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C62400 Bronze vs. C68300 Brass

Both C62400 bronze and C68300 brass are copper alloys. They have 61% of their average alloy composition in common. There are 27 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 C62400 bronze and the bottom bar is C68300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 11 to 14
15
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 42
40
Shear Strength, MPa 420 to 440
260
Tensile Strength: Ultimate (UTS), MPa 690 to 730
430
Tensile Strength: Yield (Proof), MPa 270 to 350
260

Thermal Properties

Latent Heat of Fusion, J/g 230
180
Maximum Temperature: Mechanical, °C 220
120
Melting Completion (Liquidus), °C 1040
900
Melting Onset (Solidus), °C 1030
890
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 59
120
Thermal Expansion, µm/m-K 18
20

Otherwise Unclassified Properties

Base Metal Price, % relative 27
23
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 3.2
2.8
Embodied Energy, MJ/kg 53
46
Embodied Water, L/kg 400
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 77
56
Resilience: Unit (Modulus of Resilience), kJ/m3 320 to 550
330
Stiffness to Weight: Axial, points 7.6
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 23 to 25
15
Strength to Weight: Bending, points 21 to 22
16
Thermal Diffusivity, mm2/s 16
38
Thermal Shock Resistance, points 25 to 26
14

Alloy Composition

Aluminum (Al), % 10 to 11.5
0
Antimony (Sb), % 0
0.3 to 1.0
Cadmium (Cd), % 0
0 to 0.010
Copper (Cu), % 82.8 to 88
59 to 63
Iron (Fe), % 2.0 to 4.5
0
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0 to 0.3
0
Silicon (Si), % 0 to 0.25
0.3 to 1.0
Tin (Sn), % 0 to 0.2
0.050 to 0.2
Zinc (Zn), % 0
34.2 to 40.4
Residuals, % 0
0 to 0.5