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C38000 Brass vs. C64700 Bronze

Both C38000 brass and C64700 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 C64700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 17
9.0
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 39
44
Shear Strength, MPa 230
390
Tensile Strength: Ultimate (UTS), MPa 380
660
Tensile Strength: Yield (Proof), MPa 120
560

Thermal Properties

Latent Heat of Fusion, J/g 170
220
Maximum Temperature: Mechanical, °C 110
200
Melting Completion (Liquidus), °C 800
1090
Melting Onset (Solidus), °C 760
1030
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
210
Thermal Expansion, µm/m-K 21
17

Otherwise Unclassified Properties

Base Metal Price, % relative 22
31
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
43
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
57
Resilience: Unit (Modulus of Resilience), kJ/m3 74
1370
Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13
21
Strength to Weight: Bending, points 14
19
Thermal Diffusivity, mm2/s 37
59
Thermal Shock Resistance, points 13
24

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Copper (Cu), % 55 to 60
95.8 to 98
Iron (Fe), % 0 to 0.35
0 to 0.1
Lead (Pb), % 1.5 to 2.5
0 to 0.1
Nickel (Ni), % 0
1.6 to 2.2
Silicon (Si), % 0
0.4 to 0.8
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.9 to 43.5
0 to 0.5
Residuals, % 0
0 to 0.5