Standard Specification for Stainless Steel Forgings for Surgical Implants
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SAE F 621 S20910| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | F 621 S20910 | Austenite | USA - SAE , F 621 (2008) - Standard Specification for Stainless Steel Forgings for Surgical Implants |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.06 | ||
| Mn | 4.00 | 6.00 | ||
| Si | - | 1.00 | ||
| P | - | 0.04 | ||
| S | - | 0.03 | ||
| Cr | 20.50 | 23.50 | ||
| Ni | 11.50 | 13.50 | ||
| Mo | 1.50 | 3.00 | ||
| N | 0.20 | 0.40 | ||
| Nb | 0.10 | 0.30 | ||
| 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) |
|---|---|---|---|---|---|---|
| 275 (≥) | 517 (≥) | 14 | 42 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 331 |
| 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 |
|---|---|---|---|---|---|---|---|
| 654 (≥) | 367 (≥) | 22 | 42 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 341 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 161 | 188 | 221 |
| 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 |
|---|---|---|---|
| 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 |
| A 240 S21800 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 276 S21800 | SAE | USA | Stainless Steel Bars and Shapes |