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| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | XM-19 | Austenite | USA - UNS , SAE J 405 (1998) - Chemical compositions of SAE wrought stainless steels |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.06 | ||
| Si | - | 1.00 | ||
| Mn | 4.00 | 6.00 | ||
| P | - | 0.04 | ||
| S | - | 0.03 | ||
| Cr | 20.5 | 23.5 | ||
| Ni | 11.5 | 13.5 | ||
| Mo | 1.50 | 3.00 | ||
| Nb | 0.10 | 0.30 | ||
| N | 0.20 | 0.40 | ||
| V | 0.10 | 0.30 |
| 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) |
|---|---|---|---|---|---|---|
| 951 (≥) | 796 (≥) | 11 | 43 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 133 |
| 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 |
|---|---|---|---|---|---|---|---|
| 913 (≥) | 331 (≥) | 33 | 43 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 221 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 648 | 913 | 251 |
| 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 |
|---|---|---|---|
| XM-19 | UNS | USA | Chemical compositions of SAE wrought stainless steels |
| A 240 S20910 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 249 S20910 | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 269 S20910 | SAE | USA | Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
| A 276 S20910 | SAE | USA | Stainless Steel Bars and Shapes |
| A 314 S20910 | SAE | USA | Stainless Steel Billets and Bars for Forging |
| A 580 S20910 | SAE | USA | Stainless Steel Wire |
| A 813 S20910 | SAE | USA | Single- or Double-Welded Austenitic Stainless Steel Pipe |
| A 814 S20910 | SAE | USA | Cold-Worked Welded Austenitic Stainless Steel Pipe |
| A 965 S20910 | SAE | USA | Steel Forgings, Austenitic, for Pressure and High Temperature Parts |
| F 1314 S20910 | SAE | USA | Standard Specification for Wrought Nitrogen Strengthened 22 Chromium - 13 Nickel - 5 Manganese - 2.5 Molybdenum Stainless Steel Alloy Bar and Wire for Surgical Implants (UNS S20910) |
| F 2181 S20910 | SAE | USA | Standard Specification for Wrought Seamless Stainless Steel Tubing for Surgical Implants |
| F 621 S20910 | SAE | USA | Standard Specification for Stainless Steel Forgings for Surgical Implants |
| S20910 | AISI | USA | Austenitic Chromium Nickel Manganese Molybdenum Stainless Steel |
| SA-240 S20910 | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-403 S20910 | AMS | USA | Specification for Wrought Austenitic Stainless Steel Piping Fittings |
| SA-813 S20910 | AMS | USA | Specification for Single- or Double-Welded Austenitic Stainless Steel Pipe |
| SA-814 S20910 | AMS | USA | Specification for Cold-Worked Welded Austenitic Stainless Steel Pipe |
| SA-965 S20910 | AMS | USA | Specification for Steel Forgings, Austenitic, for Pressure and High Temperature Parts |
| XM-19,NITRONIC 50®,UNS S20910 | UNS | USA | used for the production of chains, bolts, nuts, pumps, parts for installation of heat exchangers, springs, valve parts, fittings, flanges, valves, fittings in the petrochemical industry, chemical, nitric, nuclear, offshore, maritime industries and shipbui |