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ASTM A414 Steel vs. SAE-AISI A6 Steel

Both ASTM A414 steel and SAE-AISI A6 steel are iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM A414 steel and the bottom bar is SAE-AISI A6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 360 to 590
750 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49 to 50
41
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.3
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.4
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
3.7
Density, g/cm3 7.8 to 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
1.8
Embodied Energy, MJ/kg 20 to 22
24
Embodied Water, L/kg 48
57

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 13 to 21
27 to 71
Strength to Weight: Bending, points 14 to 20
23 to 45
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 11 to 17
25 to 65