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AWS ERNiCrMo-2 vs. SAE-AISI 1140 Steel

AWS ERNiCrMo-2 belongs to the nickel alloys classification, while SAE-AISI 1140 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrMo-2 and the bottom bar is SAE-AISI 1140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
72
Tensile Strength: Ultimate (UTS), MPa 750
600 to 700

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 11
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 55
1.8
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 9.2
1.4
Embodied Energy, MJ/kg 120
18
Embodied Water, L/kg 270
46

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 25
21 to 25
Strength to Weight: Bending, points 22
20 to 22
Thermal Diffusivity, mm2/s 2.9
14
Thermal Shock Resistance, points 20
18 to 21

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.37 to 0.44
Chromium (Cr), % 20.5 to 23
0
Cobalt (Co), % 0.5 to 2.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 17 to 20
98.4 to 98.9
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 40.3 to 53.8
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), % 0.2 to 1.0
0
Residuals, % 0 to 0.5
0