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CC762S Brass vs. CC753S Brass

Both CC762S brass and CC753S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 86% of their average alloy composition in common.

For each property being compared, the top bar is CC762S brass and the bottom bar is CC753S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
100
Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 7.3
17
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 840
340
Tensile Strength: Yield (Proof), MPa 540
170

Thermal Properties

Latent Heat of Fusion, J/g 200
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 920
820
Melting Onset (Solidus), °C 870
780
Specific Heat Capacity, J/kg-K 420
390
Thermal Conductivity, W/m-K 51
99
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
26
Electrical Conductivity: Equal Weight (Specific), % IACS 32
29

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 3.1
2.8
Embodied Energy, MJ/kg 51
47
Embodied Water, L/kg 350
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
47
Resilience: Unit (Modulus of Resilience), kJ/m3 1290
140
Stiffness to Weight: Axial, points 7.8
7.1
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 29
12
Strength to Weight: Bending, points 25
13
Thermal Diffusivity, mm2/s 15
32
Thermal Shock Resistance, points 27
11

Alloy Composition

Aluminum (Al), % 3.0 to 7.0
0.4 to 0.8
Antimony (Sb), % 0 to 0.030
0 to 0.050
Copper (Cu), % 57 to 67
56.8 to 60.5
Iron (Fe), % 1.5 to 4.0
0.5 to 0.8
Lead (Pb), % 0 to 0.2
1.8 to 2.5
Manganese (Mn), % 2.5 to 5.0
0 to 0.2
Nickel (Ni), % 0 to 3.0
0.5 to 1.2
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.1
0 to 0.050
Tin (Sn), % 0 to 0.2
0 to 0.8
Zinc (Zn), % 13.4 to 36
33.1 to 40