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CC755S Brass vs. C38000 Brass

Both CC755S brass and C38000 brass are copper alloys. They have a very high 97% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CC755S brass and the bottom bar is C38000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 9.5
17
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
39
Tensile Strength: Ultimate (UTS), MPa 390
380
Tensile Strength: Yield (Proof), MPa 250
120

Thermal Properties

Latent Heat of Fusion, J/g 170
170
Maximum Temperature: Mechanical, °C 120
110
Melting Completion (Liquidus), °C 820
800
Melting Onset (Solidus), °C 780
760
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 21
21

Otherwise Unclassified Properties

Base Metal Price, % relative 23
22
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
46
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
50
Resilience: Unit (Modulus of Resilience), kJ/m3 290
74
Stiffness to Weight: Axial, points 7.1
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 14
13
Strength to Weight: Bending, points 15
14
Thermal Diffusivity, mm2/s 38
37
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
0 to 0.5
Copper (Cu), % 59.5 to 61
55 to 60
Iron (Fe), % 0.050 to 0.2
0 to 0.35
Lead (Pb), % 1.2 to 1.7
1.5 to 2.5
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 0 to 0.050
0
Tin (Sn), % 0 to 0.3
0 to 0.3
Zinc (Zn), % 35.8 to 38.9
35.9 to 43.5
Residuals, % 0
0 to 0.5