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C85700 Brass vs. C85900 Brass

Both C85700 brass and C85900 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 C85700 brass and the bottom bar is C85900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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