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CC751S Brass vs. C81500 Copper

Both CC751S 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 CC751S brass and the bottom bar is C81500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
110
Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 5.6
17
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 450
350
Tensile Strength: Yield (Proof), MPa 320
280

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 130
200
Melting Completion (Liquidus), °C 850
1090
Melting Onset (Solidus), °C 810
1080
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 110
320
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
82
Electrical Conductivity: Equal Weight (Specific), % IACS 28
83

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.1
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 23
56
Resilience: Unit (Modulus of Resilience), kJ/m3 480
330
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 15
11
Strength to Weight: Bending, points 16
12
Thermal Diffusivity, mm2/s 35
91
Thermal Shock Resistance, points 15
12

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.1
Antimony (Sb), % 0 to 0.5
0
Chromium (Cr), % 0
0.4 to 1.5
Copper (Cu), % 62.7 to 66
97.4 to 99.6
Iron (Fe), % 0.25 to 0.5
0 to 0.1
Lead (Pb), % 0.8 to 2.2
0 to 0.020
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.8
0
Silicon (Si), % 0.65 to 1.1
0 to 0.15
Tin (Sn), % 0 to 0.8
0 to 0.1
Zinc (Zn), % 27.9 to 35.6
0 to 0.1
Residuals, % 0
0 to 0.5