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C68300 Brass vs. C64210 Bronze

Both C68300 brass and C64210 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 (2, in this case) are not shown.

For each property being compared, the top bar is C68300 brass and the bottom bar is C64210 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 15
35
Poisson's Ratio 0.31
0.34
Rockwell B Hardness 60
77
Shear Modulus, GPa 40
42
Shear Strength, MPa 260
380
Tensile Strength: Ultimate (UTS), MPa 430
570
Tensile Strength: Yield (Proof), MPa 260
290

Thermal Properties

Latent Heat of Fusion, J/g 180
250
Maximum Temperature: Mechanical, °C 120
210
Melting Completion (Liquidus), °C 900
1040
Melting Onset (Solidus), °C 890
990
Specific Heat Capacity, J/kg-K 390
430
Thermal Conductivity, W/m-K 120
48
Thermal Expansion, µm/m-K 20
18

Otherwise Unclassified Properties

Base Metal Price, % relative 23
29
Density, g/cm3 8.0
8.4
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 46
49
Embodied Water, L/kg 340
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
170
Resilience: Unit (Modulus of Resilience), kJ/m3 330
360
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15
19
Strength to Weight: Bending, points 16
18
Thermal Diffusivity, mm2/s 38
13
Thermal Shock Resistance, points 14
21

Alloy Composition

Aluminum (Al), % 0
6.3 to 7.0
Antimony (Sb), % 0.3 to 1.0
0
Arsenic (As), % 0
0 to 0.15
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 59 to 63
89 to 92.2
Iron (Fe), % 0
0 to 0.3
Lead (Pb), % 0 to 0.090
0 to 0.050
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.25
Silicon (Si), % 0.3 to 1.0
1.5 to 2.0
Tin (Sn), % 0.050 to 0.2
0 to 0.2
Zinc (Zn), % 34.2 to 40.4
0 to 0.5
Residuals, % 0
0 to 0.5