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C38000 Brass vs. C89320 Bronze

Both C38000 brass and C89320 bronze are copper alloys. They have 59% 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 C89320 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
17
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 39
40
Tensile Strength: Ultimate (UTS), MPa 380
270
Tensile Strength: Yield (Proof), MPa 120
140

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 110
180
Melting Completion (Liquidus), °C 800
1050
Melting Onset (Solidus), °C 760
930
Specific Heat Capacity, J/kg-K 380
360
Thermal Conductivity, W/m-K 110
56
Thermal Expansion, µm/m-K 21
17

Otherwise Unclassified Properties

Base Metal Price, % relative 22
37
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 46
56
Embodied Water, L/kg 330
490

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
38
Resilience: Unit (Modulus of Resilience), kJ/m3 74
93
Stiffness to Weight: Axial, points 7.1
6.8
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13
8.5
Strength to Weight: Bending, points 14
10
Thermal Diffusivity, mm2/s 37
17
Thermal Shock Resistance, points 13
10

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.35
Bismuth (Bi), % 0
4.0 to 6.0
Copper (Cu), % 55 to 60
87 to 91
Iron (Fe), % 0 to 0.35
0 to 0.2
Lead (Pb), % 1.5 to 2.5
0 to 0.090
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.3
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.3
5.0 to 7.0
Zinc (Zn), % 35.9 to 43.5
0 to 1.0
Residuals, % 0
0 to 0.5