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C61400 Bronze vs. C19800 Copper

Both C61400 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 C61400 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, % 34 to 40
9.0 to 12
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Shear Strength, MPa 370 to 380
260 to 330
Tensile Strength: Ultimate (UTS), MPa 540 to 570
430 to 550
Tensile Strength: Yield (Proof), MPa 220 to 270
420 to 550

Thermal Properties

Latent Heat of Fusion, J/g 220
210
Maximum Temperature: Mechanical, °C 220
200
Melting Completion (Liquidus), °C 1050
1070
Melting Onset (Solidus), °C 1040
1050
Specific Heat Capacity, J/kg-K 420
390
Thermal Conductivity, W/m-K 67
260
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
61
Electrical Conductivity: Equal Weight (Specific), % IACS 15
62

Otherwise Unclassified Properties

Base Metal Price, % relative 28
30
Density, g/cm3 8.5
8.9
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 48
43
Embodied Water, L/kg 360
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 170
49 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 310
770 to 1320
Stiffness to Weight: Axial, points 7.5
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 18 to 19
14 to 17
Strength to Weight: Bending, points 17 to 18
14 to 17
Thermal Diffusivity, mm2/s 19
75
Thermal Shock Resistance, points 18 to 20
15 to 20

Alloy Composition

Aluminum (Al), % 6.0 to 8.0
0
Copper (Cu), % 86 to 92.5
95.7 to 99.47
Iron (Fe), % 1.5 to 3.5
0.020 to 0.5
Lead (Pb), % 0 to 0.010
0
Magnesium (Mg), % 0
0.1 to 1.0
Manganese (Mn), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.015
0.010 to 0.1
Tin (Sn), % 0
0.1 to 1.0
Zinc (Zn), % 0 to 1.0
0.3 to 1.5
Residuals, % 0
0 to 0.2