iron alloys. They have a modest 32% 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 S30441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 28
45
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
76
Tensile Strength: Ultimate (UTS), MPa 790
580

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Melting Completion (Liquidus), °C 1590
1420
Melting Onset (Solidus), °C 1530
1370
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 70
18
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 13
3.4
Embodied Energy, MJ/kg 170
50
Embodied Water, L/kg 280
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 24
21
Strength to Weight: Bending, points 21
20
Thermal Shock Resistance, points 22
13

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.080
Chromium (Cr), % 14.5 to 16.5
17.5 to 19.5
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0 to 0.5
1.5 to 2.5
Iron (Fe), % 4.0 to 7.0
62 to 71.7
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 15 to 17
0
Nickel (Ni), % 50 to 63.5
8.0 to 10.5
Niobium (Nb), % 0
0.1 to 0.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.080
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 3.0 to 4.5
0.2 to 0.8
Vanadium (V), % 0 to 0.35
0
Residuals, % 0 to 0.5
0