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C60800 Bronze vs. C34500 Brass

Both C60800 bronze and C34500 brass are copper alloys. They have 64% of their average alloy composition in common.

For each property being compared, the top bar is C60800 bronze and the bottom bar is C34500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 55
12 to 28
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 46
40
Shear Strength, MPa 290
220 to 260
Tensile Strength: Ultimate (UTS), MPa 390
340 to 430
Tensile Strength: Yield (Proof), MPa 150
120 to 180

Thermal Properties

Latent Heat of Fusion, J/g 220
170
Maximum Temperature: Mechanical, °C 210
120
Melting Completion (Liquidus), °C 1060
910
Melting Onset (Solidus), °C 1050
890
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 80
120
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
26
Electrical Conductivity: Equal Weight (Specific), % IACS 18
29

Otherwise Unclassified Properties

Base Metal Price, % relative 29
24
Density, g/cm3 8.6
8.2
Embodied Carbon, kg CO2/kg material 2.9
2.6
Embodied Energy, MJ/kg 48
45
Embodied Water, L/kg 360
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
42 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 94
69 to 160
Stiffness to Weight: Axial, points 7.3
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13
12 to 15
Strength to Weight: Bending, points 14
13 to 16
Thermal Diffusivity, mm2/s 23
37
Thermal Shock Resistance, points 14
11 to 14

Alloy Composition

Aluminum (Al), % 5.0 to 6.5
0
Arsenic (As), % 0.020 to 0.35
0
Copper (Cu), % 92.5 to 95
62 to 65
Iron (Fe), % 0 to 0.1
0 to 0.15
Lead (Pb), % 0 to 0.1
1.5 to 2.5
Zinc (Zn), % 0
32 to 36.5
Residuals, % 0
0 to 0.4