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C70700 Copper-nickel vs. ASTM A217 Cast Steel

C70700 copper-nickel belongs to the copper alloys classification, while ASTM A217 cast steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C70700 copper-nickel and the bottom bar is ASTM A217 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
160 to 210
Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 39
21 to 27
Poisson's Ratio 0.34
0.28 to 0.29
Shear Modulus, GPa 46
73 to 75
Tensile Strength: Ultimate (UTS), MPa 320
540 to 710
Tensile Strength: Yield (Proof), MPa 110
270 to 460

Thermal Properties

Latent Heat of Fusion, J/g 220
250 to 270
Maximum Temperature: Mechanical, °C 220
410 to 600
Melting Completion (Liquidus), °C 1120
1450 to 1460
Melting Onset (Solidus), °C 1060
1410 to 1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 59
26 to 50
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.3 to 9.2
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.4 to 11

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.4 to 7.0
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.5 to 2.1
Embodied Energy, MJ/kg 52
20 to 28
Embodied Water, L/kg 300
47 to 87

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 51
190 to 570
Stiffness to Weight: Axial, points 7.6
13 to 14
Stiffness to Weight: Bending, points 19
24 to 25
Strength to Weight: Axial, points 10
19 to 25
Strength to Weight: Bending, points 12
19 to 23
Thermal Diffusivity, mm2/s 17
6.9 to 14
Thermal Shock Resistance, points 12
16 to 20