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AWS BNi-8 vs. C69400 Brass

AWS BNi-8 belongs to the nickel alloys classification, while C69400 brass 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 C69400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 67
42
Tensile Strength: Ultimate (UTS), MPa 570
570

Thermal Properties

Latent Heat of Fusion, J/g 390
260
Melting Completion (Liquidus), °C 1010
920
Melting Onset (Solidus), °C 980
820
Specific Heat Capacity, J/kg-K 480
410
Thermal Expansion, µm/m-K 13
18

Otherwise Unclassified Properties

Base Metal Price, % relative 46
27
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 8.2
2.7
Embodied Energy, MJ/kg 120
44
Embodied Water, L/kg 220
300

Common Calculations

Stiffness to Weight: Axial, points 12
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 20
19
Strength to Weight: Bending, points 19
18
Thermal Shock Resistance, points 17
20

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0 to 0.060
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 4.0 to 5.0
80 to 83
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 21.5 to 24.5
0
Nickel (Ni), % 61.6 to 68.5
0
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 6.0 to 8.0
3.5 to 4.5
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0
11.5 to 16.5
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.5