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AWS BNi-5a vs. Grade CW12MW Nickel

Both AWS BNi-5a and grade CW12MW nickel are nickel alloys. They have 72% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-5a and the bottom bar is grade CW12MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
85
Tensile Strength: Ultimate (UTS), MPa 480
560

Thermal Properties

Latent Heat of Fusion, J/g 420
320
Melting Completion (Liquidus), °C 1150
1610
Melting Onset (Solidus), °C 1070
1560
Specific Heat Capacity, J/kg-K 500
410
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 55
70
Density, g/cm3 7.9
9.1
Embodied Carbon, kg CO2/kg material 9.0
13
Embodied Energy, MJ/kg 130
180
Embodied Water, L/kg 260
280

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 17
17
Thermal Shock Resistance, points 15
16

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 1.0 to 1.5
0
Carbon (C), % 0 to 0.1
0 to 0.12
Chromium (Cr), % 18.5 to 19.5
15.5 to 17.5
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 0.5
4.5 to 7.5
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
16 to 18
Nickel (Ni), % 70.1 to 73.5
49.2 to 60.1
Phosphorus (P), % 0 to 0.020
0 to 0.040
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 7.0 to 7.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Tungsten (W), % 0
3.8 to 5.3
Vanadium (V), % 0
0.2 to 0.4
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0