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C85700 Brass vs. C64210 Bronze

Both C85700 brass and C64210 bronze are copper alloys. They have 62% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C85700 brass and the bottom bar is C64210 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
35
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 310
570
Tensile Strength: Yield (Proof), MPa 110
290

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 120
210
Melting Completion (Liquidus), °C 940
1040
Melting Onset (Solidus), °C 910
990
Specific Heat Capacity, J/kg-K 380
430
Thermal Conductivity, W/m-K 84
48
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
13
Electrical Conductivity: Equal Weight (Specific), % IACS 25
14

Otherwise Unclassified Properties

Base Metal Price, % relative 24
29
Density, g/cm3 8.0
8.4
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 47
49
Embodied Water, L/kg 330
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
170
Resilience: Unit (Modulus of Resilience), kJ/m3 59
360
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 11
19
Strength to Weight: Bending, points 13
18
Thermal Diffusivity, mm2/s 27
13
Thermal Shock Resistance, points 10
21

Alloy Composition

Aluminum (Al), % 0 to 0.8
6.3 to 7.0
Arsenic (As), % 0
0 to 0.15
Copper (Cu), % 58 to 64
89 to 92.2
Iron (Fe), % 0 to 0.7
0 to 0.3
Lead (Pb), % 0.8 to 1.5
0 to 0.050
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 1.0
0 to 0.25
Silicon (Si), % 0 to 0.050
1.5 to 2.0
Tin (Sn), % 0.5 to 1.5
0 to 0.2
Zinc (Zn), % 32 to 40
0 to 0.5
Residuals, % 0
0 to 0.5