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AWS ERNiCrCoMo-1 vs. ACI-ASTM CC50 Steel

AWS ERNiCrCoMo-1 belongs to the nickel alloys classification, while ACI-ASTM CC50 steel belongs to the iron alloys. They have a modest 27% of their average alloy composition in common, which, by itself, doesn't mean much. There are 23 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 ERNiCrCoMo-1 and the bottom bar is ACI-ASTM CC50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 710
430

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 450
490
Thermal Conductivity, W/m-K 13
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 75
14
Density, g/cm3 8.5
7.6
Embodied Carbon, kg CO2/kg material 10
2.7
Embodied Energy, MJ/kg 140
39
Embodied Water, L/kg 350
170

Common Calculations

Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 23
26
Strength to Weight: Axial, points 23
16
Strength to Weight: Bending, points 21
17
Thermal Diffusivity, mm2/s 3.5
4.5
Thermal Shock Resistance, points 19
14

Alloy Composition


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Aluminum (Al), % 0.8 to 1.5
0
Carbon (C), % 0.050 to 0.15
0 to 0.5
Chromium (Cr), % 20 to 24
26 to 30
Cobalt (Co), % 10 to 15
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 3.0
62.9 to 74
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 42.7 to 61.2
0 to 4.0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.040
Titanium (Ti), % 0 to 0.6
0
Residuals, % 0 to 0.5
0