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C84000 Brass vs. C67000 Bronze

Both C84000 brass and C67000 bronze are copper alloys. They have 76% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C84000 brass and the bottom bar is C67000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 27
5.6 to 11
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 250
660 to 880
Tensile Strength: Yield (Proof), MPa 140
350 to 540

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 1040
900
Melting Onset (Solidus), °C 940
850
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 72
99
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
22
Electrical Conductivity: Equal Weight (Specific), % IACS 17
25

Otherwise Unclassified Properties

Base Metal Price, % relative 30
23
Density, g/cm3 8.6
7.9
Embodied Carbon, kg CO2/kg material 3.0
2.9
Embodied Energy, MJ/kg 49
49
Embodied Water, L/kg 330
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
43 to 62
Resilience: Unit (Modulus of Resilience), kJ/m3 83
560 to 1290
Stiffness to Weight: Axial, points 7.2
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 8.2
23 to 31
Strength to Weight: Bending, points 10
21 to 26
Thermal Diffusivity, mm2/s 22
30
Thermal Shock Resistance, points 9.0
21 to 29

Alloy Composition


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Aluminum (Al), % 0 to 0.0050
3.0 to 6.0
Antimony (Sb), % 0 to 0.020
0
Boron (B), % 0 to 0.1
0
Copper (Cu), % 82 to 89
63 to 68
Iron (Fe), % 0 to 0.4
2.0 to 4.0
Lead (Pb), % 0 to 0.090
0 to 0.2
Manganese (Mn), % 0 to 0.010
2.5 to 5.0
Nickel (Ni), % 0.5 to 2.0
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0.1 to 0.65
0
Tin (Sn), % 2.0 to 4.0
0 to 0.5
Zinc (Zn), % 5.0 to 14
21.8 to 32.5
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.7
0 to 0.5