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C31400 Bronze vs. C42500 Brass

Both C31400 bronze and C42500 brass are copper alloys. They have a very high 97% 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 C42500 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 49
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
42
Shear Strength, MPa 180 to 240
220 to 360
Tensile Strength: Ultimate (UTS), MPa 270 to 420
310 to 630
Tensile Strength: Yield (Proof), MPa 78 to 310
120 to 590

Thermal Properties

Latent Heat of Fusion, J/g 200
200
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 1040
1030
Melting Onset (Solidus), °C 1010
1010
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 180
120
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
28
Electrical Conductivity: Equal Weight (Specific), % IACS 43
29

Otherwise Unclassified Properties

Base Metal Price, % relative 29
30
Density, g/cm3 8.8
8.7
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 42
46
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 59
12 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 420
64 to 1570
Stiffness to Weight: Axial, points 7.1
7.1
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.7 to 13
9.9 to 20
Strength to Weight: Bending, points 11 to 14
12 to 19
Thermal Diffusivity, mm2/s 54
36
Thermal Shock Resistance, points 9.6 to 15
11 to 22

Alloy Composition


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Copper (Cu), % 87.5 to 90.5
87 to 90
Iron (Fe), % 0 to 0.1
0 to 0.050
Lead (Pb), % 1.3 to 2.5
0 to 0.050
Nickel (Ni), % 0 to 0.7
0
Phosphorus (P), % 0
0 to 0.35
Tin (Sn), % 0
1.5 to 3.0
Zinc (Zn), % 5.8 to 11.2
6.1 to 11.5
Residuals, % 0 to 0.4
0 to 0.5

Comparable Variants