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C31400 Bronze vs. C19800 Copper

Both C31400 bronze and C19800 copper are copper alloys. They have a moderately high 90% of their average alloy composition in common.

For each property being compared, the top bar is C31400 bronze and the bottom bar is C19800 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 6.8 to 29
9.0 to 12
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
43
Shear Strength, MPa 180 to 240
260 to 330
Tensile Strength: Ultimate (UTS), MPa 270 to 420
430 to 550
Tensile Strength: Yield (Proof), MPa 78 to 310
420 to 550

Thermal Properties

Latent Heat of Fusion, J/g 200
210
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 1040
1070
Melting Onset (Solidus), °C 1010
1050
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 180
260
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
61
Electrical Conductivity: Equal Weight (Specific), % IACS 43
62

Otherwise Unclassified Properties

Base Metal Price, % relative 29
30
Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 42
43
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 59
49 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 420
770 to 1320
Stiffness to Weight: Axial, points 7.1
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.7 to 13
14 to 17
Strength to Weight: Bending, points 11 to 14
14 to 17
Thermal Diffusivity, mm2/s 54
75
Thermal Shock Resistance, points 9.6 to 15
15 to 20

Alloy Composition


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Copper (Cu), % 87.5 to 90.5
95.7 to 99.47
Iron (Fe), % 0 to 0.1
0.020 to 0.5
Lead (Pb), % 1.3 to 2.5
0
Magnesium (Mg), % 0
0.1 to 1.0
Nickel (Ni), % 0 to 0.7
0
Phosphorus (P), % 0
0.010 to 0.1
Tin (Sn), % 0
0.1 to 1.0
Zinc (Zn), % 5.8 to 11.2
0.3 to 1.5
Residuals, % 0 to 0.4
0 to 0.2

Comparable Variants