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ASTM A588 Steel vs. SAE-AISI M42 Steel

Both ASTM A588 steel and SAE-AISI M42 steel are iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ASTM A588 steel and the bottom bar is SAE-AISI M42 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 550
810 to 2310

Thermal Properties

Latent Heat of Fusion, J/g 250 to 260
270
Melting Completion (Liquidus), °C 1460
1540
Melting Onset (Solidus), °C 1410 to 1420
1490
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 43 to 44
20
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 2.5
30
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
7.4
Embodied Energy, MJ/kg 20 to 22
100
Embodied Water, L/kg 50 to 51
140

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
28 to 79
Strength to Weight: Bending, points 19
24 to 48
Thermal Diffusivity, mm2/s 12
5.4
Thermal Shock Resistance, points 16
25 to 71