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C69710 Brass vs. C60800 Bronze

Both C69710 brass and C60800 bronze are copper alloys. They have 78% of their average alloy composition in common.

For each property being compared, the top bar is C69710 brass and the bottom bar is C60800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
55
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
46
Shear Strength, MPa 300
290
Tensile Strength: Ultimate (UTS), MPa 470
390
Tensile Strength: Yield (Proof), MPa 230
150

Thermal Properties

Latent Heat of Fusion, J/g 240
220
Maximum Temperature: Mechanical, °C 160
210
Melting Completion (Liquidus), °C 930
1060
Melting Onset (Solidus), °C 880
1050
Specific Heat Capacity, J/kg-K 400
410
Thermal Conductivity, W/m-K 40
80
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
17
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
18

Otherwise Unclassified Properties

Base Metal Price, % relative 26
29
Density, g/cm3 8.3
8.6
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 44
48
Embodied Water, L/kg 310
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
170
Resilience: Unit (Modulus of Resilience), kJ/m3 250
94
Stiffness to Weight: Axial, points 7.3
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16
13
Strength to Weight: Bending, points 16
14
Thermal Diffusivity, mm2/s 12
23
Thermal Shock Resistance, points 16
14

Alloy Composition

Aluminum (Al), % 0
5.0 to 6.5
Arsenic (As), % 0.030 to 0.060
0.020 to 0.35
Copper (Cu), % 75 to 80
92.5 to 95
Iron (Fe), % 0 to 0.2
0 to 0.1
Lead (Pb), % 0.5 to 1.5
0 to 0.1
Manganese (Mn), % 0 to 0.4
0
Silicon (Si), % 2.5 to 3.5
0
Zinc (Zn), % 13.8 to 22
0
Residuals, % 0
0 to 0.5