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C81400 Copper vs. ASTM A732 Cast Steel

C81400 copper belongs to the copper alloys classification, while ASTM A732 cast steel belongs to the iron alloys. There are 28 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 C81400 copper and the bottom bar is ASTM A732 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
4.0 to 25
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 41
72 to 73
Tensile Strength: Ultimate (UTS), MPa 370
460 to 1470
Tensile Strength: Yield (Proof), MPa 250
310 to 1340

Thermal Properties

Latent Heat of Fusion, J/g 210
250 to 260
Maximum Temperature: Mechanical, °C 200
400 to 430
Melting Completion (Liquidus), °C 1090
1440 to 1460
Melting Onset (Solidus), °C 1070
1400 to 1420
Specific Heat Capacity, J/kg-K 390
470 to 480
Thermal Conductivity, W/m-K 260
39 to 50
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
7.1 to 7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 61
8.2 to 8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 33
2.0 to 3.8
Density, g/cm3 8.9
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 2.8
1.4 to 1.7
Embodied Energy, MJ/kg 45
19 to 24
Embodied Water, L/kg 310
47 to 54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
45 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 260
260 to 4770
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 11
16 to 52
Strength to Weight: Bending, points 13
17 to 37
Thermal Diffusivity, mm2/s 75
10 to 14
Thermal Shock Resistance, points 13
14 to 43