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C70700 Copper-nickel vs. ASTM B522 Class II

C70700 copper-nickel belongs to the copper alloys classification, while ASTM B522 class II belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C70700 copper-nickel and the bottom bar is ASTM B522 class II.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
96
Elongation at Break, % 39
1.1 to 28
Poisson's Ratio 0.34
0.41
Shear Modulus, GPa 46
34
Shear Strength, MPa 220
180 to 280
Tensile Strength: Ultimate (UTS), MPa 320
280 to 490
Tensile Strength: Yield (Proof), MPa 110
120 to 210

Thermal Properties

Latent Heat of Fusion, J/g 220
77
Melting Completion (Liquidus), °C 1120
1030
Melting Onset (Solidus), °C 1060
1030
Specific Heat Capacity, J/kg-K 390
160
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
11
Electrical Conductivity: Equal Weight (Specific), % IACS 12
5.7

Otherwise Unclassified Properties

Density, g/cm3 8.9
17

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
4.4 to 63
Resilience: Unit (Modulus of Resilience), kJ/m3 51
75 to 230
Stiffness to Weight: Axial, points 7.6
3.1
Stiffness to Weight: Bending, points 19
8.9
Strength to Weight: Axial, points 10
4.4 to 7.8
Strength to Weight: Bending, points 12
5.5 to 8.0
Thermal Shock Resistance, points 12
13 to 24

Alloy Composition

Copper (Cu), % 88.5 to 90.5
0
Gold (Au), % 0
68.5 to 69.5
Iron (Fe), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 9.5 to 10.5
0
Platinum (Pt), % 0
5.5 to 6.5
Silver (Ag), % 0
24.5 to 25.5
Sulfur (S), % 0
0 to 0.010
Residuals, % 0
0 to 0.26