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C43500 Brass vs. C85700 Brass

Both C43500 brass and C85700 brass are copper alloys. They have 80% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C43500 brass and the bottom bar is C85700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 8.5 to 46
17
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 320 to 530
310
Tensile Strength: Yield (Proof), MPa 120 to 480
110

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 1000
940
Melting Onset (Solidus), °C 970
910
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 120
84
Thermal Expansion, µm/m-K 19
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
22
Electrical Conductivity: Equal Weight (Specific), % IACS 30
25

Otherwise Unclassified Properties

Base Metal Price, % relative 28
24
Density, g/cm3 8.5
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 45
47
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 120
41
Resilience: Unit (Modulus of Resilience), kJ/m3 65 to 1040
59
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 10 to 17
11
Strength to Weight: Bending, points 12 to 17
13
Thermal Diffusivity, mm2/s 37
27
Thermal Shock Resistance, points 11 to 18
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
Copper (Cu), % 79 to 83
58 to 64
Iron (Fe), % 0 to 0.050
0 to 0.7
Lead (Pb), % 0 to 0.090
0.8 to 1.5
Nickel (Ni), % 0
0 to 1.0
Silicon (Si), % 0
0 to 0.050
Tin (Sn), % 0.6 to 1.2
0.5 to 1.5
Zinc (Zn), % 15.4 to 20.4
32 to 40
Residuals, % 0
0 to 1.3