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C68300 Brass vs. C86200 Bronze

Both C68300 brass and C86200 bronze are copper alloys. They have 86% 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 C68300 brass and the bottom bar is C86200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 15
21
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 430
710
Tensile Strength: Yield (Proof), MPa 260
350

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 900
940
Melting Onset (Solidus), °C 890
900
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 120
35
Thermal Expansion, µm/m-K 20
20

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.9
Embodied Energy, MJ/kg 46
49
Embodied Water, L/kg 340
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
120
Resilience: Unit (Modulus of Resilience), kJ/m3 330
540
Stiffness to Weight: Axial, points 7.3
7.8
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 15
25
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 38
11
Thermal Shock Resistance, points 14
23

Alloy Composition

Aluminum (Al), % 0
3.0 to 4.9
Antimony (Sb), % 0.3 to 1.0
0
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 59 to 63
60 to 66
Iron (Fe), % 0
2.0 to 4.0
Lead (Pb), % 0 to 0.090
0 to 0.2
Manganese (Mn), % 0
2.5 to 5.0
Nickel (Ni), % 0
0 to 1.0
Silicon (Si), % 0.3 to 1.0
0
Tin (Sn), % 0.050 to 0.2
0 to 0.2
Zinc (Zn), % 34.2 to 40.4
22 to 28
Residuals, % 0
0 to 1.0