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C48500 Brass vs. CC761S Brass

Both C48500 brass and CC761S brass are copper alloys. They have 75% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C48500 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, % 13 to 40
8.7
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 39
42
Tensile Strength: Ultimate (UTS), MPa 400 to 500
540
Tensile Strength: Yield (Proof), MPa 160 to 320
340

Thermal Properties

Latent Heat of Fusion, J/g 170
260
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 900
960
Melting Onset (Solidus), °C 890
910
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 120
27
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
40
Electrical Conductivity: Equal Weight (Specific), % IACS 29
43

Otherwise Unclassified Properties

Base Metal Price, % relative 23
27
Density, g/cm3 8.1
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 56 to 140
41
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 500
530
Stiffness to Weight: Axial, points 7.1
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 14 to 17
18
Strength to Weight: Bending, points 15 to 17
18
Thermal Diffusivity, mm2/s 38
8.0
Thermal Shock Resistance, points 13 to 17
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.050
Copper (Cu), % 59 to 62
78 to 83
Iron (Fe), % 0 to 0.1
0 to 0.6
Lead (Pb), % 1.3 to 2.2
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), % 0.5 to 1.0
0 to 0.3
Zinc (Zn), % 34.3 to 39.2
8.9 to 19
Residuals, % 0 to 0.4
0