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C65400 Bronze vs. C71000 Copper-nickel

Both C65400 bronze and C71000 copper-nickel are copper alloys. They have 77% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C65400 bronze and the bottom bar is C71000 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Poisson's Ratio 0.34
0.33
Rockwell B Hardness 82 to 120
59 to 85
Rockwell Superficial 30T Hardness 71 to 92
56 to 73
Shear Modulus, GPa 43
49
Tensile Strength: Ultimate (UTS), MPa 500 to 1060
320 to 560

Thermal Properties

Latent Heat of Fusion, J/g 260
230
Maximum Temperature: Mechanical, °C 200
240
Melting Completion (Liquidus), °C 1020
1200
Melting Onset (Solidus), °C 960
1150
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 36
43
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 31
37
Density, g/cm3 8.7
8.9
Embodied Carbon, kg CO2/kg material 2.8
4.3
Embodied Energy, MJ/kg 45
63
Embodied Water, L/kg 310
290

Common Calculations

Stiffness to Weight: Axial, points 7.3
8.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16 to 34
10 to 18
Strength to Weight: Bending, points 16 to 27
12 to 17
Thermal Diffusivity, mm2/s 10
12
Thermal Shock Resistance, points 18 to 39
12 to 20

Alloy Composition

Chromium (Cr), % 0.010 to 0.12
0
Copper (Cu), % 93.8 to 96.1
73.5 to 80.5
Iron (Fe), % 0
0.5 to 1.0
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
19 to 23
Silicon (Si), % 2.7 to 3.4
0
Tin (Sn), % 1.2 to 1.9
0
Zinc (Zn), % 0 to 0.5
0 to 1.0
Residuals, % 0
0 to 0.5

Comparable Variants