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AWS ERNiCrMo-4 vs. Grade CW6M Nickel

Both AWS ERNiCrMo-4 and grade CW6M nickel are nickel alloys. They have a moderately high 90% of their average alloy composition in common. There are 20 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 ERNiCrMo-4 and the bottom bar is grade CW6M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
220
Elongation at Break, % 28
29
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
84
Tensile Strength: Ultimate (UTS), MPa 790
560

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Melting Completion (Liquidus), °C 1590
1530
Melting Onset (Solidus), °C 1530
1470
Specific Heat Capacity, J/kg-K 410
430
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
65
Density, g/cm3 9.0
8.8
Embodied Carbon, kg CO2/kg material 13
13
Embodied Energy, MJ/kg 170
170
Embodied Water, L/kg 280
300

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 24
18
Strength to Weight: Bending, points 21
17
Thermal Shock Resistance, points 22
16

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.070
Chromium (Cr), % 14.5 to 16.5
17 to 20
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 4.0 to 7.0
0 to 3.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 15 to 17
17 to 20
Nickel (Ni), % 50 to 63.5
54.9 to 66
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.080
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 3.0 to 4.5
0
Vanadium (V), % 0 to 0.35
0
Residuals, % 0 to 0.5
0