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YB 422 Details

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422 Application:Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application

Category Type Grade Microstructure Designations
Grades Stainless Steels 422 Precipitation-Hardening USA - YB , A 743/A 743M (2013) - Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application

Chemical composition(wt.%) of 422 grade: A 743/A 743M (2013)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.22
Si - 0.40
Mn - 0.75
P - -
S - -
Ni - 0.75
Cr - 12.50
Al - -
Cu - -
Ti - -
Fe - remaining
N - -
Mo - 1.00
W - 1.00
V - 0.22
Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application

Mechanical properties of grade 422 A 743/A 743M (2013)

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
183 (≥) 675 (≥) 43 11 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical properties of grade 422 A 743/A 743M (2013)

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
339 (≥) 387 (≥) 14 41 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 432
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
958 614 751

422 - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
GH4220 GB China
Nickel-base superalloy
A 176 S42200 SAE USA
Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip
A 565 S42200 SAE USA
Martensitic Stainless Steel Bars for High-Temperature Service
S42200 AISI USA
Martensitic Chromium Molybdenum Nickel Wolfram Stainless Steel (422)
S42201 AISI USA
Martensitic Chromium Superstrength Steel
A 176 S42200 SAE USA
Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip
A 565 S42200 SAE USA
Martensitic Stainless Steel Bars for High-Temperature Service
S42200 AISI USA
Martensitic Chromium Molybdenum Nickel Wolfram Stainless Steel (422)
HNV8 UNS USA
Steel for intake valves
422 YB USA
Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip
422 YB USA
Martensitic Stainless Steel Bars for High-Temperature Service
422 YB USA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
422 YB USA
Special Purpose Alloys ("Superalloys")
422 YB USA
Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application
422 UNS USA
Special Purpose Alloys ("Superalloys")
422 SS UNS USA
Engine poppet valve information report
422M UNS USA
Special Purpose Alloys ("Superalloys")
422M (Cast) UNS USA
Special Purpose Alloys ("Superalloys")
4422 YB USA
Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for
4422 YB USA
Seamless Carbon and Alloy Steel Mechanical Tubing

Relevant products

422 Steel Stock

Steel grade Dimension Shape Unit Quantity Delivery state Query
SA-437 Grade B4B/SUS 616 /422 Forged Bar Dia.160xL Round Bar Kgs 2120 Forged+QT Enquiry
Stainless Steel 422 / Alloy 422 AMS 5655 UNS S42200/616/B4B Round Bar Stock Select 0 Select Enquiry

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