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ASTM A732 Cast Steel vs. SAE-AISI 1340 Steel

Both ASTM A732 cast steel and SAE-AISI 1340 steel are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A732 cast steel and the bottom bar is SAE-AISI 1340 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 440
160 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.0 to 25
11 to 23
Fatigue Strength, MPa 230 to 750
220 to 390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72 to 73
72
Tensile Strength: Ultimate (UTS), MPa 460 to 1470
540 to 730
Tensile Strength: Yield (Proof), MPa 310 to 1340
300 to 620

Thermal Properties

Latent Heat of Fusion, J/g 250 to 260
250
Maximum Temperature: Mechanical, °C 400 to 430
400
Melting Completion (Liquidus), °C 1440 to 1460
1450
Melting Onset (Solidus), °C 1400 to 1420
1410
Specific Heat Capacity, J/kg-K 470 to 480
470
Thermal Conductivity, W/m-K 39 to 50
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1 to 7.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0 to 3.8
1.9
Density, g/cm3 7.8 to 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4 to 1.7
1.4
Embodied Energy, MJ/kg 19 to 24
19
Embodied Water, L/kg 47 to 54
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 45 to 130
78 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 4770
240 to 1040
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 52
19 to 26
Strength to Weight: Bending, points 17 to 37
19 to 23
Thermal Diffusivity, mm2/s 10 to 14
14
Thermal Shock Resistance, points 14 to 43
17 to 23