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AISI 422 Stainless Steel vs. EN 1.4646 Stainless Steel

Both AISI 422 stainless steel and EN 1.4646 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 422 stainless steel and the bottom bar is EN 1.4646 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 15 to 17
34
Fatigue Strength, MPa 410 to 500
340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 560 to 660
500
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
750
Tensile Strength: Yield (Proof), MPa 670 to 870
430

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 380
410
Maximum Temperature: Mechanical, °C 650
910
Melting Completion (Liquidus), °C 1480
1390
Melting Onset (Solidus), °C 1470
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 10
17

Otherwise Unclassified Properties

Base Metal Price, % relative 11
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.8
Embodied Energy, MJ/kg 44
41
Embodied Water, L/kg 100
160

Common Calculations

PREN (Pitting Resistance) 17
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
220
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 38
27
Strength to Weight: Bending, points 26 to 30
24
Thermal Shock Resistance, points 33 to 39
16

Alloy Composition

Carbon (C), % 0.2 to 0.25
0.020 to 0.1
Chromium (Cr), % 11 to 12.5
17 to 19
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 81.9 to 85.8
59 to 67.3
Manganese (Mn), % 0.5 to 1.0
10.5 to 12.5
Molybdenum (Mo), % 0.9 to 1.3
0 to 0.5
Nickel (Ni), % 0.5 to 1.0
3.5 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.050
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0