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S32950 Stainless Steel vs. AWS ERNiMo-3

S32950 stainless steel belongs to the iron alloys classification, while AWS ERNiMo-3 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is S32950 stainless steel and the bottom bar is AWS ERNiMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Poisson's Ratio 0.27
0.3
Shear Modulus, GPa 80
83
Tensile Strength: Ultimate (UTS), MPa 780
770

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Melting Completion (Liquidus), °C 1430
1600
Melting Onset (Solidus), °C 1390
1540
Specific Heat Capacity, J/kg-K 480
400
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 17
70
Density, g/cm3 7.7
9.1
Embodied Carbon, kg CO2/kg material 3.4
15
Embodied Energy, MJ/kg 47
190
Embodied Water, L/kg 180
270

Common Calculations

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

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.12
Chromium (Cr), % 26 to 29
4.0 to 6.0
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 60.3 to 69.4
4.0 to 7.0
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 2.5
23 to 26
Nickel (Ni), % 3.5 to 5.2
53.7 to 69
Nitrogen (N), % 0.15 to 0.35
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0
0 to 1.0
Vanadium (V), % 0
0 to 0.6
Residuals, % 0
0 to 0.5