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Grade CW2M Nickel vs. AWS E320LR

Grade CW2M nickel belongs to the nickel alloys classification, while AWS E320LR belongs to the iron alloys. They have 54% of their average alloy composition in common. 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 E320LR.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
34
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 83
77
Tensile Strength: Ultimate (UTS), MPa 560
580

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Melting Completion (Liquidus), °C 1520
1410
Melting Onset (Solidus), °C 1460
1360
Specific Heat Capacity, J/kg-K 430
460
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 70
36
Density, g/cm3 8.8
8.2
Embodied Carbon, kg CO2/kg material 12
6.2
Embodied Energy, MJ/kg 170
87
Embodied Water, L/kg 290
220

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 17
19
Thermal Shock Resistance, points 16
15

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 15 to 17.5
19 to 21
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 0 to 2.0
32.7 to 42.5
Manganese (Mn), % 0 to 1.0
1.5 to 2.5
Molybdenum (Mo), % 15 to 17.5
2.0 to 3.0
Nickel (Ni), % 60.1 to 70
32 to 36
Niobium (Nb), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.8
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0 to 1.0
0