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ASTM A732 Cast Steel vs. ACI-ASTM CF3MN Steel

Both ASTM A732 cast steel and ACI-ASTM CF3MN 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 A732 cast steel and the bottom bar is ACI-ASTM CF3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 440
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.0 to 25
39
Fatigue Strength, MPa 230 to 750
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72 to 73
78
Tensile Strength: Ultimate (UTS), MPa 460 to 1470
580
Tensile Strength: Yield (Proof), MPa 310 to 1340
290

Thermal Properties

Latent Heat of Fusion, J/g 250 to 260
300
Maximum Temperature: Mechanical, °C 400 to 430
1010
Melting Completion (Liquidus), °C 1440 to 1460
1440
Melting Onset (Solidus), °C 1400 to 1420
1390
Specific Heat Capacity, J/kg-K 470 to 480
480
Thermal Conductivity, W/m-K 39 to 50
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1 to 7.7
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.9
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0 to 3.8
19
Density, g/cm3 7.8 to 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4 to 1.7
3.9
Embodied Energy, MJ/kg 19 to 24
53
Embodied Water, L/kg 47 to 54
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 45 to 130
190
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 4770
210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 52
20
Strength to Weight: Bending, points 17 to 37
20
Thermal Diffusivity, mm2/s 10 to 14
4.1
Thermal Shock Resistance, points 14 to 43
13