Specification for Steel Forgings, Austenitic, for Pressure and High Temperature Parts
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AMS SA-965 S21904| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | SA-965 S21904 | Austenite | USA - AMS , SA-965/SA-965M - Specification for Steel Forgings, Austenitic, for Pressure and High Temperature Parts |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.04 | ||
| Mn | 8.00 | 10.00 | ||
| Si | - | 1.00 | ||
| P | - | 0.06 | ||
| S | - | 0.03 | ||
| Cr | 19.00 | 21.50 | ||
| Ni | 5.50 | 7.50 | ||
| Mo | - | - | ||
| N | 0.15 | 0.40 |
| 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) |
|---|---|---|---|---|---|---|
| 626 (≥) | 248 (≥) | 22 | 32 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 432 |
| 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 |
|---|---|---|---|---|---|---|---|
| 939 (≥) | 638 (≥) | 22 | 22 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 443 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 567 | 272 | 611 |
| 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 S21904 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 269 S21904 | SAE | USA | Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
| A 276 S21904 | SAE | USA | Stainless Steel Bars and Shapes |
| A 314 S21904 | SAE | USA | Stainless Steel Billets and Bars for Forging |
| A 473 S21904 | SAE | USA | Stainless Steel Forgings |
| A 580 S21904 | SAE | USA | Stainless Steel Wire |
| A 666 S21904 | SAE | USA | Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar |
| A 965 S21904 | SAE | USA | Steel Forgings, Austenitic, for Pressure and High Temperature Parts |
| A 988 S21904 | SAE | USA | Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service |
| S21904 | AISI | USA | Austenitic Chromium Manganese Nickel Stainless Steel, Low carbon |
| SA-666 S21904 | AMS | USA | Specification for Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar |
| SA-965 S21904 | AMS | USA | Specification for Steel Forgings, Austenitic, for Pressure and High Temperature Parts |
| A 240 S21904 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 269 S21904 | SAE | USA | Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
| A 276 S21904 | SAE | USA | Stainless Steel Bars and Shapes |
| A 314 S21904 | SAE | USA | Stainless Steel Billets and Bars for Forging |
| A 473 S21904 | SAE | USA | nless Steel Forgings |
| A 580 S21904 | SAE | USA | Stainless Steel Wire |
| A 666 S21904 | SAE | USA | Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar |
| A 965 S21904 | SAE | USA | Steel Forgings, Austenitic, for Pressure and High Temperature Parts |