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CC753S Brass vs. CC751S Brass

Both CC753S brass and CC751S 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 CC753S brass and the bottom bar is CC751S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
130
Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
5.6
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 340
450
Tensile Strength: Yield (Proof), MPa 170
320

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 120
130
Melting Completion (Liquidus), °C 820
850
Melting Onset (Solidus), °C 780
810
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 99
110
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
25
Electrical Conductivity: Equal Weight (Specific), % IACS 29
28

Otherwise Unclassified Properties

Base Metal Price, % relative 23
24
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 47
46
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47
23
Resilience: Unit (Modulus of Resilience), kJ/m3 140
480
Stiffness to Weight: Axial, points 7.1
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12
15
Strength to Weight: Bending, points 13
16
Thermal Diffusivity, mm2/s 32
35
Thermal Shock Resistance, points 11
15

Alloy Composition

Aluminum (Al), % 0.4 to 0.8
0 to 0.1
Antimony (Sb), % 0 to 0.050
0 to 0.5
Copper (Cu), % 56.8 to 60.5
62.7 to 66
Iron (Fe), % 0.5 to 0.8
0.25 to 0.5
Lead (Pb), % 1.8 to 2.5
0.8 to 2.2
Manganese (Mn), % 0 to 0.2
0 to 0.15
Nickel (Ni), % 0.5 to 1.2
0 to 0.8
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.050
0.65 to 1.1
Tin (Sn), % 0 to 0.8
0 to 0.8
Zinc (Zn), % 33.1 to 40
27.9 to 35.6