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C38000 Brass vs. CC761S Brass

Both C38000 brass and CC761S brass are copper alloys. They have 72% 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 C38000 brass and the bottom bar is CC761S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
8.7
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 39
42
Tensile Strength: Ultimate (UTS), MPa 380
540
Tensile Strength: Yield (Proof), MPa 120
340

Thermal Properties

Latent Heat of Fusion, J/g 170
260
Maximum Temperature: Mechanical, °C 110
170
Melting Completion (Liquidus), °C 800
960
Melting Onset (Solidus), °C 760
910
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 110
27
Thermal Expansion, µm/m-K 21
18

Otherwise Unclassified Properties

Base Metal Price, % relative 22
27
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
45
Embodied Water, L/kg 330
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
41
Resilience: Unit (Modulus of Resilience), kJ/m3 74
530
Stiffness to Weight: Axial, points 7.1
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13
18
Strength to Weight: Bending, points 14
18
Thermal Diffusivity, mm2/s 37
8.0
Thermal Shock Resistance, points 13
19

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.1
Antimony (Sb), % 0
0 to 0.050
Copper (Cu), % 55 to 60
78 to 83
Iron (Fe), % 0 to 0.35
0 to 0.6
Lead (Pb), % 1.5 to 2.5
0 to 0.8
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
3.0 to 5.0
Tin (Sn), % 0 to 0.3
0 to 0.3
Zinc (Zn), % 35.9 to 43.5
8.9 to 19
Residuals, % 0 to 0.5
0