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C85700 Brass vs. C61800 Bronze

Both C85700 brass and C61800 bronze are copper alloys. They have 62% 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 C85700 brass and the bottom bar is C61800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
26
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 310
740
Tensile Strength: Yield (Proof), MPa 110
310

Thermal Properties

Latent Heat of Fusion, J/g 170
230
Maximum Temperature: Mechanical, °C 120
220
Melting Completion (Liquidus), °C 940
1050
Melting Onset (Solidus), °C 910
1040
Specific Heat Capacity, J/kg-K 380
440
Thermal Conductivity, W/m-K 84
64
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
13
Electrical Conductivity: Equal Weight (Specific), % IACS 25
14

Otherwise Unclassified Properties

Base Metal Price, % relative 24
28
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 2.8
3.1
Embodied Energy, MJ/kg 47
52
Embodied Water, L/kg 330
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
150
Resilience: Unit (Modulus of Resilience), kJ/m3 59
420
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 11
25
Strength to Weight: Bending, points 13
22
Thermal Diffusivity, mm2/s 27
18
Thermal Shock Resistance, points 10
26

Alloy Composition

Aluminum (Al), % 0 to 0.8
8.5 to 11
Copper (Cu), % 58 to 64
86.9 to 91
Iron (Fe), % 0 to 0.7
0.5 to 1.5
Lead (Pb), % 0.8 to 1.5
0 to 0.020
Nickel (Ni), % 0 to 1.0
0
Silicon (Si), % 0 to 0.050
0 to 0.1
Tin (Sn), % 0.5 to 1.5
0
Zinc (Zn), % 32 to 40
0 to 0.020
Residuals, % 0
0 to 0.5