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ASTM A27 Cast Steel vs. C12900 Copper

ASTM A27 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 A27 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, % 25 to 27
2.8 to 50
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Tensile Strength: Ultimate (UTS), MPa 460 to 550
220 to 420
Tensile Strength: Yield (Proof), MPa 230 to 310
75 to 380

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 400
200
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1420
1030
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 52
380
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0 to 7.1
98
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
98

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
32
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 18
41
Embodied Water, L/kg 45 to 46
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 120
11 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 260
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 20
6.8 to 13
Strength to Weight: Bending, points 17 to 19
9.1 to 14
Thermal Diffusivity, mm2/s 14
110
Thermal Shock Resistance, points 15 to 18
7.8 to 15