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CC750S Brass vs. C81500 Copper

Both CC750S brass and C81500 copper are copper alloys. They have 65% of their average alloy composition in common.

For each property being compared, the top bar is CC750S brass and the bottom bar is C81500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 54
110
Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 13
17
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 200
350
Tensile Strength: Yield (Proof), MPa 80
280

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 130
200
Melting Completion (Liquidus), °C 860
1090
Melting Onset (Solidus), °C 810
1080
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
320
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
82
Electrical Conductivity: Equal Weight (Specific), % IACS 26
83

Otherwise Unclassified Properties

Base Metal Price, % relative 25
31
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 46
41
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
56
Resilience: Unit (Modulus of Resilience), kJ/m3 30
330
Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 6.8
11
Strength to Weight: Bending, points 9.3
12
Thermal Diffusivity, mm2/s 35
91
Thermal Shock Resistance, points 6.7
12

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.1
Chromium (Cr), % 0
0.4 to 1.5
Copper (Cu), % 62 to 67
97.4 to 99.6
Iron (Fe), % 0 to 0.8
0 to 0.1
Lead (Pb), % 1.0 to 3.0
0 to 0.020
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.050
0 to 0.15
Tin (Sn), % 0 to 1.5
0 to 0.1
Zinc (Zn), % 26.3 to 36
0 to 0.1
Residuals, % 0
0 to 0.5