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SAE-AISI M2 Steel vs. ASTM A217 Cast Steel

Both SAE-AISI M2 steel and ASTM A217 cast steel are iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M2 steel and the bottom bar is ASTM A217 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.28 to 0.29
Shear Modulus, GPa 77
73 to 75
Tensile Strength: Ultimate (UTS), MPa 760 to 2150
540 to 710

Thermal Properties

Latent Heat of Fusion, J/g 260
250 to 270
Melting Completion (Liquidus), °C 1610
1450 to 1460
Melting Onset (Solidus), °C 1570
1410 to 1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 22
26 to 50
Thermal Expansion, µm/m-K 10
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.4 to 7.0
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.8
1.5 to 2.1
Embodied Energy, MJ/kg 130
20 to 28
Embodied Water, L/kg 98
47 to 87

Common Calculations

PREN (Pitting Resistance) 31
2.5 to 13
Stiffness to Weight: Axial, points 13
13 to 14
Stiffness to Weight: Bending, points 23
24 to 25
Strength to Weight: Axial, points 25 to 71
19 to 25
Strength to Weight: Bending, points 22 to 44
19 to 23
Thermal Diffusivity, mm2/s 5.9
6.9 to 14
Thermal Shock Resistance, points 27 to 76
16 to 20