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SAE A 688 N08367 Details
SAE A 688 N08367 Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | A 688 N08367 | Austenite | USA - SAE , A 688/A 688M (2012) - Welded Austenitic Stainless Steel Feedwater Heater Tubes |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.03 | ||
| Mn | - | 2.00 | ||
| Si | - | 1.00 | ||
| P | - | 0.04 | ||
| S | - | 0.03 | ||
| Cr | 20.00 | 22.00 | ||
| Ni | 23.50 | 25.50 | ||
| Mo | 6.00 | 7.00 | ||
| N | 0.18 | 0.25 |
Welded Austenitic Stainless Steel Feedwater Heater Tubes
| 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) |
|---|---|---|---|---|---|---|
| 833 (≥) | 265 (≥) | 23 | 44 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 324 |
| 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 |
|---|---|---|---|---|---|---|---|
| 872 (≥) | 848 (≥) | 43 | 14 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 242 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 887 | 613 | 826 |
| 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 213 N08367 | SAE | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| A 240 N08367 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 249 N08367 | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 269 N08367 | SAE | USA | Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
| A 270 N08367 | SAE | USA | Seamless and Welded Austenitic Stainless Steel Sanitary Tubing |
| A 276 N08367 | SAE | USA | Stainless Steel Bars and Shapes |
| A 312 N08367 | SAE | USA | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes |
| A 312 N08367 | SAE | USA | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes |
| A 358 N08367 | SAE | USA | Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications |
| A 409 N08367 | SAE | USA | Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service |
| A 479 N08367 | SAE | USA | Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| A 688 N08367 | SAE | USA | Welded Austenitic Stainless Steel Feedwater Heater Tubes |
| A 813 N08367 | SAE | USA | Single- or Double-Welded Austenitic Stainless Steel Pipe |
| A 814 N08367 | SAE | USA | Cold-Worked Welded Austenitic Stainless Steel Pipe |
| A 959 N08367 | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| A 988 N08367 | SAE | USA | Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service |
| B 462 N08367 | SAE | USA | Standard Specification for Forged or Rolled UNS N06030, UNS N06022, UNS N06035, UNS N06200, UNS N06059, UNS N10362, UNS N06686, UNS N08020, UNS N08024, UNS N08026, UNS N08367, UNS N10276, UNS N10665, UNS N10675, UNS N10629, UNS N08031, UNS N06045 |
| B 472 N08367 | SAE | USA | Standard Specification for Nickel Alloy Billets and Bars for Reforging |
| B 564 N08367 | SAE | USA | Standard Specification for Nickel Alloy Forgings |
| B 675 N08367 | SAE | USA | UNS N08367 Welded Pipe |
