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C70700 Copper-nickel vs. ASTM A302 Alloy Steel

C70700 copper-nickel belongs to the copper alloys classification, while ASTM A302 alloy steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C70700 copper-nickel and the bottom bar is ASTM A302 alloy steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 39
20 to 23
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 46
73
Shear Strength, MPa 220
370 to 390
Tensile Strength: Ultimate (UTS), MPa 320
590 to 620
Tensile Strength: Yield (Proof), MPa 110
350 to 390

Thermal Properties

Latent Heat of Fusion, J/g 220
250
Maximum Temperature: Mechanical, °C 220
410
Melting Completion (Liquidus), °C 1120
1460
Melting Onset (Solidus), °C 1060
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 59
39 to 51
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.2 to 7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.2 to 8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.4 to 3.0
Density, g/cm3 8.9
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 3.4
1.5 to 1.6
Embodied Energy, MJ/kg 52
20 to 21
Embodied Water, L/kg 300
48 to 50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 51
330 to 410
Stiffness to Weight: Axial, points 7.6
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 10
21 to 22
Strength to Weight: Bending, points 12
20 to 21
Thermal Diffusivity, mm2/s 17
10 to 14
Thermal Shock Resistance, points 12
17 to 18