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ASTM A249 TP321, 63.5MM * 1.5MM * 6000MM Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tube
We are one of the biggest manufactures of stainless steel & duplex steel & alloy steel tubes and pipes in China. With development more than 20 years, we have accumulated a great many clients all around the world and Yuhong products also won the great praise among the customers.
ASME SA249 TP321 is one of those stainless steel alloys which are designed to be used for elevated temperature applications. Specifically speaking this grade of ASTM specified SA 249 TP 321 are usually used in piping systems involved in the superheater, boiler, heat exchanger, or condensers. The Stainless Steel 321 Erw is a titanium alloyed grade. Titanium is usually added in carbon steel grades that have a higher content of carbon such as the ASME SA 249 TP321, for carbide stabilization.
Specification:
| Standards | Welded Tube |
| ASTM | A 249 |
| ASME | SA 249 |
| Dimensional Range: | |
| Product Name | ASTM A249 TP 321 Stainless Steel Welded Tubes |
| Range | 6NB to 1200NB - SCH. 5, 10, 20, 30, 40, 60, 80, 100, 120, 140, 160, XXS. |
| In Form of | Round, Square, Rectangle, Oval, Coil, Flexible Pipe, Shaft, ‘U’ Shape, Hydraulic pipe, Honed Tubes |
| In Length of | Standard & Cut length |
| Special Pipes | Fabricated Pipe (with radiography) |
| Value Added Service | Draw & Expansion as per required Size & Length Polish (Electro & Commercial) Heat Treatment Bending Annealed & Pickled Sand Blasting Machining Etc. |
| Material Grade (AISI /TP) | AISI TP 304, TP 304H, TP 304L, TP 304LN, TP 316, TP 316H, TP 316L, TP 316LN, TP TP 316Ti, TP 309, TP 310, TP 317L, TP 321, TP 347, TP 409, TP 410, TP 420, TP 430, TP 446, TP 202 Etc. |
| 0cr18N9, 00Cr19Ni10, 0Cr25Ni20, UNS31803, S31500, S32750, 2205, 904L Nickel Alloy 600, 625, 800, 825, 718 | |
| TEST CERTIFICATES | MTC, IBR & Third Party Inspection Manufacturer Test Certificate Laboratory Test Certificate from Govt. Approved Lab. Under Third Party Inspection |
| Specialize | Fabricated Pipe Square & Rectangle & Other Odd Size |
| Specification: | ASTM A 269/A 213/ASME SA 213 / EN 10216-5/EN 10305 / NACE MR0175/PED 97/23 EC |
| Maximum service temperature: | 650°C / 1205°F |
Chemical details:
| Technical composition (%) | Fe | Cr | Ni | Mn | Si | P | C | S | Ti | |
| 321 | min | Bal. | 17 | 9 | - | - | - | - | - | - |
| max | - | 20 | 13 | 2 | 0.75 | 0.03 | 0.08 | 0.04 | 0.04 |
Mechanical properties:
| Tensile Strength, Mpa | Yield Strength, Mpa | Elongation, % | Hardness, HRB |
| 515 min | 205 min | 35 min | 90 max |
Application:
