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C85900 Brass vs. C85700 Brass

Both C85900 brass and C85700 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a very high 98% 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 C85900 brass and the bottom bar is C85700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 30
17
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 460
310
Tensile Strength: Yield (Proof), MPa 190
110

Thermal Properties

Latent Heat of Fusion, J/g 170
170
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 830
940
Melting Onset (Solidus), °C 790
910
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 89
84
Thermal Expansion, µm/m-K 20
21

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 24
24
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 2.9
2.8
Embodied Energy, MJ/kg 49
47
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
41
Resilience: Unit (Modulus of Resilience), kJ/m3 170
59
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 16
11
Strength to Weight: Bending, points 17
13
Thermal Diffusivity, mm2/s 29
27
Thermal Shock Resistance, points 16
10

Alloy Composition

Aluminum (Al), % 0.1 to 0.6
0 to 0.8
Antimony (Sb), % 0 to 0.2
0
Boron (B), % 0 to 0.2
0
Copper (Cu), % 58 to 62
58 to 64
Iron (Fe), % 0 to 0.5
0 to 0.7
Lead (Pb), % 0 to 0.090
0.8 to 1.5
Manganese (Mn), % 0 to 0.010
0
Nickel (Ni), % 0 to 1.5
0 to 1.0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.25
0 to 0.050
Sulfur (S), % 0.1 to 0.65
0
Tin (Sn), % 0 to 1.5
0.5 to 1.5
Zinc (Zn), % 31 to 41
32 to 40
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 1.3