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EN 1.4415 Stainless Steel vs. EN 1.7366 Steel

Both EN 1.4415 stainless steel and EN 1.7366 steel are iron alloys. They have 85% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4415 stainless steel and the bottom bar is EN 1.7366 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17 to 20
17 to 19
Fatigue Strength, MPa 470 to 510
160 to 320
Impact Strength: V-Notched Charpy, J 91 to 110
38
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 520 to 570
290 to 440
Tensile Strength: Ultimate (UTS), MPa 830 to 930
460 to 710
Tensile Strength: Yield (Proof), MPa 730 to 840
230 to 480

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 790
510
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 19
40
Thermal Expansion, µm/m-K 9.9
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
4.3
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.7
Embodied Energy, MJ/kg 51
23
Embodied Water, L/kg 120
69

Common Calculations

PREN (Pitting Resistance) 19
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 160
74 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 1350 to 1790
140 to 600
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29 to 33
16 to 25
Strength to Weight: Bending, points 25 to 27
17 to 23
Thermal Diffusivity, mm2/s 5.1
11
Thermal Shock Resistance, points 30 to 34
13 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.18
Chromium (Cr), % 11.5 to 13.5
4.0 to 6.0
Iron (Fe), % 75.9 to 82.4
91.9 to 95.3
Manganese (Mn), % 0 to 0.5
0.3 to 0.8
Molybdenum (Mo), % 1.5 to 2.5
0.45 to 0.65
Nickel (Ni), % 4.5 to 6.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0 to 0.010
0
Vanadium (V), % 0.1 to 0.5
0

Comparable Variants