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C53400 Bronze vs. C72500 Copper-nickel

Both C53400 bronze and C72500 copper-nickel 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 C53400 bronze and the bottom bar is C72500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.34
0.34
Rockwell B Hardness 67 to 93
75 to 100
Rockwell Superficial 30T Hardness 33 to 79
62 to 89
Shear Modulus, GPa 42
45
Tensile Strength: Ultimate (UTS), MPa 330 to 720
420 to 780

Thermal Properties

Latent Heat of Fusion, J/g 200
210
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 1050
1130
Melting Onset (Solidus), °C 950
1060
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 69
54
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
11
Electrical Conductivity: Equal Weight (Specific), % IACS 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 32
35
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 3.0
3.6
Embodied Energy, MJ/kg 49
55
Embodied Water, L/kg 350
320

Common Calculations

Stiffness to Weight: Axial, points 7.0
7.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 10 to 22
13 to 24
Strength to Weight: Bending, points 12 to 20
14 to 21
Thermal Diffusivity, mm2/s 21
16
Thermal Shock Resistance, points 12 to 26
14 to 27

Alloy Composition

Copper (Cu), % 91.8 to 95.7
85.2 to 89.7
Iron (Fe), % 0 to 0.1
0 to 0.6
Lead (Pb), % 0.8 to 1.2
0 to 0.050
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
8.5 to 10.5
Phosphorus (P), % 0.030 to 0.35
0
Tin (Sn), % 3.5 to 5.8
1.8 to 2.8
Zinc (Zn), % 0 to 0.3
0 to 0.5
Residuals, % 0
0 to 0.2

Comparable Variants