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O60 C61500 Bronze vs. O60 C71520 Copper-nickel

Both O60 C61500 bronze and O60 C71520 copper-nickel are copper alloys. Both are furnished in the O60 (soft annealed) temper. They have 71% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is O60 C61500 bronze and the bottom bar is O60 C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
140
Elongation at Break, % 55
34
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 42
51
Shear Strength, MPa 350
250
Tensile Strength: Ultimate (UTS), MPa 480
370
Tensile Strength: Yield (Proof), MPa 150
140

Thermal Properties

Latent Heat of Fusion, J/g 220
230
Maximum Temperature: Mechanical, °C 220
260
Melting Completion (Liquidus), °C 1040
1170
Melting Onset (Solidus), °C 1030
1120
Specific Heat Capacity, J/kg-K 430
400
Thermal Conductivity, W/m-K 58
32
Thermal Expansion, µm/m-K 18
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 13
5.8

Otherwise Unclassified Properties

Base Metal Price, % relative 29
40
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 3.2
5.0
Embodied Energy, MJ/kg 52
73
Embodied Water, L/kg 380
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
99
Resilience: Unit (Modulus of Resilience), kJ/m3 100
67
Stiffness to Weight: Axial, points 7.5
8.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16
12
Strength to Weight: Bending, points 16
13
Thermal Diffusivity, mm2/s 16
8.9
Thermal Shock Resistance, points 17
12

Alloy Composition

Aluminum (Al), % 7.7 to 8.3
0
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 89 to 90.5
65 to 71.6
Iron (Fe), % 0
0.4 to 1.0
Lead (Pb), % 0 to 0.015
0 to 0.020
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 1.8 to 2.2
28 to 33
Phosphorus (P), % 0
0 to 0.2
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5