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Stainless Steel Fin Tube: Specifications of Stainless Steel Fin Tube: 1. Grade: TP304, TP304L, TP304H, TP310, TP310S, TP310H, TP316, TP316L, TP316H, TP316Ti, TP317, TP317L, TP321, TP321H, TP347, TP347H, UNS N08904/904L; S31803, S32205/SAF2205, S32304, S32750/SAF2507; 1.4301, 1.4306, 1.4401, 1.4404, 1.4541, 1.4571, 1.4539, 1.44621.4410, etc. 2. Standard: ASTM A312/213/269, ASTM A789/A790, ASTM B677, DIN 17456, DIN 17458, EN10216-5, ISO 1127, etc. 3. Surface finish: anneal/pickling/polished 4. Process method: cold drawn/cold rolled 5. Size: O. D.: 6 mm to 219 mm W. T.: 0.5 mm to 25 mm Length: Max. 20 meters 7. Application: Boiler economizer Power plant waste heat boiler Petrochemical engineering and various heat exchangers 8. Qualifications: ISO 9001:2008, PED by English Lloyd's Register, DNV, ASME Specifications of U-Bend Stainless Steel Fin Tubes: 1. Initial Length:Maximum lengths of 27000mm can be supplied on request 2. Bending radius:Maximum 1000 mm 3. Heat treatment of the bend: U-bends with a bending radius up to maximum of 1000mm can be heat treated on request Grades of Stainless Steel Fin Tube: 304/304L/304H(1.4301/1.4306/1.4948); 316/316L(1.4401/1.4404); 316Ti(1.4571); 321(1.4541); 309S(1.4833); 310S(1.4845); 317L(1.4438); 321H(1.4878); 347H(1.4550); 2205(1.4462); S31803, 2507 Standards of Stainless Steel Fin Tube: 1.ASME SA213/SA213M 2.ASME SA688/SA688M 3.ASME SA789 / SA789M 4.ASME SA249/SA249M 5.GB13296-91 Standards of U-Bend Stainless Steel FinTube: 1. ASTM A688/A688M-08 2. ASTM A803/A803M 3. ASTM A556/A556M, ASME SA-556 4. ASME SA-688 
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