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C67000 Bronze vs. C69700 Brass

Both C67000 bronze and C69700 brass are copper alloys. They have 84% of their average alloy composition in common. There are 27 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 C67000 bronze and the bottom bar is C69700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 5.6 to 11
25
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 42
41
Shear Strength, MPa 390 to 510
300
Tensile Strength: Ultimate (UTS), MPa 660 to 880
470
Tensile Strength: Yield (Proof), MPa 350 to 540
230

Thermal Properties

Latent Heat of Fusion, J/g 190
240
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 900
930
Melting Onset (Solidus), °C 850
880
Specific Heat Capacity, J/kg-K 410
400
Thermal Conductivity, W/m-K 99
43
Thermal Expansion, µm/m-K 20
19

Otherwise Unclassified Properties

Base Metal Price, % relative 23
26
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 49
44
Embodied Water, L/kg 350
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43 to 62
99
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 1290
250
Stiffness to Weight: Axial, points 7.8
7.3
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 23 to 31
16
Strength to Weight: Bending, points 21 to 26
16
Thermal Diffusivity, mm2/s 30
13
Thermal Shock Resistance, points 21 to 29
16

Alloy Composition

Aluminum (Al), % 3.0 to 6.0
0
Copper (Cu), % 63 to 68
75 to 80
Iron (Fe), % 2.0 to 4.0
0 to 0.2
Lead (Pb), % 0 to 0.2
0.5 to 1.5
Manganese (Mn), % 2.5 to 5.0
0 to 0.4
Silicon (Si), % 0
2.5 to 3.5
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 21.8 to 32.5
13.9 to 22
Residuals, % 0
0 to 0.5