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Grade CW6MC Nickel vs. AWS E312

Grade CW6MC nickel belongs to the nickel alloys classification, while AWS E312 belongs to the iron alloys. They have a modest 35% 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 (10, in this case) are not shown.

For each property being compared, the top bar is grade CW6MC nickel and the bottom bar is AWS E312.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
25
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 540
740

Thermal Properties

Latent Heat of Fusion, J/g 330
310
Melting Completion (Liquidus), °C 1480
1410
Melting Onset (Solidus), °C 1430
1360
Specific Heat Capacity, J/kg-K 440
480
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 80
20
Density, g/cm3 8.6
7.7
Embodied Carbon, kg CO2/kg material 14
3.6
Embodied Energy, MJ/kg 200
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 15
18

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.15
Chromium (Cr), % 20 to 23
28 to 32
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 0 to 5.0
52.3 to 63.5
Manganese (Mn), % 0 to 1.0
0.5 to 2.5
Molybdenum (Mo), % 8.0 to 10
0 to 0.75
Nickel (Ni), % 55.4 to 68.9
8.0 to 10.5
Niobium (Nb), % 3.2 to 4.5
0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030