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C31400 Bronze vs. C66700 Brass

Both C31400 bronze and C66700 brass are copper alloys. They have 79% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C31400 bronze and the bottom bar is C66700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 6.8 to 29
2.0 to 58
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
41
Shear Strength, MPa 180 to 240
250 to 530
Tensile Strength: Ultimate (UTS), MPa 270 to 420
340 to 690
Tensile Strength: Yield (Proof), MPa 78 to 310
100 to 640

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 180
140
Melting Completion (Liquidus), °C 1040
1090
Melting Onset (Solidus), °C 1010
1050
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 180
97
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
17
Electrical Conductivity: Equal Weight (Specific), % IACS 43
19

Otherwise Unclassified Properties

Base Metal Price, % relative 29
25
Density, g/cm3 8.8
8.2
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 42
45
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 59
13 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 420
49 to 1900
Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.7 to 13
11 to 23
Strength to Weight: Bending, points 11 to 14
13 to 21
Thermal Diffusivity, mm2/s 54
30
Thermal Shock Resistance, points 9.6 to 15
11 to 23

Alloy Composition


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Copper (Cu), % 87.5 to 90.5
68.5 to 71.5
Iron (Fe), % 0 to 0.1
0 to 0.1
Lead (Pb), % 1.3 to 2.5
0 to 0.070
Manganese (Mn), % 0
0.8 to 1.5
Nickel (Ni), % 0 to 0.7
0
Zinc (Zn), % 5.8 to 11.2
26.3 to 30.7
Residuals, % 0 to 0.4
0 to 0.5

Comparable Variants