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AWS BNi-8 vs. C91700 Bronze

AWS BNi-8 belongs to the nickel alloys classification, while C91700 bronze belongs to the copper alloys. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-8 and the bottom bar is C91700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
110
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 67
41
Tensile Strength: Ultimate (UTS), MPa 570
330

Thermal Properties

Latent Heat of Fusion, J/g 390
190
Melting Completion (Liquidus), °C 1010
1020
Melting Onset (Solidus), °C 980
850
Specific Heat Capacity, J/kg-K 480
370
Thermal Expansion, µm/m-K 13
18

Otherwise Unclassified Properties

Base Metal Price, % relative 46
36
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 8.2
3.9
Embodied Energy, MJ/kg 120
63
Embodied Water, L/kg 220
400

Common Calculations

Stiffness to Weight: Axial, points 12
6.9
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 20
11
Strength to Weight: Bending, points 19
12
Thermal Shock Resistance, points 17
12

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0 to 0.060
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 4.0 to 5.0
84.2 to 87.5
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 21.5 to 24.5
0
Nickel (Ni), % 61.6 to 68.5
1.2 to 2.0
Phosphorus (P), % 0 to 0.020
0 to 0.3
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 6.0 to 8.0
0 to 0.0050
Sulfur (S), % 0 to 0.020
0 to 0.050
Tin (Sn), % 0
11.3 to 12.5
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0