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AWS BNi-6 vs. AWS ENiCu-7

Both AWS BNi-6 and AWS ENiCu-7 are nickel alloys. They have 66% of their average alloy composition in common. There are 19 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 AWS BNi-6 and the bottom bar is AWS ENiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
160
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 62
62
Tensile Strength: Ultimate (UTS), MPa 450
550

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 880
1270
Melting Onset (Solidus), °C 880
1230
Specific Heat Capacity, J/kg-K 480
430
Thermal Expansion, µm/m-K 9.8
13

Otherwise Unclassified Properties

Base Metal Price, % relative 55
50
Density, g/cm3 8.2
8.7
Embodied Carbon, kg CO2/kg material 9.4
8.0
Embodied Energy, MJ/kg 130
110
Embodied Water, L/kg 210
250

Common Calculations

Stiffness to Weight: Axial, points 11
10
Stiffness to Weight: Bending, points 22
21
Strength to Weight: Axial, points 15
17
Strength to Weight: Bending, points 16
17
Thermal Shock Resistance, points 20
18

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.75
Carbon (C), % 0 to 0.060
0 to 0.1
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
20.6 to 38
Iron (Fe), % 0
0 to 2.5
Manganese (Mn), % 0
0 to 4.0
Nickel (Ni), % 87.2 to 90
62 to 69
Phosphorus (P), % 10 to 12
0 to 0.020
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0 to 0.050
0 to 1.0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.5