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AWS ERNiMo-3 vs. S32304 Stainless Steel

AWS ERNiMo-3 belongs to the nickel alloys classification, while S32304 stainless steel belongs to the iron 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 AWS ERNiMo-3 and the bottom bar is S32304 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 83
79
Tensile Strength: Ultimate (UTS), MPa 770
670

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Melting Completion (Liquidus), °C 1600
1420
Melting Onset (Solidus), °C 1540
1380
Specific Heat Capacity, J/kg-K 400
480
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
14
Density, g/cm3 9.1
7.7
Embodied Carbon, kg CO2/kg material 15
2.8
Embodied Energy, MJ/kg 190
40
Embodied Water, L/kg 270
160

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 24
24
Strength to Weight: Bending, points 21
22
Thermal Shock Resistance, points 24
18

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.030
Chromium (Cr), % 4.0 to 6.0
21.5 to 24.5
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0 to 0.5
0.050 to 0.6
Iron (Fe), % 4.0 to 7.0
65 to 75.4
Manganese (Mn), % 0 to 1.0
0 to 2.5
Molybdenum (Mo), % 23 to 26
0.050 to 0.6
Nickel (Ni), % 53.7 to 69
3.0 to 5.5
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0 to 1.0
0
Vanadium (V), % 0 to 0.6
0
Residuals, % 0 to 0.5
0