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SAE-AISI T6 Steel vs. Austenitic Grey Cast Iron

Both SAE-AISI T6 steel and austenitic grey cast iron are iron alloys. There are 20 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 SAE-AISI T6 steel and the bottom bar is austenitic grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
180
Poisson's Ratio 0.29
0.29 to 0.3
Shear Modulus, GPa 81
69 to 72
Tensile Strength: Ultimate (UTS), MPa 880 to 2150
150 to 230

Thermal Properties

Latent Heat of Fusion, J/g 250
280 to 350
Melting Completion (Liquidus), °C 1830
1340 to 1400
Melting Onset (Solidus), °C 1770
1290 to 1350
Specific Heat Capacity, J/kg-K 400
470 to 490
Thermal Expansion, µm/m-K 12
13 to 14

Otherwise Unclassified Properties

Base Metal Price, % relative 70
14 to 24
Density, g/cm3 9.5
7.7 to 8.1
Embodied Carbon, kg CO2/kg material 11
3.1 to 4.7
Embodied Energy, MJ/kg 170
43 to 65
Embodied Water, L/kg 160
93 to 120

Common Calculations

PREN (Pitting Resistance) 39
2.0 to 5.0
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
23 to 25
Strength to Weight: Axial, points 26 to 63
5.3 to 8.2
Strength to Weight: Bending, points 21 to 39
7.9 to 11
Thermal Shock Resistance, points 26 to 64
4.5 to 6.5