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C85400 Brass vs. C47000 Brass

Both C85400 brass and C47000 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 88% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C85400 brass and the bottom bar is C47000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 23
36
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 220
380
Tensile Strength: Yield (Proof), MPa 85
150

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 940
900
Melting Onset (Solidus), °C 940
890
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 89
120
Thermal Expansion, µm/m-K 20
21

Otherwise Unclassified Properties

Base Metal Price, % relative 25
23
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 46
47
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
110
Resilience: Unit (Modulus of Resilience), kJ/m3 35
100
Stiffness to Weight: Axial, points 7.0
7.2
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 7.5
13
Strength to Weight: Bending, points 9.9
15
Thermal Diffusivity, mm2/s 28
38
Thermal Shock Resistance, points 7.6
13

Alloy Composition

Aluminum (Al), % 0 to 0.35
0 to 0.010
Copper (Cu), % 65 to 70
57 to 61
Iron (Fe), % 0 to 0.7
0
Lead (Pb), % 1.5 to 3.8
0 to 0.050
Nickel (Ni), % 0 to 1.0
0
Silicon (Si), % 0 to 0.050
0
Tin (Sn), % 0.5 to 1.5
0.25 to 1.0
Zinc (Zn), % 24 to 32
37.5 to 42.8
Residuals, % 0
0 to 0.4