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SAE-AISI M48 Steel vs. Austenitic Grey Cast Iron

Both SAE-AISI M48 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 (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M48 steel and the bottom bar is austenitic grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Poisson's Ratio 0.29
0.29 to 0.3
Shear Modulus, GPa 78
69 to 72
Tensile Strength: Ultimate (UTS), MPa 890 to 2390
150 to 230

Thermal Properties

Latent Heat of Fusion, J/g 260
280 to 350
Melting Completion (Liquidus), °C 1670
1340 to 1400
Melting Onset (Solidus), °C 1620
1290 to 1350
Specific Heat Capacity, J/kg-K 420
470 to 490
Thermal Expansion, µm/m-K 12
13 to 14

Otherwise Unclassified Properties

Base Metal Price, % relative 48
14 to 24
Density, g/cm3 8.7
7.7 to 8.1
Embodied Carbon, kg CO2/kg material 13
3.1 to 4.7
Embodied Energy, MJ/kg 190
43 to 65
Embodied Water, L/kg 160
93 to 120

Common Calculations

PREN (Pitting Resistance) 37
2.0 to 5.0
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
23 to 25
Strength to Weight: Axial, points 28 to 76
5.3 to 8.2
Strength to Weight: Bending, points 23 to 45
7.9 to 11
Thermal Shock Resistance, points 26 to 71
4.5 to 6.5