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EN 1.7366 Steel vs. S44735 Stainless Steel

Both EN 1.7366 steel and S44735 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.7366 steel and the bottom bar is S44735 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 210
220
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 17 to 19
21
Fatigue Strength, MPa 160 to 320
300
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
82
Shear Strength, MPa 290 to 440
390
Tensile Strength: Ultimate (UTS), MPa 460 to 710
630
Tensile Strength: Yield (Proof), MPa 230 to 480
460

Thermal Properties

Latent Heat of Fusion, J/g 260
310
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
480
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
21
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.7
4.4
Embodied Energy, MJ/kg 23
61
Embodied Water, L/kg 69
180

Common Calculations

PREN (Pitting Resistance) 6.8
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
520
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 16 to 25
23
Strength to Weight: Bending, points 17 to 23
21
Thermal Shock Resistance, points 13 to 20
20

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.030
Chromium (Cr), % 4.0 to 6.0
28 to 30
Iron (Fe), % 91.9 to 95.3
60.7 to 68.4
Manganese (Mn), % 0.3 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.45 to 0.65
3.6 to 4.2
Nickel (Ni), % 0
0 to 1.0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.0