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SAE-AISI M43 Steel vs. ASTM A414 Steel

Both SAE-AISI M43 steel and ASTM A414 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 SAE-AISI M43 steel and the bottom bar is ASTM A414 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 810 to 2290
360 to 590

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1550
1460
Melting Onset (Solidus), °C 1500
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 19
49 to 50
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 33
2.2
Density, g/cm3 8.2
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 8.5
1.5 to 1.6
Embodied Energy, MJ/kg 120
20 to 22
Embodied Water, L/kg 140
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 77
13 to 21
Strength to Weight: Bending, points 24 to 47
14 to 20
Thermal Diffusivity, mm2/s 5.3
13
Thermal Shock Resistance, points 25 to 71
11 to 17