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H08 C12200 Copper vs. H08 C70600 Copper-nickel

Both H08 C12200 copper and H08 C70600 copper-nickel are copper alloys. Both are furnished in the H08 (spring) temper. They have 87% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is H08 C12200 copper and the bottom bar is H08 C70600 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 4.0
3.0
Poisson's Ratio 0.34
0.34
Rockwell B Hardness 60
86
Rockwell Superficial 30T Hardness 63
75
Shear Modulus, GPa 43
46
Shear Strength, MPa 200
330
Tensile Strength: Ultimate (UTS), MPa 380
570
Tensile Strength: Yield (Proof), MPa 350
79

Thermal Properties

Latent Heat of Fusion, J/g 210
220
Maximum Temperature: Mechanical, °C 200
220
Melting Completion (Liquidus), °C 1080
1150
Melting Onset (Solidus), °C 1030
1100
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 340
44
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 85
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 85
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
33
Density, g/cm3 9.0
8.9
Embodied Carbon, kg CO2/kg material 2.6
3.4
Embodied Energy, MJ/kg 41
51
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
12
Resilience: Unit (Modulus of Resilience), kJ/m3 510
25
Stiffness to Weight: Axial, points 7.2
7.7
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 12
18
Strength to Weight: Bending, points 13
17
Thermal Diffusivity, mm2/s 98
13
Thermal Shock Resistance, points 13
19

Alloy Composition


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Copper (Cu), % 99.9 to 99.985
84.7 to 90
Iron (Fe), % 0
1.0 to 1.8
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
9.0 to 11
Phosphorus (P), % 0.015 to 0.040
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5