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EN 1.7366 Steel vs. S44635 Stainless Steel

Both EN 1.7366 steel and S44635 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 32 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 S44635 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 210
240
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 17 to 19
23
Fatigue Strength, MPa 160 to 320
390
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
81
Shear Strength, MPa 290 to 440
450
Tensile Strength: Ultimate (UTS), MPa 460 to 710
710
Tensile Strength: Yield (Proof), MPa 230 to 480
580

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 510
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
16
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
22
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
4.4
Embodied Energy, MJ/kg 23
62
Embodied Water, L/kg 69
170

Common Calculations

PREN (Pitting Resistance) 6.8
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
150
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
810
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 16 to 25
25
Strength to Weight: Bending, points 17 to 23
23
Thermal Diffusivity, mm2/s 11
4.4
Thermal Shock Resistance, points 13 to 20
23

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.025
Chromium (Cr), % 4.0 to 6.0
24.5 to 26
Iron (Fe), % 91.9 to 95.3
61.5 to 68.5
Manganese (Mn), % 0.3 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.45 to 0.65
3.5 to 4.5
Nickel (Ni), % 0
3.5 to 4.5
Niobium (Nb), % 0
0.2 to 0.8
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8