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AWS ERNiCrCoMo-1 vs. SAE-AISI D7 Steel

AWS ERNiCrCoMo-1 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 ERNiCrCoMo-1 and the bottom bar is SAE-AISI D7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 710
800 to 2120

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
27
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 75
10
Density, g/cm3 8.5
7.6
Embodied Carbon, kg CO2/kg material 10
11
Embodied Energy, MJ/kg 140
180
Embodied Water, L/kg 350
130

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 23
29 to 78
Strength to Weight: Bending, points 21
25 to 48
Thermal Diffusivity, mm2/s 3.5
7.4
Thermal Shock Resistance, points 19
27 to 72

Alloy Composition


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Aluminum (Al), % 0.8 to 1.5
0
Carbon (C), % 0.050 to 0.15
2.2 to 2.5
Chromium (Cr), % 20 to 24
11.5 to 13.5
Cobalt (Co), % 10 to 15
0
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 0 to 3.0
76.6 to 81.9
Manganese (Mn), % 0 to 1.0
0 to 0.6
Molybdenum (Mo), % 8.0 to 10
0.7 to 1.2
Nickel (Ni), % 42.7 to 61.2
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.6
0
Vanadium (V), % 0
3.8 to 4.4
Residuals, % 0 to 0.5
0