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ASTM A217 Cast Steel vs. ACI-ASTM CB7Cu-2 Steel

Both ASTM A217 cast steel and ACI-ASTM CB7Cu-2 steel are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A217 cast steel and the bottom bar is ACI-ASTM CB7Cu-2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 210
300 to 420
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21 to 27
5.7 to 11
Fatigue Strength, MPa 200 to 320
420 to 590
Poisson's Ratio 0.28 to 0.29
0.28
Shear Modulus, GPa 73 to 75
75
Tensile Strength: Ultimate (UTS), MPa 540 to 710
960 to 1350
Tensile Strength: Yield (Proof), MPa 270 to 460
760 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 250 to 270
280
Melting Completion (Liquidus), °C 1450 to 1460
1430
Melting Onset (Solidus), °C 1410 to 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26 to 50
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3 to 9.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4 to 11
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 7.0
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5 to 2.1
2.6
Embodied Energy, MJ/kg 20 to 28
38
Embodied Water, L/kg 47 to 87
130

Common Calculations

PREN (Pitting Resistance) 2.5 to 13
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
71 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 570
1510 to 3600
Stiffness to Weight: Axial, points 13 to 14
14
Stiffness to Weight: Bending, points 24 to 25
25
Strength to Weight: Axial, points 19 to 25
34 to 48
Strength to Weight: Bending, points 19 to 23
28 to 35
Thermal Diffusivity, mm2/s 6.9 to 14
4.6
Thermal Shock Resistance, points 16 to 20
32 to 45