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CC760S Brass vs. CC751S Brass

Both CC760S brass and CC751S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 79% of their average alloy composition in common.

For each property being compared, the top bar is CC760S brass and the bottom bar is CC751S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 51
130
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 22
5.6
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 180
450
Tensile Strength: Yield (Proof), MPa 80
320

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 1000
850
Melting Onset (Solidus), °C 940
810
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 150
110
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
25
Electrical Conductivity: Equal Weight (Specific), % IACS 40
28

Otherwise Unclassified Properties

Base Metal Price, % relative 28
24
Density, g/cm3 8.6
8.1
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 43
46
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
23
Resilience: Unit (Modulus of Resilience), kJ/m3 29
480
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 5.8
15
Strength to Weight: Bending, points 8.2
16
Thermal Diffusivity, mm2/s 45
35
Thermal Shock Resistance, points 6.2
15

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.1
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0.050 to 0.15
0
Copper (Cu), % 83 to 88
62.7 to 66
Iron (Fe), % 0 to 0.15
0.25 to 0.5
Lead (Pb), % 0 to 0.5
0.8 to 2.2
Manganese (Mn), % 0 to 0.1
0 to 0.15
Nickel (Ni), % 0 to 0.1
0 to 0.8
Silicon (Si), % 0 to 0.020
0.65 to 1.1
Tin (Sn), % 0 to 0.3
0 to 0.8
Zinc (Zn), % 10.7 to 17
27.9 to 35.6