A 688 Grade TP 316LN Enquiry | Print this page
SAE A 688 Grade TP 316LN Details
SAE A 688 Grade TP 316LN Standard Download
A 688 Grade TP 316LN Application:Welded Austenitic Stainless Steel Feedwater Heater Tubes
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | A 688 Grade TP 316LN | Austenite | USA - SAE , A 688/A 688M (2012) - Welded Austenitic Stainless Steel Feedwater Heater Tubes |
Chemical composition(wt.%) of A 688 Grade TP 316LN grade: A 688/A 688M (2012)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.03 | ||
| Si | - | 0.75 | ||
| Mn | - | 2.00 | ||
| P | - | 0.045 | ||
| S | - | 0.035 | ||
| Cr | 16.0 | 18.0 | ||
| Ni | 10.0 | 14.0 | ||
| Mo | 2.00 | 3.00 | ||
| N | 0.10 | 0.16 |
Mechanical properties of grade A 688 Grade TP 316LN A 688/A 688M (2012)
| 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 (≥) | 358 (≥) | 31 | 31 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 414 |
Physical properties of grade A 688 Grade TP 316LN A 688/A 688M (2012)
| 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 |
|---|---|---|---|---|---|---|---|
| 963 (≥) | 867 (≥) | 42 | 44 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 212 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 248 | 379 | 199 |
A 688 Grade TP 316LN - Form of Supply
| 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 |
Cross Reference Table(Equivalent Grade)
| Grade | Standard | Country | Application |
|---|---|---|---|
| 316LN | SAE | USA | Chemical compositions of SAE wrought stainless steels |
| A 167 Type 316LN | UNS | USA | Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip |
| A 182 F 316LN | SAE | USA | Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service |
| A 213 TP316LN | SAE | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| A 240 Type 316LN | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 249 TP316LN | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 269 TP316LN | SAE | USA | Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
| A 276 316LN | SAE | USA | Stainless Steel Bars and Shapes |
| A 312 TP316LN | SAE | USA | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes |
| A 336 Grade F316LN | SAE | USA | Alloy Steel Forgings for Pressure and High-Temperature Parts |
| A 358 316LN | SAE | USA | Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications |
| A 376 TP316LN | SAE | USA | Seamless Austenitic Steel Pipe for High-Temperature Central-Station Service |
| A 403 CR316LN | SAE | USA | Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings |
| A 403 WP 316LN | SAE | USA | Intended for pressure piping applications. |
| A 479 316LN | SAE | USA | Austenitic Grades |
| A 688 Grade TP 316LN | SAE | USA | Welded Austenitic Stainless Steel Feedwater Heater Tubes |
| A 813 Grade TP 316LN | SAE | USA | Steel pipe intended for high-temperature and general corrosive service. |
| A 814 Grade TP 316LN | SAE | USA | Cold-Worked Welded Austenitic Stainless Steel Pipe |
| A 943 TP316LN | SAE | USA | Spray-Formed Seamless Austenitic Stainless Steel Pipes |
| A 955 316LN Grade 280 | SAE | USA | Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement |
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