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CC753S Brass vs. CC762S Brass

Both CC753S brass and CC762S 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 CC753S brass and the bottom bar is CC762S brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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