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C32000 Brass vs. C70620 Copper-nickel

Both C32000 brass and C70620 copper-nickel are copper alloys. They have 86% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C32000 brass and the bottom bar is C70620 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 41
46
Tensile Strength: Ultimate (UTS), MPa 270 to 470
300 to 570

Thermal Properties

Latent Heat of Fusion, J/g 190
220
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 1020
1120
Melting Onset (Solidus), °C 990
1060
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 160
49
Thermal Expansion, µm/m-K 19
17

Otherwise Unclassified Properties

Base Metal Price, % relative 28
33
Density, g/cm3 8.7
8.9
Embodied Carbon, kg CO2/kg material 2.6
3.4
Embodied Energy, MJ/kg 42
51
Embodied Water, L/kg 310
300

Common Calculations

Stiffness to Weight: Axial, points 7.1
7.7
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.8 to 15
9.3 to 18
Strength to Weight: Bending, points 11 to 16
11 to 17
Thermal Diffusivity, mm2/s 47
14
Thermal Shock Resistance, points 9.5 to 16
10 to 20

Alloy Composition

Carbon (C), % 0
0 to 0.050
Copper (Cu), % 83.5 to 86.5
86.5 to 90
Iron (Fe), % 0 to 0.1
1.0 to 1.8
Lead (Pb), % 1.5 to 2.2
0 to 0.020
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.25
9.0 to 11
Phosphorus (P), % 0
0 to 0.2
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 10.6 to 15
0 to 0.5
Residuals, % 0
0 to 0.5

Comparable Variants