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ASTM A27 Cast Steel vs. ASTM A372 Grade J Steel

Both ASTM A27 cast steel and ASTM A372 grade J steel are iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A27 cast steel and the bottom bar is ASTM A372 grade J steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25 to 27
17 to 22
Fatigue Strength, MPa 170 to 230
310 to 570
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 460 to 550
650 to 1020
Tensile Strength: Yield (Proof), MPa 230 to 310
430 to 850

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
420
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
44
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0 to 7.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 18
20
Embodied Water, L/kg 45 to 46
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 120
130 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 260
500 to 1930
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 20
23 to 36
Strength to Weight: Bending, points 17 to 19
21 to 29
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 15 to 18
19 to 30

Comparable Variants