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C61000 Bronze vs. C68700 Brass

Both C61000 bronze and C68700 brass are copper alloys. They have 80% 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 C61000 bronze and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 390 to 460
390
Tensile Strength: Yield (Proof), MPa 150 to 190
140

Thermal Properties

Latent Heat of Fusion, J/g 220
190
Maximum Temperature: Mechanical, °C 210
160
Melting Completion (Liquidus), °C 1040
970
Melting Onset (Solidus), °C 990
930
Specific Heat Capacity, J/kg-K 420
400
Thermal Conductivity, W/m-K 69
100
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
23
Electrical Conductivity: Equal Weight (Specific), % IACS 16
25

Otherwise Unclassified Properties

Base Metal Price, % relative 29
26
Density, g/cm3 8.5
8.3
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 49
46
Embodied Water, L/kg 370
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 160
90
Stiffness to Weight: Axial, points 7.4
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13 to 15
13
Strength to Weight: Bending, points 14 to 16
14
Thermal Diffusivity, mm2/s 19
30
Thermal Shock Resistance, points 14 to 16
13

Alloy Composition

Aluminum (Al), % 6.0 to 8.5
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Copper (Cu), % 90.2 to 94
76 to 79
Iron (Fe), % 0 to 0.5
0 to 0.060
Lead (Pb), % 0 to 0.020
0 to 0.070
Silicon (Si), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
17.8 to 22.2
Residuals, % 0
0 to 0.5