ASTM A249 TP321 Stainless Steel Welded Tube Bright Annealed Boiler , Heat Exchanger and Superheater Application
Brand Name:YUHONG
Certification:ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:ASTM A249 TP321
Minimum Order Quantity:100KGS
Delivery Time:7DAYS
Payment Terms:L/C,T/T
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Ningbo Zhejiang China
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20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
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ASTM A249 TP321 Stainless Steel Welded Tube Bright Annealed Boiler, Heat Exchanger and Superheater Application
TP321 is a special stainless steel material, its chemical composition and properties are as follows:
TP321 material is a type 321 stainless steel, which contains 17-19% chromium, 9-12% nickel, 2-3% silicon, a minimum of 0.04% phosphorus, 0.30% manganese, and 0.075% niobium and other elemental elements in the metal.
ASTM A249 TP321 stainless steel heat exchanger tube has excellent corrosion resistance, heat resistance, high and low temperature strength and excellent processability and weldability. There are also very good corrosion characteristics of the water in the emergency room, and the corrosion resistance of the gasification medium is also very strong.
ASTM A249 TP321 stainless steel heat exchanger tube has good processability, can be used for stamping, cold processing, and excellent welding performance. Because of the high content of chromium in TP321 heat exchanger tube, it can resist high temperature attack and maintain its good corrosion resistance. In addition, the oxidation resistance of TP321 heat exchanger tube is relatively strong, which can resist atmospheric corrosion in the air and water vapor corrosion in the wet air, and has good resistance to moisture and heat aging.
In addition, TP321 heat exchanger tube has good electromagnetic properties, so it can be used as a component material in the electronics industry, such as power supplies, controllers, signal processors or magnetoelectric bonding devices.
ASTM A249 TP321 stainless steel heat exchanger tube has excellent performance, it can be used in food processing, chemical industry and Marine industry, can also be used in automotive parts, parts and heat exchanger and other demanding occasions.
ASTM A249 TP321 Stainless Steel Heat Exchanger Tube 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 |
ASTM A249 TP321 Stainless Steel Welded Tube Bright Annealed Boiler , Heat Exchanger and Superheater Application
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