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CC751S Brass vs. CC760S Brass

Both CC751S brass and CC760S 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 CC751S brass and the bottom bar is CC760S brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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