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SAE-AISI A6 Steel vs. EN 1.7231 Steel

Both SAE-AISI A6 steel and EN 1.7231 steel are iron alloys. They have a very high 97% of their average alloy composition in common. 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 SAE-AISI A6 steel and the bottom bar is EN 1.7231 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 750 to 1990
790 to 930

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
46
Thermal Expansion, µm/m-K 12
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
2.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.5
Embodied Energy, MJ/kg 24
20
Embodied Water, L/kg 57
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 71
28 to 33
Strength to Weight: Bending, points 23 to 45
24 to 27
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 25 to 65
23 to 27

Alloy Composition

Carbon (C), % 0.65 to 0.75
0.38 to 0.45
Chromium (Cr), % 0.9 to 1.2
0.8 to 1.2
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 93 to 95.8
96.4 to 98.1
Manganese (Mn), % 1.8 to 2.5
0.6 to 1.0
Molybdenum (Mo), % 0.9 to 1.4
0.15 to 0.3
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030

Comparable Variants