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AWS ERNiCrCoMo-1 vs. ACI-ASTM CB30 Steel

AWS ERNiCrCoMo-1 belongs to the nickel alloys classification, while ACI-ASTM CB30 steel belongs to the iron alloys. They have a modest 23% 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 (7, 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 CB30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 710
500

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
21
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 75
10
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 10
2.3
Embodied Energy, MJ/kg 140
33
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
18
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 3.5
5.6
Thermal Shock Resistance, points 19
17

Alloy Composition


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Aluminum (Al), % 0.8 to 1.5
0
Carbon (C), % 0.050 to 0.15
0 to 0.3
Chromium (Cr), % 20 to 24
18 to 21
Cobalt (Co), % 10 to 15
0
Copper (Cu), % 0 to 0.5
0 to 1.2
Iron (Fe), % 0 to 3.0
72.9 to 82
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 2.0
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