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C33000 Brass vs. C70620 Copper-nickel

Both C33000 brass and C70620 copper-nickel are copper alloys. They have 67% of their average alloy composition in common. There are 23 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 C33000 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 0.31
0.34
Rockwell Superficial 30T Hardness 26 to 69
61 to 75
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 320 to 520
300 to 570

Thermal Properties

Latent Heat of Fusion, J/g 180
220
Maximum Temperature: Mechanical, °C 130
220
Melting Completion (Liquidus), °C 940
1120
Melting Onset (Solidus), °C 900
1060
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
49
Thermal Expansion, µm/m-K 20
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
33
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 45
51
Embodied Water, L/kg 320
300

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.7
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 11 to 18
9.3 to 18
Strength to Weight: Bending, points 13 to 18
11 to 17
Thermal Diffusivity, mm2/s 37
14
Thermal Shock Resistance, points 11 to 17
10 to 20

Alloy Composition

Carbon (C), % 0
0 to 0.050
Copper (Cu), % 65 to 68
86.5 to 90
Iron (Fe), % 0 to 0.070
1.0 to 1.8
Lead (Pb), % 0.25 to 0.7
0 to 0.020
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
9.0 to 11
Phosphorus (P), % 0
0 to 0.2
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 30.8 to 34.8
0 to 0.5
Residuals, % 0
0 to 0.5