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EN 1.4301 Stainless Steel vs. EN 1.7366 Steel

Both EN 1.4301 stainless steel and EN 1.7366 steel are iron alloys. They have 76% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4301 stainless steel and the bottom bar is EN 1.7366 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
140 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 46
17 to 19
Fatigue Strength, MPa 200 to 330
160 to 320
Impact Strength: V-Notched Charpy, J 91 to 94
38
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 430 to 550
290 to 440
Tensile Strength: Ultimate (UTS), MPa 610 to 900
460 to 710
Tensile Strength: Yield (Proof), MPa 220 to 570
230 to 480

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 940
510
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
4.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.7
Embodied Energy, MJ/kg 43
23
Embodied Water, L/kg 140
69

Common Calculations

PREN (Pitting Resistance) 19
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 220
74 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 820
140 to 600
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 32
16 to 25
Strength to Weight: Bending, points 20 to 27
17 to 23
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 14 to 20
13 to 20

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.18
Chromium (Cr), % 17.5 to 19.5
4.0 to 6.0
Iron (Fe), % 66.8 to 74.5
91.9 to 95.3
Manganese (Mn), % 0 to 2.0
0.3 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 8.0 to 10.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.015

Comparable Variants