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C47940 Brass vs. CC761S Brass

Both C47940 brass and CC761S brass are copper alloys. They have 80% 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 C47940 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, % 14 to 34
8.7
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 380 to 520
540
Tensile Strength: Yield (Proof), MPa 160 to 390
340

Thermal Properties

Latent Heat of Fusion, J/g 170
260
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 850
960
Melting Onset (Solidus), °C 800
910
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 110
27
Thermal Expansion, µm/m-K 20
18

Otherwise Unclassified Properties

Base Metal Price, % relative 25
27
Density, g/cm3 8.2
8.3
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 47
45
Embodied Water, L/kg 330
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
41
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 740
530
Stiffness to Weight: Axial, points 7.1
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13 to 17
18
Strength to Weight: Bending, points 14 to 17
18
Thermal Diffusivity, mm2/s 36
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), % 63 to 66
78 to 83
Iron (Fe), % 0.1 to 1.0
0 to 0.6
Lead (Pb), % 1.0 to 2.0
0 to 0.8
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0.1 to 0.5
0 to 1.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
3.0 to 5.0
Tin (Sn), % 1.2 to 2.0
0 to 0.3
Zinc (Zn), % 28.1 to 34.6
8.9 to 19
Residuals, % 0 to 0.4
0