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CC752S Brass vs. CC765S Brass

Both CC752S brass and CC765S 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 CC752S brass and the bottom bar is CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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