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Grade CW2M Nickel vs. AWS E312

Grade CW2M nickel belongs to the nickel alloys classification, while AWS E312 belongs to the iron alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade CW2M nickel and the bottom bar is AWS E312.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
25
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 83
80
Tensile Strength: Ultimate (UTS), MPa 560
740

Thermal Properties

Latent Heat of Fusion, J/g 330
310
Melting Completion (Liquidus), °C 1520
1410
Melting Onset (Solidus), °C 1460
1360
Specific Heat Capacity, J/kg-K 430
480
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 70
20
Density, g/cm3 8.8
7.7
Embodied Carbon, kg CO2/kg material 12
3.6
Embodied Energy, MJ/kg 170
52
Embodied Water, L/kg 290
200

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 18
27
Strength to Weight: Bending, points 17
24
Thermal Shock Resistance, points 16
18

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.15
Chromium (Cr), % 15 to 17.5
28 to 32
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 0 to 2.0
52.3 to 63.5
Manganese (Mn), % 0 to 1.0
0.5 to 2.5
Molybdenum (Mo), % 15 to 17.5
0 to 0.75
Nickel (Ni), % 60.1 to 70
8.0 to 10.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0 to 1.0
0