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C84000 Brass vs. C85700 Brass

Both C84000 brass and C85700 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 73% 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 C84000 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, % 27
17
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 250
310
Tensile Strength: Yield (Proof), MPa 140
110

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 1040
940
Melting Onset (Solidus), °C 940
910
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 72
84
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
22
Electrical Conductivity: Equal Weight (Specific), % IACS 17
25

Otherwise Unclassified Properties

Base Metal Price, % relative 30
24
Density, g/cm3 8.6
8.0
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 49
47
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
41
Resilience: Unit (Modulus of Resilience), kJ/m3 83
59
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 8.2
11
Strength to Weight: Bending, points 10
13
Thermal Diffusivity, mm2/s 22
27
Thermal Shock Resistance, points 9.0
10

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.8
Antimony (Sb), % 0 to 0.020
0
Boron (B), % 0 to 0.1
0
Copper (Cu), % 82 to 89
58 to 64
Iron (Fe), % 0 to 0.4
0 to 0.7
Lead (Pb), % 0 to 0.090
0.8 to 1.5
Manganese (Mn), % 0 to 0.010
0
Nickel (Ni), % 0.5 to 2.0
0 to 1.0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0 to 0.050
Sulfur (S), % 0.1 to 0.65
0
Tin (Sn), % 2.0 to 4.0
0.5 to 1.5
Zinc (Zn), % 5.0 to 14
32 to 40
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.7
0 to 1.3