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C68400 Brass vs. CC750S Brass

Both C68400 brass and CC750S brass are copper alloys. They have a moderately high 94% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is CC750S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
54
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
13
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 540
200
Tensile Strength: Yield (Proof), MPa 310
80

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 130
130
Melting Completion (Liquidus), °C 840
860
Melting Onset (Solidus), °C 820
810
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 66
110
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
24
Electrical Conductivity: Equal Weight (Specific), % IACS 99
26

Otherwise Unclassified Properties

Base Metal Price, % relative 23
25
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 47
46
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
22
Resilience: Unit (Modulus of Resilience), kJ/m3 460
30
Stiffness to Weight: Axial, points 7.5
7.1
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 19
6.8
Strength to Weight: Bending, points 19
9.3
Thermal Diffusivity, mm2/s 21
35
Thermal Shock Resistance, points 18
6.7

Alloy Composition


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Aluminum (Al), % 0 to 0.5
0 to 0.1
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
62 to 67
Iron (Fe), % 0 to 1.0
0 to 0.8
Lead (Pb), % 0 to 0.090
1.0 to 3.0
Manganese (Mn), % 0.2 to 1.5
0 to 0.2
Nickel (Ni), % 0 to 0.5
0 to 1.0
Phosphorus (P), % 0.030 to 0.3
0 to 0.050
Silicon (Si), % 1.5 to 2.5
0 to 0.050
Tin (Sn), % 0 to 0.5
0 to 1.5
Zinc (Zn), % 28.6 to 39.3
26.3 to 36
Residuals, % 0 to 0.5
0