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C68000 Brass vs. C96900 Copper-nickel

Both C68000 brass and C96900 copper-nickel are copper alloys. They have 60% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C68000 brass and the bottom bar is C96900 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 27
4.5
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 40
45
Tensile Strength: Ultimate (UTS), MPa 390
850
Tensile Strength: Yield (Proof), MPa 140
830

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 120
210
Melting Completion (Liquidus), °C 880
1060
Melting Onset (Solidus), °C 870
960
Specific Heat Capacity, J/kg-K 390
380
Thermal Expansion, µm/m-K 21
17

Otherwise Unclassified Properties

Base Metal Price, % relative 23
39
Density, g/cm3 8.0
8.8
Embodied Carbon, kg CO2/kg material 2.8
4.6
Embodied Energy, MJ/kg 48
72
Embodied Water, L/kg 330
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
38
Resilience: Unit (Modulus of Resilience), kJ/m3 95
2820
Stiffness to Weight: Axial, points 7.3
7.7
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 14
27
Strength to Weight: Bending, points 15
23
Thermal Shock Resistance, points 13
30

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Copper (Cu), % 56 to 60
73.6 to 78
Iron (Fe), % 0.25 to 1.3
0 to 0.5
Lead (Pb), % 0 to 0.050
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0.010 to 0.5
0.050 to 0.3
Nickel (Ni), % 0.2 to 0.8
14.5 to 15.5
Niobium (Nb), % 0
0 to 0.1
Silicon (Si), % 0.040 to 0.15
0 to 0.3
Tin (Sn), % 0.75 to 1.1
7.5 to 8.5
Zinc (Zn), % 35.6 to 42.8
0 to 0.5
Residuals, % 0
0 to 0.5