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C38000 Brass vs. C87200 Bronze

Both C38000 brass and C87200 bronze are copper alloys. They have 61% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C38000 brass and the bottom bar is C87200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
30
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 39
43
Tensile Strength: Ultimate (UTS), MPa 380
380
Tensile Strength: Yield (Proof), MPa 120
170

Thermal Properties

Latent Heat of Fusion, J/g 170
260
Maximum Temperature: Mechanical, °C 110
200
Melting Completion (Liquidus), °C 800
970
Melting Onset (Solidus), °C 760
860
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 110
28
Thermal Expansion, µm/m-K 21
17

Otherwise Unclassified Properties

Base Metal Price, % relative 22
29
Density, g/cm3 8.0
8.6
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
44
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
93
Resilience: Unit (Modulus of Resilience), kJ/m3 74
130
Stiffness to Weight: Axial, points 7.1
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13
12
Strength to Weight: Bending, points 14
14
Thermal Diffusivity, mm2/s 37
8.0
Thermal Shock Resistance, points 13
14

Alloy Composition


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Aluminum (Al), % 0 to 0.5
0 to 1.5
Copper (Cu), % 55 to 60
89 to 99
Iron (Fe), % 0 to 0.35
0 to 2.5
Lead (Pb), % 1.5 to 2.5
0 to 0.5
Manganese (Mn), % 0
0 to 1.5
Phosphorus (P), % 0
0 to 0.5
Silicon (Si), % 0
1.0 to 5.0
Tin (Sn), % 0 to 0.3
0 to 1.0
Zinc (Zn), % 35.9 to 43.5
0 to 5.0
Residuals, % 0 to 0.5
0