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C38000 Brass vs. C95700 Bronze

Both C38000 brass and C95700 bronze are copper alloys. They have 58% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C38000 brass and the bottom bar is C95700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
130
Elongation at Break, % 17
23
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 39
47
Tensile Strength: Ultimate (UTS), MPa 380
680
Tensile Strength: Yield (Proof), MPa 120
310

Thermal Properties

Latent Heat of Fusion, J/g 170
230
Maximum Temperature: Mechanical, °C 110
220
Melting Completion (Liquidus), °C 800
990
Melting Onset (Solidus), °C 760
950
Specific Heat Capacity, J/kg-K 380
440
Thermal Conductivity, W/m-K 110
12
Thermal Expansion, µm/m-K 21
18

Otherwise Unclassified Properties

Base Metal Price, % relative 22
26
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 46
54
Embodied Water, L/kg 330
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
130
Resilience: Unit (Modulus of Resilience), kJ/m3 74
390
Stiffness to Weight: Axial, points 7.1
8.5
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 13
23
Strength to Weight: Bending, points 14
21
Thermal Diffusivity, mm2/s 37
3.3
Thermal Shock Resistance, points 13
21

Alloy Composition

Aluminum (Al), % 0 to 0.5
7.0 to 8.5
Copper (Cu), % 55 to 60
71 to 78.5
Iron (Fe), % 0 to 0.35
2.0 to 4.0
Lead (Pb), % 1.5 to 2.5
0 to 0.030
Manganese (Mn), % 0
11 to 14
Nickel (Ni), % 0
1.5 to 3.0
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.9 to 43.5
0
Residuals, % 0
0 to 0.5