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C38000 Brass vs. C67000 Bronze

Both C38000 brass and C67000 bronze are copper alloys. They have 86% 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 C38000 brass and the bottom bar is C67000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
5.6 to 11
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 39
42
Shear Strength, MPa 230
390 to 510
Tensile Strength: Ultimate (UTS), MPa 380
660 to 880
Tensile Strength: Yield (Proof), MPa 120
350 to 540

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 110
160
Melting Completion (Liquidus), °C 800
900
Melting Onset (Solidus), °C 760
850
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 110
99
Thermal Expansion, µm/m-K 21
20

Otherwise Unclassified Properties

Base Metal Price, % relative 22
23
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 46
49
Embodied Water, L/kg 330
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
43 to 62
Resilience: Unit (Modulus of Resilience), kJ/m3 74
560 to 1290
Stiffness to Weight: Axial, points 7.1
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 13
23 to 31
Strength to Weight: Bending, points 14
21 to 26
Thermal Diffusivity, mm2/s 37
30
Thermal Shock Resistance, points 13
21 to 29

Alloy Composition

Aluminum (Al), % 0 to 0.5
3.0 to 6.0
Copper (Cu), % 55 to 60
63 to 68
Iron (Fe), % 0 to 0.35
2.0 to 4.0
Lead (Pb), % 1.5 to 2.5
0 to 0.2
Manganese (Mn), % 0
2.5 to 5.0
Tin (Sn), % 0 to 0.3
0 to 0.5
Zinc (Zn), % 35.9 to 43.5
21.8 to 32.5
Residuals, % 0
0 to 0.5