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ASTM A148 Cast Steel vs. C70700 Copper-nickel

ASTM A148 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 (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A148 cast steel and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 390
73
Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 5.7 to 25
39
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
46
Tensile Strength: Ultimate (UTS), MPa 630 to 1300
320
Tensile Strength: Yield (Proof), MPa 390 to 1160
110

Thermal Properties

Latent Heat of Fusion, J/g 250
220
Maximum Temperature: Mechanical, °C 400 to 430
220
Melting Completion (Liquidus), °C 1460
1120
Melting Onset (Solidus), °C 1420
1060
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 37 to 47
59
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3 to 7.5
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.6
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 3.3
34
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
3.4
Embodied Energy, MJ/kg 20 to 22
52
Embodied Water, L/kg 48 to 53
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
100
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 3570
51
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 22 to 46
10
Strength to Weight: Bending, points 21 to 34
12
Thermal Diffusivity, mm2/s 9.9 to 13
17
Thermal Shock Resistance, points 18 to 38
12