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C38000 Brass vs. C22000 Bronze

Both C38000 brass and C22000 bronze are copper alloys. They have 68% of their average alloy composition in common. There are 27 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 C22000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
1.9 to 45
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 39
42
Shear Strength, MPa 230
200 to 300
Tensile Strength: Ultimate (UTS), MPa 380
260 to 520
Tensile Strength: Yield (Proof), MPa 120
69 to 500

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 110
180
Melting Completion (Liquidus), °C 800
1040
Melting Onset (Solidus), °C 760
1020
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
190
Thermal Expansion, µm/m-K 21
18

Otherwise Unclassified Properties

Base Metal Price, % relative 22
29
Density, g/cm3 8.0
8.7
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 46
42
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
3.7 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 74
21 to 1110
Stiffness to Weight: Axial, points 7.1
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13
8.1 to 17
Strength to Weight: Bending, points 14
10 to 17
Thermal Diffusivity, mm2/s 37
56
Thermal Shock Resistance, points 13
8.8 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Copper (Cu), % 55 to 60
89 to 91
Iron (Fe), % 0 to 0.35
0 to 0.050
Lead (Pb), % 1.5 to 2.5
0 to 0.050
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.9 to 43.5
8.7 to 11
Residuals, % 0
0 to 0.2