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CC750S Brass vs. CC762S Brass

Both CC750S brass and CC762S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is CC750S brass and the bottom bar is CC762S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 54
210
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 13
7.3
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 200
840
Tensile Strength: Yield (Proof), MPa 80
540

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 130
160
Melting Completion (Liquidus), °C 860
920
Melting Onset (Solidus), °C 810
870
Specific Heat Capacity, J/kg-K 380
420
Thermal Conductivity, W/m-K 110
51
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
28
Electrical Conductivity: Equal Weight (Specific), % IACS 26
32

Otherwise Unclassified Properties

Base Metal Price, % relative 25
24
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 2.8
3.1
Embodied Energy, MJ/kg 46
51
Embodied Water, L/kg 330
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
54
Resilience: Unit (Modulus of Resilience), kJ/m3 30
1290
Stiffness to Weight: Axial, points 7.1
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 6.8
29
Strength to Weight: Bending, points 9.3
25
Thermal Diffusivity, mm2/s 35
15
Thermal Shock Resistance, points 6.7
27

Alloy Composition

Aluminum (Al), % 0 to 0.1
3.0 to 7.0
Antimony (Sb), % 0
0 to 0.030
Copper (Cu), % 62 to 67
57 to 67
Iron (Fe), % 0 to 0.8
1.5 to 4.0
Lead (Pb), % 1.0 to 3.0
0 to 0.2
Manganese (Mn), % 0 to 0.2
2.5 to 5.0
Nickel (Ni), % 0 to 1.0
0 to 3.0
Phosphorus (P), % 0 to 0.050
0 to 0.030
Silicon (Si), % 0 to 0.050
0 to 0.1
Tin (Sn), % 0 to 1.5
0 to 0.2
Zinc (Zn), % 26.3 to 36
13.4 to 36