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EN 1.4517 Stainless Steel vs. AISI 422 Stainless Steel

Both EN 1.4517 stainless steel and AISI 422 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4517 stainless steel and the bottom bar is AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
15 to 17
Fatigue Strength, MPa 380
410 to 500
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 730
910 to 1080
Tensile Strength: Yield (Proof), MPa 550
670 to 870

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 450
380
Maximum Temperature: Mechanical, °C 1100
650
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1390
1470
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
24
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 20
11
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.8
3.1
Embodied Energy, MJ/kg 53
44
Embodied Water, L/kg 180
100

Common Calculations

PREN (Pitting Resistance) 38
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 740
1140 to 1910
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
32 to 38
Strength to Weight: Bending, points 23
26 to 30
Thermal Diffusivity, mm2/s 4.6
6.4
Thermal Shock Resistance, points 20
33 to 39

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.25
Chromium (Cr), % 24.5 to 26.5
11 to 12.5
Copper (Cu), % 2.8 to 3.5
0
Iron (Fe), % 56.7 to 65.1
81.9 to 85.8
Manganese (Mn), % 0 to 1.5
0.5 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0.9 to 1.3
Nickel (Ni), % 5.0 to 7.0
0.5 to 1.0
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.025
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3