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EN 1.4006 Stainless Steel vs. EN 1.7366 Steel

Both EN 1.4006 stainless steel and EN 1.7366 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 1.4006 stainless steel and the bottom bar is EN 1.7366 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 23
17 to 19
Fatigue Strength, MPa 150 to 300
160 to 320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 370 to 460
290 to 440
Tensile Strength: Ultimate (UTS), MPa 590 to 750
460 to 710
Tensile Strength: Yield (Proof), MPa 230 to 510
230 to 480

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 740
510
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
4.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.7
Embodied Energy, MJ/kg 27
23
Embodied Water, L/kg 100
69

Common Calculations

PREN (Pitting Resistance) 13
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 110
74 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 660
140 to 600
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 27
16 to 25
Strength to Weight: Bending, points 20 to 24
17 to 23
Thermal Diffusivity, mm2/s 8.1
11
Thermal Shock Resistance, points 21 to 26
13 to 20

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.18
Chromium (Cr), % 11.5 to 13.5
4.0 to 6.0
Iron (Fe), % 83.1 to 88.4
91.9 to 95.3
Manganese (Mn), % 0 to 1.5
0.3 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.040
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