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C63200 Bronze vs. C68700 Brass

Both C63200 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 C63200 bronze and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
41
Tensile Strength: Ultimate (UTS), MPa 640 to 710
390
Tensile Strength: Yield (Proof), MPa 310 to 350
140

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 230
160
Melting Completion (Liquidus), °C 1060
970
Melting Onset (Solidus), °C 1040
930
Specific Heat Capacity, J/kg-K 440
400
Thermal Conductivity, W/m-K 35
100
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
23
Electrical Conductivity: Equal Weight (Specific), % IACS 7.6
25

Otherwise Unclassified Properties

Base Metal Price, % relative 29
26
Density, g/cm3 8.3
8.3
Embodied Carbon, kg CO2/kg material 3.4
2.8
Embodied Energy, MJ/kg 55
46
Embodied Water, L/kg 380
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 510
90
Stiffness to Weight: Axial, points 7.9
7.3
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 21 to 24
13
Strength to Weight: Bending, points 20 to 21
14
Thermal Diffusivity, mm2/s 9.6
30
Thermal Shock Resistance, points 22 to 24
13

Alloy Composition

Aluminum (Al), % 8.7 to 9.5
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Copper (Cu), % 78.8 to 82.6
76 to 79
Iron (Fe), % 3.5 to 4.3
0 to 0.060
Lead (Pb), % 0 to 0.020
0 to 0.070
Manganese (Mn), % 1.2 to 2.0
0
Nickel (Ni), % 4.0 to 4.8
0
Silicon (Si), % 0 to 0.1
0
Zinc (Zn), % 0
17.8 to 22.2
Residuals, % 0
0 to 0.5