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UNS 4422 Details
UNS 4422 Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | 4422 | Precipitation-Hardening | USA - UNS , SAE J 412 (1995) - General characteristics and heat treatments of steels |
| 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 |
| 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) |
|---|---|---|---|---|---|---|
| 298 (≥) | 111 (≥) | 43 | 43 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 114 |
| 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 |
|---|---|---|---|---|---|---|---|
| 623 (≥) | 122 (≥) | 13 | 44 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 131 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 833 | 334 | 477 |
| 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 |
| 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
4422 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 |