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AWS ENiCu-7 vs. AWS BNi-9

Both AWS ENiCu-7 and AWS BNi-9 are nickel alloys. They have 67% 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 ENiCu-7 and the bottom bar is AWS BNi-9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 62
72
Tensile Strength: Ultimate (UTS), MPa 550
580

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Melting Completion (Liquidus), °C 1270
1060
Melting Onset (Solidus), °C 1230
1060
Specific Heat Capacity, J/kg-K 430
480
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 50
60
Density, g/cm3 8.7
8.4
Embodied Carbon, kg CO2/kg material 8.0
9.3
Embodied Energy, MJ/kg 110
130
Embodied Water, L/kg 250
260

Common Calculations

Stiffness to Weight: Axial, points 10
12
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 17
18
Thermal Shock Resistance, points 18
19

Alloy Composition

Aluminum (Al), % 0 to 0.75
0 to 0.050
Boron (B), % 0
3.3 to 4.0
Carbon (C), % 0 to 0.1
0 to 0.060
Chromium (Cr), % 0
13.5 to 16.5
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 20.6 to 38
0
Iron (Fe), % 0 to 2.5
0 to 1.5
Manganese (Mn), % 0 to 4.0
0
Nickel (Ni), % 62 to 69
77.1 to 83.3
Phosphorus (P), % 0 to 0.020
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0 to 1.0
0 to 0.050
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5