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C21000 Brass vs. C95410 Bronze

Both C21000 brass and C95410 bronze are copper alloys. They have 84% of their average alloy composition in common. There are 28 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 C95410 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 2.9 to 50
9.1 to 13
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Tensile Strength: Ultimate (UTS), MPa 240 to 450
620 to 740
Tensile Strength: Yield (Proof), MPa 69 to 440
260 to 380

Thermal Properties

Latent Heat of Fusion, J/g 200
230
Maximum Temperature: Mechanical, °C 190
230
Melting Completion (Liquidus), °C 1070
1040
Melting Onset (Solidus), °C 1050
1030
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 230
59
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
13
Electrical Conductivity: Equal Weight (Specific), % IACS 57
14

Otherwise Unclassified Properties

Base Metal Price, % relative 30
28
Density, g/cm3 8.8
8.2
Embodied Carbon, kg CO2/kg material 2.6
3.3
Embodied Energy, MJ/kg 42
54
Embodied Water, L/kg 310
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
57 to 64
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 830
280 to 630
Stiffness to Weight: Axial, points 7.2
7.8
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 7.4 to 14
21 to 25
Strength to Weight: Bending, points 9.6 to 15
20 to 22
Thermal Diffusivity, mm2/s 69
16
Thermal Shock Resistance, points 8.1 to 15
22 to 26

Alloy Composition

Aluminum (Al), % 0
10 to 11.5
Copper (Cu), % 94 to 96
83 to 85.5
Iron (Fe), % 0 to 0.050
3.0 to 5.0
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
1.5 to 2.5
Zinc (Zn), % 3.7 to 6.0
0
Residuals, % 0
0 to 0.5