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EN 1.4310 Stainless Steel vs. AISI 422 Stainless Steel

Both EN 1.4310 stainless steel and AISI 422 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4310 stainless steel and the bottom bar is AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
260 to 330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 45
15 to 17
Fatigue Strength, MPa 240 to 330
410 to 500
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 510 to 550
560 to 660
Tensile Strength: Ultimate (UTS), MPa 730 to 900
910 to 1080
Tensile Strength: Yield (Proof), MPa 260 to 570
670 to 870

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 410
380
Maximum Temperature: Mechanical, °C 910
650
Melting Completion (Liquidus), °C 1420
1480
Melting Onset (Solidus), °C 1380
1470
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
24
Thermal Expansion, µm/m-K 18
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 14
11
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
3.1
Embodied Energy, MJ/kg 42
44
Embodied Water, L/kg 140
100

Common Calculations

PREN (Pitting Resistance) 20
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 260
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 830
1140 to 1910
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 32
32 to 38
Strength to Weight: Bending, points 23 to 27
26 to 30
Thermal Diffusivity, mm2/s 4.0
6.4
Thermal Shock Resistance, points 15 to 18
33 to 39

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.2 to 0.25
Chromium (Cr), % 16 to 19
11 to 12.5
Iron (Fe), % 66.4 to 78
81.9 to 85.8
Manganese (Mn), % 0 to 2.0
0.5 to 1.0
Molybdenum (Mo), % 0 to 0.8
0.9 to 1.3
Nickel (Ni), % 6.0 to 9.5
0.5 to 1.0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.025
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3