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Grade CW12MW Nickel vs. AWS E209

Grade CW12MW nickel belongs to the nickel alloys classification, while AWS E209 belongs to the iron alloys. They have a modest 37% 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 CW12MW nickel and the bottom bar is AWS E209.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 4.6
17
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 85
79
Tensile Strength: Ultimate (UTS), MPa 560
770

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Melting Completion (Liquidus), °C 1610
1420
Melting Onset (Solidus), °C 1560
1370
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 70
21
Density, g/cm3 9.1
7.8
Embodied Carbon, kg CO2/kg material 13
4.4
Embodied Energy, MJ/kg 180
63
Embodied Water, L/kg 280
180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 17
28
Strength to Weight: Bending, points 17
24
Thermal Shock Resistance, points 16
19

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.060
Chromium (Cr), % 15.5 to 17.5
20.5 to 24
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 4.5 to 7.5
51.5 to 64.3
Manganese (Mn), % 0 to 1.0
4.0 to 7.0
Molybdenum (Mo), % 16 to 18
1.5 to 3.0
Nickel (Ni), % 49.2 to 60.1
9.5 to 12
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 3.8 to 5.3
0
Vanadium (V), % 0.2 to 0.4
0.1 to 0.3