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O61 C61300 Bronze vs. O61 C70400 Copper-nickel

Both O61 C61300 bronze and O61 C70400 copper-nickel are copper alloys. Both are furnished in the O61 (annealed) temper. They have a moderately high 92% of their average alloy composition in common. There are 26 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 O61 C61300 bronze and the bottom bar is O61 C70400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
45
Tensile Strength: Ultimate (UTS), MPa 550
300
Tensile Strength: Yield (Proof), MPa 230
95

Thermal Properties

Latent Heat of Fusion, J/g 220
210
Maximum Temperature: Mechanical, °C 210
210
Melting Completion (Liquidus), °C 1050
1120
Melting Onset (Solidus), °C 1040
1060
Specific Heat Capacity, J/kg-K 420
390
Thermal Conductivity, W/m-K 55
64
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
14
Electrical Conductivity: Equal Weight (Specific), % IACS 13
14

Otherwise Unclassified Properties

Base Metal Price, % relative 29
32
Density, g/cm3 8.5
8.9
Embodied Carbon, kg CO2/kg material 3.0
3.0
Embodied Energy, MJ/kg 49
47
Embodied Water, L/kg 370
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 230
38
Stiffness to Weight: Axial, points 7.5
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 18
9.3
Strength to Weight: Bending, points 18
11
Thermal Diffusivity, mm2/s 15
18
Thermal Shock Resistance, points 19
10

Alloy Composition

Aluminum (Al), % 6.0 to 7.5
0
Copper (Cu), % 88 to 91.8
89.8 to 93.6
Iron (Fe), % 2.0 to 3.0
1.3 to 1.7
Lead (Pb), % 0 to 0.010
0 to 0.050
Manganese (Mn), % 0 to 0.2
0.3 to 0.8
Nickel (Ni), % 0 to 0.15
4.8 to 6.2
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0.2 to 0.5
0
Zinc (Zn), % 0 to 0.2
0 to 1.0
Residuals, % 0
0 to 0.5