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C31400 Bronze vs. C36000 Brass

Both C31400 bronze and C36000 brass are copper alloys. They have 72% of their average alloy composition in common.

For each property being compared, the top bar is C31400 bronze and the bottom bar is C36000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 6.8 to 29
5.8 to 23
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
39
Shear Strength, MPa 180 to 240
210 to 310
Tensile Strength: Ultimate (UTS), MPa 270 to 420
330 to 530
Tensile Strength: Yield (Proof), MPa 78 to 310
140 to 260

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
8.2
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 42
45
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 59
25 to 62
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 420
89 to 340
Stiffness to Weight: Axial, points 7.1
7.0
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.7 to 13
11 to 18
Strength to Weight: Bending, points 11 to 14
13 to 18
Thermal Diffusivity, mm2/s 54
37
Thermal Shock Resistance, points 9.6 to 15
11 to 18

Alloy Composition


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Copper (Cu), % 87.5 to 90.5
60 to 63
Iron (Fe), % 0 to 0.1
0 to 0.35
Lead (Pb), % 1.3 to 2.5
2.5 to 3.7
Nickel (Ni), % 0 to 0.7
0
Zinc (Zn), % 5.8 to 11.2
32.5 to 37.5
Residuals, % 0 to 0.4
0 to 0.5

Comparable Variants