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AWS ERNiMo-3 vs. SAE-AISI 1140 Steel

AWS ERNiMo-3 belongs to the nickel alloys classification, while SAE-AISI 1140 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, 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 1140 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
72
Tensile Strength: Ultimate (UTS), MPa 770
600 to 700

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1600
1460
Melting Onset (Solidus), °C 1540
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
1.8
Density, g/cm3 9.1
7.8
Embodied Carbon, kg CO2/kg material 15
1.4
Embodied Energy, MJ/kg 190
18
Embodied Water, L/kg 270
46

Common Calculations

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

Alloy Composition

Carbon (C), % 0 to 0.12
0.37 to 0.44
Chromium (Cr), % 4.0 to 6.0
0
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 4.0 to 7.0
98.4 to 98.9
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
Molybdenum (Mo), % 23 to 26
0
Nickel (Ni), % 53.7 to 69
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0.080 to 0.13
Tungsten (W), % 0 to 1.0
0
Vanadium (V), % 0 to 0.6
0
Residuals, % 0 to 0.5
0