Welded Austenitic Stainless Steel Feedwater Heater Tubes
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SAE A 688 N08800 Details
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A 688 N08800 Datasheet
SAE A 688 N08800| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | A 688 N08800 | Austenite | USA - SAE , A 688/A 688M (2012) - Welded Austenitic Stainless Steel Feedwater Heater Tubes |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.01 | ||
| Mn | - | 1.50 | ||
| Si | - | 1.00 | ||
| P | - | 0.045 | ||
| S | - | 0.015 | ||
| Cr | 19.00 | 23.00 | ||
| Ni | 30.00 | 35.00 | ||
| Mo | - | - | ||
| Ti | 0.15 | 0.60 | ||
| Al | 0.15 | 0.60 |
| 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) |
|---|---|---|---|---|---|---|
| 159 (≥) | 599 (≥) | 43 | 24 | 11 | 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 |
|---|---|---|---|---|---|---|---|
| 999 (≥) | 554 (≥) | 14 | 33 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 413 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 817 | 348 | 289 |
| 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 S21600 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 492 S21600 | SAE | USA | Stainless Steel Rope Wire |
| S21600 | AISI | USA | Austenitic Chromium Manganese Nickel Molybdenum Stainless Steel |
| SA-240 S21600 | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 240 S21603 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 492 S21603 | SAE | USA | Stainless Steel Rope Wire |
| S21603 | AISI | USA | Austenitic Chromium Manganese Nickel Molybdenum Stainless Steel |
| SA-240 S21603 | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 240 S30940 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 249 S30940 | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 276 S30940 | SAE | USA | Stainless Steel Bars and Shapes |
| A 314 S30940 | SAE | USA | Stainless Steel Billets and Bars for Forging |
| A 358 S30940 | SAE | USA | Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications |
| A 409 S30940 | SAE | USA | Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service |
| A 478 S30940 | SAE | USA | Chromium-Nickel Stainless Steel Weaving and Knitting Wire |
| A 580 S30940 | SAE | USA | Stainless Steel Wire |
| A 813 S30940 | SAE | USA | Single- or Double-Welded Austenitic Stainless Steel Pipe |
| A 814 S30940 | SAE | USA | Cold-Worked Welded Austenitic Stainless Steel Pipe |
| S30940 | AISI | USA | Austenitic Chromium Nickel Columbium Heat Resisting Stainless Steel |
| SA 249 S30940 | AMS | USA | Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |