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SAE A 249 S34709 Details
SAE A 249 S34709 Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | A 249 S34709 | Austenite | USA - SAE , A 249/A 249M (2010) - Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.04 | 0.10 | ||
| Mn | - | 2.00 | ||
| Si | - | 1.00 | ||
| P | - | 0.04 | ||
| S | - | 0.03 | ||
| Cr | 17.00 | 20.00 | ||
| Ni | 9.00 | 13.00 | ||
| Ta | - | 1.10 |
| 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) |
|---|---|---|---|---|---|---|
| 995 (≥) | 595 (≥) | 23 | 12 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 144 |
| 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 |
|---|---|---|---|---|---|---|---|
| 282 (≥) | 238 (≥) | 13 | 42 | 12 | 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 |
|||||
| 743 | 916 | 765 |
| 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 S34709 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 249 S34709 | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 358 S34709 | SAE | USA | Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications |
| A 813 S34709 | SAE | USA | Single- or Double-Welded Austenitic Stainless Steel Pipe |
| A 965 S34709 | SAE | USA | Steel Forgings, Austenitic, for Pressure and High Temperature Parts |
| S34709 | AISI | USA | Austenitic Chromium Nickel Columbium Stainless Steel (Columbium/Niobium Stabilized, High Carbon) |
| SA-240 S34709 | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-813 S34709 | AMS | USA | Specification for Single- or Double-Welded Austenitic Stainless Steel |
| SA-814 S34709 | AMS | USA | Specification for Cold-Worked Welded Austenitic Stainless Steel Pipe |
| SA-965 S34709 | AMS | USA | Specification for Steel Forgings, Austenitic, for Pressure and High Temperature Parts |
| SUS 347HFB | JIS | Japan | Stainless steel blooms and billets for forgings |
| SUS 347HTP | JIS | Japan | Stainless steel pipes |
| STSF347H | KS | Korea | Stainless steel forgings for pressure vessels |