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ASTM A27 Cast Steel vs. SAE-AISI 1084 Steel

Both ASTM A27 cast steel and SAE-AISI 1084 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 1084 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25 to 27
11
Fatigue Strength, MPa 170 to 230
320 to 370
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34 to 40
28 to 45
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 460 to 550
780 to 930
Tensile Strength: Yield (Proof), MPa 230 to 310
510 to 600

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
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
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.2

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
19
Embodied Water, L/kg 45 to 46
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 120
81 to 89
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 260
700 to 960
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 20
28 to 33
Strength to Weight: Bending, points 17 to 19
24 to 27
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 15 to 18
25 to 30