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CR012A Copper vs. C93600 Bronze

Both CR012A copper and C93600 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 81% of their average alloy composition in common.

For each property being compared, the top bar is CR012A copper and the bottom bar is C93600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
99
Elongation at Break, % 15
14
Poisson's Ratio 0.34
0.35
Shear Modulus, GPa 43
36
Tensile Strength: Ultimate (UTS), MPa 220
260
Tensile Strength: Yield (Proof), MPa 130
140

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
150
Melting Completion (Liquidus), °C 1090
940
Melting Onset (Solidus), °C 1040
840
Specific Heat Capacity, J/kg-K 390
350
Thermal Conductivity, W/m-K 390
49
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
11
Electrical Conductivity: Equal Weight (Specific), % IACS 100
11

Otherwise Unclassified Properties

Base Metal Price, % relative 33
31
Density, g/cm3 9.0
9.0
Embodied Carbon, kg CO2/kg material 2.7
3.2
Embodied Energy, MJ/kg 42
51
Embodied Water, L/kg 360
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
31
Resilience: Unit (Modulus of Resilience), kJ/m3 76
98
Stiffness to Weight: Axial, points 7.2
6.1
Stiffness to Weight: Bending, points 18
17
Strength to Weight: Axial, points 6.8
7.9
Strength to Weight: Bending, points 9.0
9.9
Thermal Diffusivity, mm2/s 110
16
Thermal Shock Resistance, points 7.8
9.8

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.55
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.85 to 99.94
79 to 83
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0
11 to 13
Nickel (Ni), % 0
0 to 1.0
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
6.0 to 8.0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.7