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ASTM A217 Cast Steel vs. C70700 Copper-nickel

ASTM A217 cast steel belongs to the iron alloys classification, while C70700 copper-nickel belongs to the copper 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 ASTM A217 cast steel and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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