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CC752S Brass vs. CC751S Brass

Both CC752S brass and CC751S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is CC752S 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, % 8.4
5.6
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 350
450
Tensile Strength: Yield (Proof), MPa 190
320

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 130
130
Melting Completion (Liquidus), °C 840
850
Melting Onset (Solidus), °C 800
810
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
110
Thermal Expansion, µm/m-K 21
20

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 24
24
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 46
46
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
23
Resilience: Unit (Modulus of Resilience), kJ/m3 180
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 35
35
Thermal Shock Resistance, points 12
15

Alloy Composition

Aluminum (Al), % 0.3 to 0.7
0 to 0.1
Antimony (Sb), % 0 to 0.14
0 to 0.5
Arsenic (As), % 0.040 to 0.14
0
Copper (Cu), % 61.5 to 64.5
62.7 to 66
Iron (Fe), % 0 to 0.3
0.25 to 0.5
Lead (Pb), % 1.5 to 2.2
0.8 to 2.2
Manganese (Mn), % 0 to 0.1
0 to 0.15
Nickel (Ni), % 0 to 0.2
0 to 0.8
Silicon (Si), % 0 to 0.020
0.65 to 1.1
Tin (Sn), % 0 to 0.3
0 to 0.8
Zinc (Zn), % 31.5 to 36.7
27.9 to 35.6