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ASTM A27 Cast Steel vs. SAE-AISI 1038 Steel

Both ASTM A27 cast steel and SAE-AISI 1038 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 A27 cast steel and the bottom bar is SAE-AISI 1038 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25 to 27
14 to 20
Fatigue Strength, MPa 170 to 230
220 to 350
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34 to 40
40 to 45
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 460 to 550
590 to 640
Tensile Strength: Yield (Proof), MPa 230 to 310
320 to 540

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
51
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0 to 7.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.0

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 120
83 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 260
270 to 790
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 20
21 to 23
Strength to Weight: Bending, points 17 to 19
20 to 21
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 15 to 18
19 to 20