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SAE A 312 TP347LN Details
Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
SAE A 312 TP347LN Standard Download
A 312 TP347LN Datasheet
SAE A 312 TP347LN| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | A 312 TP347LN | Precipitation-Hardening | USA - SAE , A 312/A 312M (2013) - Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.005 | 0.02 | ||
| Si | - | 0.75 | ||
| Mn | - | 2.00 | ||
| P | - | 0.04 | ||
| S | - | 0.03 | ||
| Ni | 9.00 | 13.00 | ||
| Cr | 17.00 | 20.00 | ||
| Al | - | - | ||
| Cu | - | - | ||
| Ti | - | - | ||
| Fe | - | - | ||
| N | 0.06 | 0.10 | ||
| Mo | - | - | ||
| V | - | - |
| 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) |
|---|---|---|---|---|---|---|
| 729 (≥) | 849 (≥) | 21 | 14 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 414 |
| 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 |
|---|---|---|---|---|---|---|---|
| 376 (≥) | 253 (≥) | 43 | 41 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 323 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 482 | 427 | 713 |
| 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 182 F 347LN | 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 193 347LN Class 1 | SAE | USA | Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications |
| A 193 347LN Class 1A | SAE | USA | Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications |
| A 193 347LN Class 1D | SAE | USA | Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications |
| A 213 TP347LN | SAE | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| A 240 Type 347LN | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 271 TP347LN | SAE | USA | Seamless Austenitic Chromium-Nickel Steel Still Tubes for Refinery Service |
| A 312 TP347LN | SAE | USA | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes |
| A 376 TP347LN | SAE | USA | Seamless Austenitic Steel Pipe for High-Temperature Central-Station Service |
| A 403 CR347LN | SAE | USA | Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings |
| A 403 WP 347LN | SAE | USA | Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings |
| A 580 Type 347LN | SAE | USA | Stainless Steel Wire |
| SA-213 TP347LN | AMS | USA | Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| SA-312 TP347LN | AMS | USA | Specification for Seamless and Welded Austenitic Stainless Steel Pipes |