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C85700 Brass vs. C85800 Brass

Both C85700 brass and C85800 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. Their average alloy composition is basically identical. 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 C85800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 17
15
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 310
380
Tensile Strength: Yield (Proof), MPa 110
210

Thermal Properties

Latent Heat of Fusion, J/g 170
170
Maximum Temperature: Mechanical, °C 120
120
Melting Completion (Liquidus), °C 940
900
Melting Onset (Solidus), °C 910
870
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 84
84
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
20
Electrical Conductivity: Equal Weight (Specific), % IACS 25
22

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
48
Resilience: Unit (Modulus of Resilience), kJ/m3 59
210
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 11
13
Strength to Weight: Bending, points 13
15
Thermal Diffusivity, mm2/s 27
27
Thermal Shock Resistance, points 10
13

Alloy Composition

Aluminum (Al), % 0 to 0.8
0 to 0.55
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 58 to 64
57 to 69
Iron (Fe), % 0 to 0.7
0 to 0.5
Lead (Pb), % 0.8 to 1.5
0 to 1.5
Manganese (Mn), % 0
0 to 0.25
Nickel (Ni), % 0 to 1.0
0 to 0.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.050
0 to 0.25
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0.5 to 1.5
0 to 1.5
Zinc (Zn), % 32 to 40
31 to 41
Residuals, % 0
0 to 1.3