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C47000 Brass vs. C85400 Brass

Both C47000 brass and C85400 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 C47000 brass and the bottom bar is C85400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.35
Copper (Cu), % 57 to 61
65 to 70
Iron (Fe), % 0
0 to 0.7
Lead (Pb), % 0 to 0.050
1.5 to 3.8
Nickel (Ni), % 0
0 to 1.0
Silicon (Si), % 0
0 to 0.050
Tin (Sn), % 0.25 to 1.0
0.5 to 1.5
Zinc (Zn), % 37.5 to 42.8
24 to 32
Residuals, % 0
0 to 1.1