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EN 1.7366 Steel vs. EN 1.4107 Stainless Steel

Both EN 1.7366 steel and EN 1.4107 stainless steel are iron alloys. They have a moderately high 92% 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 EN 1.4107 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 19
18 to 21
Fatigue Strength, MPa 160 to 320
260 to 350
Impact Strength: V-Notched Charpy, J 38
45 to 50
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 460 to 710
620 to 700
Tensile Strength: Yield (Proof), MPa 230 to 480
400 to 570

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 510
740
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
27
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
7.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
2.1
Embodied Energy, MJ/kg 23
30
Embodied Water, L/kg 69
100

Common Calculations

PREN (Pitting Resistance) 6.8
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
420 to 840
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 16 to 25
22 to 25
Strength to Weight: Bending, points 17 to 23
21 to 22
Thermal Diffusivity, mm2/s 11
7.2
Thermal Shock Resistance, points 13 to 20
22 to 25

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.1
Chromium (Cr), % 4.0 to 6.0
11.5 to 12.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 91.9 to 95.3
83.8 to 87.2
Manganese (Mn), % 0.3 to 0.8
0.5 to 0.8
Molybdenum (Mo), % 0.45 to 0.65
0 to 0.5
Nickel (Ni), % 0
0.8 to 1.5
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.020
Vanadium (V), % 0
0 to 0.080

Comparable Variants