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EN 1.4006 Stainless Steel vs. EN 1.6368 Steel

Both EN 1.4006 stainless steel and EN 1.6368 steel are iron alloys. They have 88% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 1.6368 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 23
18
Fatigue Strength, MPa 150 to 300
310 to 330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 370 to 460
410 to 430
Tensile Strength: Ultimate (UTS), MPa 590 to 750
660 to 690
Tensile Strength: Yield (Proof), MPa 230 to 510
460 to 490

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
410
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
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
3.4
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.9
1.7
Embodied Energy, MJ/kg 27
22
Embodied Water, L/kg 100
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 660
580 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 27
23 to 24
Strength to Weight: Bending, points 20 to 24
21 to 22
Thermal Diffusivity, mm2/s 8.1
11
Thermal Shock Resistance, points 21 to 26
20

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.040
Carbon (C), % 0.080 to 0.15
0 to 0.17
Chromium (Cr), % 11.5 to 13.5
0 to 0.3
Copper (Cu), % 0
0.5 to 0.8
Iron (Fe), % 83.1 to 88.4
95.1 to 97.2
Manganese (Mn), % 0 to 1.5
0.8 to 1.2
Molybdenum (Mo), % 0
0.25 to 0.5
Nickel (Ni), % 0 to 0.75
1.0 to 1.3
Niobium (Nb), % 0
0.015 to 0.045
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.25 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010