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C68400 Brass vs. AWS BNi-9

C68400 brass belongs to the copper alloys classification, while AWS BNi-9 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is AWS BNi-9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.31
0.3
Shear Modulus, GPa 41
72
Tensile Strength: Ultimate (UTS), MPa 540
580

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Melting Completion (Liquidus), °C 840
1060
Melting Onset (Solidus), °C 820
1060
Specific Heat Capacity, J/kg-K 400
480
Thermal Expansion, µm/m-K 20
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
60
Density, g/cm3 7.9
8.4
Embodied Carbon, kg CO2/kg material 2.7
9.3
Embodied Energy, MJ/kg 47
130
Embodied Water, L/kg 320
260

Common Calculations

Stiffness to Weight: Axial, points 7.5
12
Stiffness to Weight: Bending, points 20
23
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 19
18
Thermal Shock Resistance, points 18
19

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.050
Boron (B), % 0.0010 to 0.030
3.3 to 4.0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
13.5 to 16.5
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 59 to 64
0
Iron (Fe), % 0 to 1.0
0 to 1.5
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
0
Nickel (Ni), % 0 to 0.5
77.1 to 83.3
Phosphorus (P), % 0.030 to 0.3
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 1.5 to 2.5
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.5
0
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 28.6 to 39.3
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5