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EN 1.4417 Stainless Steel vs. EN 1.6368 Steel

Both EN 1.4417 stainless steel and EN 1.6368 steel are iron alloys. They have 65% 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 1.4417 stainless steel and the bottom bar is EN 1.6368 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
18
Fatigue Strength, MPa 380
310 to 330
Impact Strength: V-Notched Charpy, J 56
43 to 46
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 730
660 to 690
Tensile Strength: Yield (Proof), MPa 550
460 to 490

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 17
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 21
3.4
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.1
1.7
Embodied Energy, MJ/kg 57
22
Embodied Water, L/kg 180
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 730
580 to 650
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
23 to 24
Strength to Weight: Bending, points 23
21 to 22
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 20
20

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.040
Carbon (C), % 0 to 0.030
0 to 0.17
Chromium (Cr), % 24 to 26
0 to 0.3
Copper (Cu), % 0 to 1.0
0.5 to 0.8
Iron (Fe), % 56.7 to 66.9
95.1 to 97.2
Manganese (Mn), % 0 to 1.5
0.8 to 1.2
Molybdenum (Mo), % 3.0 to 4.0
0.25 to 0.5
Nickel (Ni), % 6.0 to 8.5
1.0 to 1.3
Niobium (Nb), % 0
0.015 to 0.045
Nitrogen (N), % 0.15 to 0.25
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 1.0
0.25 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.010
Tungsten (W), % 0 to 1.0
0