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C47940 Brass vs. C66100 Bronze

Both C47940 brass and C66100 bronze are copper alloys. They have 66% of their average alloy composition in common.

For each property being compared, the top bar is C47940 brass and the bottom bar is C66100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 14 to 34
8.0 to 40
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
43
Shear Strength, MPa 250 to 310
280 to 460
Tensile Strength: Ultimate (UTS), MPa 380 to 520
410 to 790
Tensile Strength: Yield (Proof), MPa 160 to 390
120 to 430

Thermal Properties

Latent Heat of Fusion, J/g 170
260
Maximum Temperature: Mechanical, °C 130
200
Melting Completion (Liquidus), °C 850
1050
Melting Onset (Solidus), °C 800
1000
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 110
34
Thermal Expansion, µm/m-K 20
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
29
Density, g/cm3 8.2
8.7
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 47
42
Embodied Water, L/kg 330
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
53 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 740
60 to 790
Stiffness to Weight: Axial, points 7.1
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13 to 17
13 to 25
Strength to Weight: Bending, points 14 to 17
14 to 22
Thermal Diffusivity, mm2/s 36
9.7
Thermal Shock Resistance, points 13 to 17
15 to 29

Alloy Composition

Copper (Cu), % 63 to 66
92 to 97
Iron (Fe), % 0.1 to 1.0
0 to 0.25
Lead (Pb), % 1.0 to 2.0
0.2 to 0.8
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0.1 to 0.5
0
Silicon (Si), % 0
2.8 to 3.5
Tin (Sn), % 1.2 to 2.0
0
Zinc (Zn), % 28.1 to 34.6
0 to 1.5
Residuals, % 0
0 to 0.5

Comparable Variants