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C21000 Brass vs. C66100 Bronze

Both C21000 brass and C66100 bronze are copper alloys. They have a very high 95% of their average alloy composition in common. There are 27 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 C21000 brass and the bottom bar is C66100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 2.9 to 50
8.0 to 40
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Shear Strength, MPa 180 to 280
280 to 460
Tensile Strength: Ultimate (UTS), MPa 240 to 450
410 to 790
Tensile Strength: Yield (Proof), MPa 69 to 440
120 to 430

Thermal Properties

Latent Heat of Fusion, J/g 200
260
Maximum Temperature: Mechanical, °C 190
200
Melting Completion (Liquidus), °C 1070
1050
Melting Onset (Solidus), °C 1050
1000
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 230
34
Thermal Expansion, µm/m-K 18
17

Otherwise Unclassified Properties

Base Metal Price, % relative 30
29
Density, g/cm3 8.8
8.7
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 42
42
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
53 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 830
60 to 790
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.4 to 14
13 to 25
Strength to Weight: Bending, points 9.6 to 15
14 to 22
Thermal Diffusivity, mm2/s 69
9.7
Thermal Shock Resistance, points 8.1 to 15
15 to 29

Alloy Composition

Copper (Cu), % 94 to 96
92 to 97
Iron (Fe), % 0 to 0.050
0 to 0.25
Lead (Pb), % 0 to 0.030
0.2 to 0.8
Manganese (Mn), % 0
0 to 1.5
Silicon (Si), % 0
2.8 to 3.5
Zinc (Zn), % 3.7 to 6.0
0 to 1.5
Residuals, % 0
0 to 0.5

Comparable Variants