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CC765S Brass vs. CC752S Brass

Both CC765S brass and CC752S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 93% of their average alloy composition in common.

For each property being compared, the top bar is CC765S brass and the bottom bar is CC752S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
100
Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 21
8.4
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 540
350
Tensile Strength: Yield (Proof), MPa 220
190

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 140
130
Melting Completion (Liquidus), °C 860
840
Melting Onset (Solidus), °C 820
800
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 91
110
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
25
Electrical Conductivity: Equal Weight (Specific), % IACS 34
28

Otherwise Unclassified Properties

Base Metal Price, % relative 24
24
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 51
46
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
25
Resilience: Unit (Modulus of Resilience), kJ/m3 220
180
Stiffness to Weight: Axial, points 7.6
7.1
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 19
12
Strength to Weight: Bending, points 18
13
Thermal Diffusivity, mm2/s 28
35
Thermal Shock Resistance, points 17
12

Alloy Composition

Aluminum (Al), % 0.5 to 2.5
0.3 to 0.7
Antimony (Sb), % 0 to 0.080
0 to 0.14
Arsenic (As), % 0
0.040 to 0.14
Copper (Cu), % 51 to 65
61.5 to 64.5
Iron (Fe), % 0.5 to 2.0
0 to 0.3
Lead (Pb), % 0 to 0.5
1.5 to 2.2
Manganese (Mn), % 0.3 to 3.0
0 to 0.1
Nickel (Ni), % 0 to 6.0
0 to 0.2
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.1
0 to 0.020
Tin (Sn), % 0 to 1.0
0 to 0.3
Zinc (Zn), % 19.8 to 47.7
31.5 to 36.7