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C33000 Brass vs. C70700 Copper-nickel

Both C33000 brass and C70700 copper-nickel are copper alloys. They have 67% of their average alloy composition in common. There are 29 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 C33000 brass and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 7.0 to 60
39
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
46
Shear Strength, MPa 240 to 300
220
Tensile Strength: Ultimate (UTS), MPa 320 to 520
320
Tensile Strength: Yield (Proof), MPa 110 to 450
110

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
59
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
11
Electrical Conductivity: Equal Weight (Specific), % IACS 29
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
34
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 45
52
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35 to 150
100
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 950
51
Stiffness to Weight: Axial, points 7.2
7.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 11 to 18
10
Strength to Weight: Bending, points 13 to 18
12
Thermal Diffusivity, mm2/s 37
17
Thermal Shock Resistance, points 11 to 17
12

Alloy Composition

Copper (Cu), % 65 to 68
88.5 to 90.5
Iron (Fe), % 0 to 0.070
0 to 0.050
Lead (Pb), % 0.25 to 0.7
0
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
9.5 to 10.5
Zinc (Zn), % 30.8 to 34.8
0
Residuals, % 0
0 to 0.5