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C38000 Brass vs. C63000 Bronze

Both C38000 brass and C63000 bronze are copper alloys. They have 58% 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 C63000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 17
7.9 to 15
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 39
44
Shear Strength, MPa 230
400 to 470
Tensile Strength: Ultimate (UTS), MPa 380
660 to 790
Tensile Strength: Yield (Proof), MPa 120
330 to 390

Thermal Properties

Latent Heat of Fusion, J/g 170
230
Maximum Temperature: Mechanical, °C 110
230
Melting Completion (Liquidus), °C 800
1050
Melting Onset (Solidus), °C 760
1040
Specific Heat Capacity, J/kg-K 380
440
Thermal Conductivity, W/m-K 110
39
Thermal Expansion, µm/m-K 21
18

Otherwise Unclassified Properties

Base Metal Price, % relative 22
29
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 46
57
Embodied Water, L/kg 330
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
47 to 82
Resilience: Unit (Modulus of Resilience), kJ/m3 74
470 to 640
Stiffness to Weight: Axial, points 7.1
7.9
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 13
22 to 26
Strength to Weight: Bending, points 14
20 to 23
Thermal Diffusivity, mm2/s 37
11
Thermal Shock Resistance, points 13
23 to 27

Alloy Composition

Aluminum (Al), % 0 to 0.5
9.0 to 11
Copper (Cu), % 55 to 60
76.8 to 85
Iron (Fe), % 0 to 0.35
2.0 to 4.0
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
4.0 to 5.5
Silicon (Si), % 0
0 to 0.25
Tin (Sn), % 0 to 0.3
0 to 0.2
Zinc (Zn), % 35.9 to 43.5
0 to 0.3
Residuals, % 0
0 to 0.5