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H08 C53400 Bronze vs. H08 C72500 Copper-nickel

Both H08 C53400 bronze and H08 C72500 copper-nickel are copper alloys. Both are furnished in the H08 (spring) temper. They have a moderately high 90% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is H08 C53400 bronze and the bottom bar is H08 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 92
90
Rockwell Superficial 30T Hardness 78
76
Shear Modulus, GPa 42
45
Tensile Strength: Ultimate (UTS), MPa 670
640

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 21
20
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 21
16
Thermal Shock Resistance, points 24
22

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