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ASTM A732 Cast Steel vs. CC381H Copper-nickel

ASTM A732 cast steel belongs to the iron alloys classification, while CC381H copper-nickel belongs to the copper alloys. There are 29 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 ASTM A732 cast steel and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 440
91
Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 4.0 to 25
20
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72 to 73
52
Tensile Strength: Ultimate (UTS), MPa 460 to 1470
380
Tensile Strength: Yield (Proof), MPa 310 to 1340
140

Thermal Properties

Latent Heat of Fusion, J/g 250 to 260
240
Maximum Temperature: Mechanical, °C 400 to 430
260
Melting Completion (Liquidus), °C 1440 to 1460
1180
Melting Onset (Solidus), °C 1400 to 1420
1120
Specific Heat Capacity, J/kg-K 470 to 480
410
Thermal Conductivity, W/m-K 39 to 50
30
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1 to 7.7
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.9
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0 to 3.8
40
Density, g/cm3 7.8 to 7.9
8.9
Embodied Carbon, kg CO2/kg material 1.4 to 1.7
5.0
Embodied Energy, MJ/kg 19 to 24
73
Embodied Water, L/kg 47 to 54
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 45 to 130
60
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 4770
68
Stiffness to Weight: Axial, points 13
8.6
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 16 to 52
12
Strength to Weight: Bending, points 17 to 37
13
Thermal Diffusivity, mm2/s 10 to 14
8.4
Thermal Shock Resistance, points 14 to 43
13