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AWS ERNiMo-3 vs. SAE-AISI M50 Steel

AWS ERNiMo-3 belongs to the nickel alloys classification, while SAE-AISI M50 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiMo-3 and the bottom bar is SAE-AISI M50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 83
75
Tensile Strength: Ultimate (UTS), MPa 770
720 to 2250

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1600
1480
Melting Onset (Solidus), °C 1540
1440
Specific Heat Capacity, J/kg-K 400
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
9.0
Density, g/cm3 9.1
7.9
Embodied Carbon, kg CO2/kg material 15
5.1
Embodied Energy, MJ/kg 190
74
Embodied Water, L/kg 270
83

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 24
26 to 80
Strength to Weight: Bending, points 21
23 to 49
Thermal Shock Resistance, points 24
21 to 66

Alloy Composition

Carbon (C), % 0 to 0.12
0.78 to 0.88
Chromium (Cr), % 4.0 to 6.0
3.8 to 4.5
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 4.0 to 7.0
87 to 90.4
Manganese (Mn), % 0 to 1.0
0.15 to 0.45
Molybdenum (Mo), % 23 to 26
3.9 to 4.8
Nickel (Ni), % 53.7 to 69
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0 to 1.0
0
Vanadium (V), % 0 to 0.6
0.8 to 1.3
Residuals, % 0 to 0.5
0