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C33000 Brass vs. C71580 Copper-nickel

Both C33000 brass and C71580 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 C71580 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
140
Elongation at Break, % 7.0 to 60
40
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
51
Shear Strength, MPa 240 to 300
230
Tensile Strength: Ultimate (UTS), MPa 320 to 520
330
Tensile Strength: Yield (Proof), MPa 110 to 450
110

Thermal Properties

Latent Heat of Fusion, J/g 180
230
Maximum Temperature: Mechanical, °C 130
260
Melting Completion (Liquidus), °C 940
1180
Melting Onset (Solidus), °C 900
1120
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 120
39
Thermal Expansion, µm/m-K 20
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 29
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
41
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 2.7
5.1
Embodied Energy, MJ/kg 45
74
Embodied Water, L/kg 320
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35 to 150
100
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 950
47
Stiffness to Weight: Axial, points 7.2
8.5
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
11
Thermal Shock Resistance, points 11 to 17
11

Alloy Composition

Carbon (C), % 0
0 to 0.070
Copper (Cu), % 65 to 68
65.5 to 71
Iron (Fe), % 0 to 0.070
0 to 0.5
Lead (Pb), % 0.25 to 0.7
0 to 0.050
Manganese (Mn), % 0
0 to 0.3
Nickel (Ni), % 0
29 to 33
Zinc (Zn), % 30.8 to 34.8
0 to 0.050
Residuals, % 0
0 to 0.5