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C71580 Copper-nickel vs. C38000 Brass

Both C71580 copper-nickel and C38000 brass are copper alloys. They have 58% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C71580 copper-nickel and the bottom bar is C38000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
100
Elongation at Break, % 40
17
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 51
39
Shear Strength, MPa 230
230
Tensile Strength: Ultimate (UTS), MPa 330
380
Tensile Strength: Yield (Proof), MPa 110
120

Thermal Properties

Latent Heat of Fusion, J/g 230
170
Maximum Temperature: Mechanical, °C 260
110
Melting Completion (Liquidus), °C 1180
800
Melting Onset (Solidus), °C 1120
760
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 39
110
Thermal Expansion, µm/m-K 15
21

Otherwise Unclassified Properties

Base Metal Price, % relative 41
22
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 5.1
2.7
Embodied Energy, MJ/kg 74
46
Embodied Water, L/kg 280
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
50
Resilience: Unit (Modulus of Resilience), kJ/m3 47
74
Stiffness to Weight: Axial, points 8.5
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 10
13
Strength to Weight: Bending, points 12
14
Thermal Diffusivity, mm2/s 11
37
Thermal Shock Resistance, points 11
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.070
0
Copper (Cu), % 65.5 to 71
55 to 60
Iron (Fe), % 0 to 0.5
0 to 0.35
Lead (Pb), % 0 to 0.050
1.5 to 2.5
Manganese (Mn), % 0 to 0.3
0
Nickel (Ni), % 29 to 33
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0 to 0.050
35.9 to 43.5
Residuals, % 0
0 to 0.5