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EN 1.7366 Steel vs. SAE-AISI A9 Steel

Both EN 1.7366 steel and SAE-AISI A9 steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 24 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 EN 1.7366 steel and the bottom bar is SAE-AISI A9 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 74
74
Tensile Strength: Ultimate (UTS), MPa 460 to 710
770 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 260
280
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 40
35
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
7.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
4.7
Embodied Energy, MJ/kg 23
70
Embodied Water, L/kg 69
82

Common Calculations

PREN (Pitting Resistance) 6.8
10
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 16 to 25
28 to 73
Strength to Weight: Bending, points 17 to 23
24 to 46
Thermal Diffusivity, mm2/s 11
9.6
Thermal Shock Resistance, points 13 to 20
25 to 66

Alloy Composition

Carbon (C), % 0 to 0.18
0.45 to 0.55
Chromium (Cr), % 4.0 to 6.0
4.8 to 5.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 91.9 to 95.3
87 to 90.5
Manganese (Mn), % 0.3 to 0.8
0 to 0.5
Molybdenum (Mo), % 0.45 to 0.65
1.3 to 1.8
Nickel (Ni), % 0
1.3 to 1.8
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
1.0 to 1.2
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0.8 to 1.4

Comparable Variants