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C85700 Brass vs. C32000 Brass

Both C85700 brass and C32000 brass are copper alloys. They have 75% 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 C32000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
6.8 to 29
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 310
270 to 470
Tensile Strength: Yield (Proof), MPa 110
78 to 390

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 940
1020
Melting Onset (Solidus), °C 910
990
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 84
160
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
36
Electrical Conductivity: Equal Weight (Specific), % IACS 25
37

Otherwise Unclassified Properties

Base Metal Price, % relative 24
28
Density, g/cm3 8.0
8.7
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 47
42
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
30 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 59
28 to 680
Stiffness to Weight: Axial, points 7.2
7.1
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 11
8.8 to 15
Strength to Weight: Bending, points 13
11 to 16
Thermal Diffusivity, mm2/s 27
47
Thermal Shock Resistance, points 10
9.5 to 16

Alloy Composition

Aluminum (Al), % 0 to 0.8
0
Copper (Cu), % 58 to 64
83.5 to 86.5
Iron (Fe), % 0 to 0.7
0 to 0.1
Lead (Pb), % 0.8 to 1.5
1.5 to 2.2
Nickel (Ni), % 0 to 1.0
0 to 0.25
Silicon (Si), % 0 to 0.050
0
Tin (Sn), % 0.5 to 1.5
0
Zinc (Zn), % 32 to 40
10.6 to 15
Residuals, % 0
0 to 0.4