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C69710 Brass vs. C67600 Bronze

Both C69710 brass and C67600 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 C67600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 25
13 to 33
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 41
40
Shear Strength, MPa 300
270 to 350
Tensile Strength: Ultimate (UTS), MPa 470
430 to 570
Tensile Strength: Yield (Proof), MPa 230
170 to 380

Thermal Properties

Latent Heat of Fusion, J/g 240
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 930
890
Melting Onset (Solidus), °C 880
870
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 40
110
Thermal Expansion, µm/m-K 19
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
24
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
27

Otherwise Unclassified Properties

Base Metal Price, % relative 26
23
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 44
47
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
63 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 250
140 to 680
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 16
15 to 20
Strength to Weight: Bending, points 16
16 to 19
Thermal Diffusivity, mm2/s 12
35
Thermal Shock Resistance, points 16
14 to 19

Alloy Composition

Arsenic (As), % 0.030 to 0.060
0
Copper (Cu), % 75 to 80
57 to 60
Iron (Fe), % 0 to 0.2
0.4 to 1.3
Lead (Pb), % 0.5 to 1.5
0.5 to 1.0
Manganese (Mn), % 0 to 0.4
0.050 to 0.5
Silicon (Si), % 2.5 to 3.5
0
Tin (Sn), % 0
0.5 to 1.5
Zinc (Zn), % 13.8 to 22
35.2 to 41.6
Residuals, % 0
0 to 0.5