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EN 1.7366 Steel vs. SAE-AISI 1090 Steel

Both EN 1.7366 steel and SAE-AISI 1090 steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1090 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 210
220 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 19
11
Fatigue Strength, MPa 160 to 320
320 to 380
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
72
Shear Strength, MPa 290 to 440
470 to 570
Tensile Strength: Ultimate (UTS), MPa 460 to 710
790 to 950
Tensile Strength: Yield (Proof), MPa 230 to 480
520 to 610

Thermal Properties

Latent Heat of Fusion, J/g 260
240
Maximum Temperature: Mechanical, °C 510
400
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
50
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.4
Embodied Energy, MJ/kg 23
19
Embodied Water, L/kg 69
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
82 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
730 to 1000
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16 to 25
28 to 34
Strength to Weight: Bending, points 17 to 23
24 to 27
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 13 to 20
25 to 31

Alloy Composition

Carbon (C), % 0 to 0.18
0.85 to 1.0
Chromium (Cr), % 4.0 to 6.0
0
Iron (Fe), % 91.9 to 95.3
98 to 98.6
Manganese (Mn), % 0.3 to 0.8
0.6 to 0.9
Molybdenum (Mo), % 0.45 to 0.65
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.015
0 to 0.050