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C68300 Brass vs. C22000 Bronze

Both C68300 brass and C22000 bronze are copper alloys. They have 71% of their average alloy composition in common. There are 28 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 C68300 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, % 15
1.9 to 45
Poisson's Ratio 0.31
0.33
Rockwell B Hardness 60
42 to 81
Shear Modulus, GPa 40
42
Shear Strength, MPa 260
200 to 300
Tensile Strength: Ultimate (UTS), MPa 430
260 to 520
Tensile Strength: Yield (Proof), MPa 260
69 to 500

Thermal Properties

Latent Heat of Fusion, J/g 180
200
Maximum Temperature: Mechanical, °C 120
180
Melting Completion (Liquidus), °C 900
1040
Melting Onset (Solidus), °C 890
1020
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
190
Thermal Expansion, µm/m-K 20
18

Otherwise Unclassified Properties

Base Metal Price, % relative 23
29
Density, g/cm3 8.0
8.7
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 46
42
Embodied Water, L/kg 340
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
3.7 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 330
21 to 1110
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 15
8.1 to 17
Strength to Weight: Bending, points 16
10 to 17
Thermal Diffusivity, mm2/s 38
56
Thermal Shock Resistance, points 14
8.8 to 18

Alloy Composition

Antimony (Sb), % 0.3 to 1.0
0
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 59 to 63
89 to 91
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0 to 0.090
0 to 0.050
Silicon (Si), % 0.3 to 1.0
0
Tin (Sn), % 0.050 to 0.2
0
Zinc (Zn), % 34.2 to 40.4
8.7 to 11
Residuals, % 0
0 to 0.2