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C66100 Bronze vs. C21000 Brass

Both C66100 bronze and C21000 brass 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 C66100 bronze and the bottom bar is C21000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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

Comparable Variants