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C65500 Bronze vs. C85500 Brass

Both C65500 bronze and C85500 brass are copper alloys. They have 62% of their average alloy composition in common. There are 29 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 C65500 bronze and the bottom bar is C85500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 4.0 to 70
40
Poisson's Ratio 0.34
0.31
Rockwell B Hardness 62 to 97
55
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 360 to 760
410
Tensile Strength: Yield (Proof), MPa 120 to 430
160

Thermal Properties

Latent Heat of Fusion, J/g 260
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1030
900
Melting Onset (Solidus), °C 970
890
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 36
120
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
26
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
29

Otherwise Unclassified Properties

Base Metal Price, % relative 29
23
Density, g/cm3 8.6
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 42
46
Embodied Water, L/kg 300
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 450
130
Resilience: Unit (Modulus of Resilience), kJ/m3 62 to 790
120
Stiffness to Weight: Axial, points 7.5
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 12 to 24
14
Strength to Weight: Bending, points 13 to 21
15
Thermal Diffusivity, mm2/s 10
38
Thermal Shock Resistance, points 12 to 26
14

Alloy Composition

Copper (Cu), % 91.5 to 96.7
59 to 63
Iron (Fe), % 0 to 0.8
0 to 0.2
Lead (Pb), % 0 to 0.050
0 to 0.2
Manganese (Mn), % 0.5 to 1.3
0 to 0.2
Nickel (Ni), % 0 to 0.6
0 to 0.2
Silicon (Si), % 2.8 to 3.8
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0 to 1.5
35.1 to 41
Residuals, % 0
0 to 0.9