Specification for Seamless and Welded Austenitic Stainless Steel Pipes
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AMS SA-312 N08904| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | SA-312 N08904 | Austenite | USA - AMS , SA-312/SA-312M - Specification for Seamless and Welded Austenitic Stainless Steel Pipes |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.02 | ||
| Mn | - | 2.00 | ||
| Si | - | 1.00 | ||
| P | - | 0.045 | ||
| S | - | 0.035 | ||
| Cr | 19.00 | 23.00 | ||
| Ni | 23.00 | 28.00 | ||
| Mo | 4.00 | 5.00 | ||
| Cu | 1.00 | 2.00 |
| 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) |
|---|---|---|---|---|---|---|
| 436 (≥) | 158 (≥) | 12 | 42 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 344 |
| 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 |
|---|---|---|---|---|---|---|---|
| 996 (≥) | 944 (≥) | 11 | 13 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 241 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 697 | 559 | 811 |
| 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 N08904 | SAE | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| A 240 N08904 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 249 N08904 | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 269 N08904 | SAE | USA | Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
| A 276 N08904 | SAE | USA | Stainless Steel Bars and Shapes |
| A 312 N08904 | SAE | USA | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes |
| A 358 N08904 | SAE | USA | Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications |
| B 649 N08904 | SAE | USA | Nickel-iron-chromium-molybdenum-copper low-carbon alloys bar and wire |
| N08904 | AISI | USA | Nickel Chromium Molybdenum Alloy |
| SA-240 N08904 | AMS | USA | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-249 N08904 | AMS | USA | Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| SA-312 N08904 | AMS | USA | Specification for Seamless and Welded Austenitic Stainless Steel Pipes |
| SA-358 N08904 | AMS | USA | Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature Service |
| SB-625 N08904 | AMS | USA | UNS N08925, UNS N08031, UNS N08932, UNS N08926, UNS N08354, and UNS R20033 Plate, Sheet, and Strip |
| SB-649 N08904 | AMS | USA | Specification for Ni-Fe-Cr-Mo-Cu Low-Carbon Alloy (UNS N08904), Ni-Fe-Cr-Mo-Cu-N Low-Carbon Alloys (UNS N08925, UNS N08031, and UNS N08926), and Cr-Ni-Fe-N Low-Carbon Alloy (UNS R20033) Bar and Wire |
| SB-673 N08904 | AMS | USA | Specification for UNS N08904, UNS N08925 and N08926 Welded Pipe |
| SB-674 N08904 | AMS | USA | Specification for UNS N08904, UNS N08925 and UNS N08926 Welded Tube |
| SB-677 N08904 | AMS | USA | UNS N08925, UNS N08354, and UNS N08926 Seamless Pipe and Tube |
| X1NiCrMoCu25-20-5, 1.4539, AISI 904L, N08904 | EN | European | X1NiCrMoCu25-20-5,1.4539,AISI 904L,N08904 steel is used for the production of systems and equipment for the desalination of water, equipment and machinery in the food, cryogenic and pharmaceutical industries, the production of scrubbers in coal-fired powe |