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ASTM A732 Cast Steel vs. C12900 Copper

ASTM A732 cast steel belongs to the iron alloys classification, while C12900 copper belongs to the copper alloys. There are 28 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 A732 cast steel and the bottom bar is C12900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 4.0 to 25
2.8 to 50
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72 to 73
43
Tensile Strength: Ultimate (UTS), MPa 460 to 1470
220 to 420
Tensile Strength: Yield (Proof), MPa 310 to 1340
75 to 380

Thermal Properties

Latent Heat of Fusion, J/g 250 to 260
210
Maximum Temperature: Mechanical, °C 400 to 430
200
Melting Completion (Liquidus), °C 1440 to 1460
1080
Melting Onset (Solidus), °C 1400 to 1420
1030
Specific Heat Capacity, J/kg-K 470 to 480
390
Thermal Conductivity, W/m-K 39 to 50
380
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1 to 7.7
98
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.9
98

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0 to 3.8
32
Density, g/cm3 7.8 to 7.9
9.0
Embodied Carbon, kg CO2/kg material 1.4 to 1.7
2.6
Embodied Energy, MJ/kg 19 to 24
41
Embodied Water, L/kg 47 to 54
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 45 to 130
11 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 4770
24 to 640
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 16 to 52
6.8 to 13
Strength to Weight: Bending, points 17 to 37
9.1 to 14
Thermal Diffusivity, mm2/s 10 to 14
110
Thermal Shock Resistance, points 14 to 43
7.8 to 15