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C68800 Brass vs. AWS BNi-6

C68800 brass belongs to the copper alloys classification, while AWS BNi-6 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C68800 brass and the bottom bar is AWS BNi-6.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
160
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 41
62
Tensile Strength: Ultimate (UTS), MPa 570 to 890
450

Thermal Properties

Latent Heat of Fusion, J/g 190
260
Melting Completion (Liquidus), °C 960
880
Melting Onset (Solidus), °C 950
880
Specific Heat Capacity, J/kg-K 400
480
Thermal Expansion, µm/m-K 19
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 26
55
Density, g/cm3 8.2
8.2
Embodied Carbon, kg CO2/kg material 2.8
9.4
Embodied Energy, MJ/kg 48
130
Embodied Water, L/kg 350
210

Common Calculations

Stiffness to Weight: Axial, points 7.3
11
Stiffness to Weight: Bending, points 19
22
Strength to Weight: Axial, points 19 to 30
15
Strength to Weight: Bending, points 19 to 25
16
Thermal Shock Resistance, points 19 to 30
20

Alloy Composition

Aluminum (Al), % 3.0 to 3.8
0 to 0.050
Carbon (C), % 0
0 to 0.060
Cobalt (Co), % 0.25 to 0.55
0 to 0.1
Copper (Cu), % 70.8 to 75.5
0
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0 to 0.050
0
Nickel (Ni), % 0
87.2 to 90
Phosphorus (P), % 0
10 to 12
Selenium (Se), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 21.3 to 24.1
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5