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AWS ERNiCrMo-10 vs. SAE-AISI D7 Steel

AWS ERNiCrMo-10 belongs to the nickel alloys classification, while SAE-AISI D7 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrMo-10 and the bottom bar is SAE-AISI D7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
73
Tensile Strength: Ultimate (UTS), MPa 790
800 to 2120

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Melting Completion (Liquidus), °C 1550
1440
Melting Onset (Solidus), °C 1490
1400
Specific Heat Capacity, J/kg-K 420
480
Thermal Conductivity, W/m-K 10
27
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 70
10
Density, g/cm3 8.9
7.6
Embodied Carbon, kg CO2/kg material 12
11
Embodied Energy, MJ/kg 160
180
Embodied Water, L/kg 300
130

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 25
29 to 78
Strength to Weight: Bending, points 21
25 to 48
Thermal Diffusivity, mm2/s 2.7
7.4
Thermal Shock Resistance, points 21
27 to 72

Alloy Composition

Carbon (C), % 0 to 0.015
2.2 to 2.5
Chromium (Cr), % 20 to 22.5
11.5 to 13.5
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 2.0 to 6.0
76.6 to 81.9
Manganese (Mn), % 0 to 0.5
0 to 0.6
Molybdenum (Mo), % 12.5 to 14.5
0.7 to 1.2
Nickel (Ni), % 49 to 63
0 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.080
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
3.8 to 4.4
Residuals, % 0 to 0.5
0