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C64200 Bronze vs. C68800 Brass

Both C64200 bronze and C68800 brass are copper alloys. They have 77% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C64200 bronze and the bottom bar is C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 14 to 35
2.0 to 36
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 42
41
Shear Strength, MPa 330 to 390
380 to 510
Tensile Strength: Ultimate (UTS), MPa 540 to 640
570 to 890
Tensile Strength: Yield (Proof), MPa 230 to 320
390 to 790

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 210
160
Melting Completion (Liquidus), °C 1000
960
Melting Onset (Solidus), °C 980
950
Specific Heat Capacity, J/kg-K 430
400
Thermal Conductivity, W/m-K 45
40
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
18
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
20

Otherwise Unclassified Properties

Base Metal Price, % relative 29
26
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 50
48
Embodied Water, L/kg 370
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 170
16 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 470
710 to 2860
Stiffness to Weight: Axial, points 7.5
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 18 to 21
19 to 30
Strength to Weight: Bending, points 18 to 20
19 to 25
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 20 to 23
19 to 30

Alloy Composition

Aluminum (Al), % 6.3 to 7.6
3.0 to 3.8
Arsenic (As), % 0 to 0.15
0
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 88.2 to 92.2
70.8 to 75.5
Iron (Fe), % 0 to 0.3
0 to 0.2
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.25
0
Silicon (Si), % 1.5 to 2.2
0
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
21.3 to 24.1
Residuals, % 0
0 to 0.5