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CC750S Brass vs. C67300 Bronze

Both CC750S brass and C67300 bronze are copper alloys. They have a moderately high 94% of their average alloy composition in common. There are 28 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 CC750S brass and the bottom bar is C67300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 13
12
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 200
500
Tensile Strength: Yield (Proof), MPa 80
340

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 130
130
Melting Completion (Liquidus), °C 860
870
Melting Onset (Solidus), °C 810
830
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
95
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
22
Electrical Conductivity: Equal Weight (Specific), % IACS 26
25

Otherwise Unclassified Properties

Base Metal Price, % relative 25
23
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 46
46
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
55
Resilience: Unit (Modulus of Resilience), kJ/m3 30
550
Stiffness to Weight: Axial, points 7.1
7.4
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 6.8
17
Strength to Weight: Bending, points 9.3
17
Thermal Diffusivity, mm2/s 35
30
Thermal Shock Resistance, points 6.7
16

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.25
Copper (Cu), % 62 to 67
58 to 63
Iron (Fe), % 0 to 0.8
0 to 0.5
Lead (Pb), % 1.0 to 3.0
0.4 to 3.0
Manganese (Mn), % 0 to 0.2
2.0 to 3.5
Nickel (Ni), % 0 to 1.0
0 to 0.25
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.050
0.5 to 1.5
Tin (Sn), % 0 to 1.5
0 to 0.3
Zinc (Zn), % 26.3 to 36
27.2 to 39.1
Residuals, % 0
0 to 0.5