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AWS ERNiCrFe-6 vs. Grade CW6MC Nickel

Both AWS ERNiCrFe-6 and grade CW6MC nickel are nickel alloys. They have 81% of their average alloy composition in common. There are 24 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 ERNiCrFe-6 and the bottom bar is grade CW6MC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
28
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
79
Tensile Strength: Ultimate (UTS), MPa 630
540

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Melting Completion (Liquidus), °C 1370
1480
Melting Onset (Solidus), °C 1320
1430
Specific Heat Capacity, J/kg-K 460
440
Thermal Conductivity, W/m-K 13
11
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 55
80
Density, g/cm3 8.4
8.6
Embodied Carbon, kg CO2/kg material 9.8
14
Embodied Energy, MJ/kg 140
200
Embodied Water, L/kg 260
290

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 21
18
Strength to Weight: Bending, points 19
17
Thermal Diffusivity, mm2/s 3.3
2.8
Thermal Shock Resistance, points 19
15

Alloy Composition


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Carbon (C), % 0 to 0.080
0 to 0.060
Chromium (Cr), % 14 to 17
20 to 23
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 8.0
0 to 5.0
Manganese (Mn), % 2.0 to 2.7
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 67 to 81.5
55.4 to 68.9
Niobium (Nb), % 0
3.2 to 4.5
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 2.5 to 3.5
0
Residuals, % 0 to 0.5
0