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C31400 Bronze vs. C46400 Brass

Both C31400 bronze and C46400 brass are copper alloys. They have 69% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C31400 bronze and the bottom bar is C46400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 6.8 to 29
17 to 40
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
40
Shear Strength, MPa 180 to 240
270 to 310
Tensile Strength: Ultimate (UTS), MPa 270 to 420
400 to 500
Tensile Strength: Yield (Proof), MPa 78 to 310
160 to 320

Thermal Properties

Latent Heat of Fusion, J/g 200
170
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 1040
900
Melting Onset (Solidus), °C 1010
890
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 180
120
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
26
Electrical Conductivity: Equal Weight (Specific), % IACS 43
29

Otherwise Unclassified Properties

Base Metal Price, % relative 29
23
Density, g/cm3 8.8
8.0
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 42
47
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 59
76 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 420
120 to 500
Stiffness to Weight: Axial, points 7.1
7.2
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 8.7 to 13
14 to 17
Strength to Weight: Bending, points 11 to 14
15 to 17
Thermal Diffusivity, mm2/s 54
38
Thermal Shock Resistance, points 9.6 to 15
13 to 16

Alloy Composition

Copper (Cu), % 87.5 to 90.5
59 to 62
Iron (Fe), % 0 to 0.1
0 to 0.1
Lead (Pb), % 1.3 to 2.5
0 to 0.2
Nickel (Ni), % 0 to 0.7
0
Tin (Sn), % 0
0.5 to 1.0
Zinc (Zn), % 5.8 to 11.2
36.3 to 40.5
Residuals, % 0
0 to 0.4

Comparable Variants