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A790 Duplex Stainless Steel Grades Pipes The duplex material is a kind of ferrite - austenitic duplex stainless steel,which is integrated conducive properties both of ferrite and austenitic and provided with higher intensity as well as tenacity. Delivery Condition: 1.Annealed and Pickled 2.Bright and Annealed 3.Annealed and Pickled+Polishing 4.Bright and Annealed+Polishing Available Size: O.D 6-219.1mm W.T 0.5-12.7mm L 20 meter Max ASTM /ASME A789/SA789 ; ASTM /ASME A790

Super Duplex 2507 Stainless Steel Pipes The duplex material is a kind of ferrite-austenitic duplex stainless steel ,which is integrated conductive properties both of ferrite and austenitic and provided with higher intensity as well as tenacity .on basis of high content of chrome and molybdenum,the duplex material is endowed with all sorts capability of corrosion. UNS Chemical , % C max Mn max P max S max Si max Ni Cr Mo N S31803 0.030 2.00 0.030 0.020 1.00 4.5-6.5 21.0-23.0 2

Torich 2507 Duplex Stainless Steel Tube Tubing Process Flow Round Bar →Peeling →Heating →Piercing →Raw Pipe →Pickling →Straightening → Annealing →Grinding →Cold Drawing/Rolled →Lubricating →End Preparation →Pickling →Cut to length →Testing →Seamless Pipe →Packing →Product Storage Product Name Seamless Duplex Stainless Steel Pipe for Ship building Standard ASTM A789, A312, A790, GB/T13296, GB/T14976 Size OD: 6-530 mm WT: 1-30 mm Length : max 15m Type Seamless and Welded

ASTM 790 S32750 Duplex Stainless Steel Pipe Tube For Fluid And Gas Transport UNS Designation C Si Mn P S Cr Ni Mo N Cu max max max max max S31803 ( F51 ) 0.03 1 2 0.03 0.02 21.0 - 23.0 4.5 - 6.5 2.5 - 3.5 0.08 - 0.20 - S32205 ( F60 ) 0.03 1 2 0.03 0.02 22.0 - 23.0 4.5 - 6.5 3.0 - 3.5 0.14 - 0.20 - S32750 ( F53 ) 0.03 0.8 1.2 0.035 0.02 24.0 - 26.0 6.0 - 8.0 3.0 - 5.0 0.24 - 0.32 0.5 max S32760 ( F55 ) 0.05 1 1 0.03 0.01 24.0 - 26.0 6.0 - 8.0 3.0 - 4.0 0.20 - 0.30 0.50 -1.00 1

ASTM 790 2205 Duplex Stainless Steel Pipe Tube 1 . Outer Diameter : 10.3mm - 1219mm Material Grade : S32205 , S31803 , S32304 , S32750, 2205 , 2507 Etc 2 . Wall Thickness : 1.24mm - 59.54mm 3 . Length : As per customer’s requirement 4 . Standard : ASTM A789 ; ASTM A790 ; EN 10216-5ect . UNS Designation C Si Mn P S Cr Ni Mo N Cu max max max max max S31803 ( F51 ) 0.03 1 2 0.03 0.02 21.0 - 23.0 4.5 - 6.5 2.5 - 3.5 0.08 - 0.20 - S32205 ( F60 ) 0.03 1 2 0.03 0.02 22.0 - 23.0 4.5

ASTM A213 Stainless Ferritic and Austentic Alloy Steel Pipes For Boilers and Heat-Exchangers Applications: For boilers, super heaters and heat-exchangers Technique: Cold-Formed Size range: O.D. 6-168mm W.T. 1-15mm Length max 12000mm Heat Treatment: Steel Grade: Heat Treat Type Austenitizing/ Soluctioning Temperature, min or rang Cooling Media TP201 UNS20100 Solution treatment 1040℃ Water or other rapid cool TP202 UNS20200 Solution treatment 1040℃ Water or other rapid cool

304/316/316L/310 Stainless Steel Tube Seamless Pipe ASTM A213/312/269 Torich is a professional manufacturer and supplier of steel tubes with over 20 years experience. Our main products are stainless steel tubes, carbon steel tubes, alloy steel tubes, seamless steel tubes, welded steel tubes, ect. The material we usually use for producing Stainless Steel pipes is 304, 316, 316L, 310. We have many years export experience of Stainless Steel Pipes. Product name 304/316/316L/310

304 316 Stainless Steel Capillary Tube TORICH is a professional steel tubes supplier from China with over 23 years experience. We have NICE quality of Stainless Steel Capillary Tube,have exported 304 316 Stainless Steel Capillary Tube to India,UAE,Australia,Poland,etc Standard: ASTM, ASME,EN, JIS, DIN,GB/T etc Steel grade: 304(0Cr18Ni9), 304L(00Cr18Ni10), 316(0Cr17Ni12Mo2), 316L(0Cr17Ni14Mo2), 321, 409, 409L, 430 Size: OD 0.28-10mm WT 0.08-1mm Production Process: Cold Drawn

4mm Bright Annealed Stainless Steel Tube ASTM A269 TP304 TP316 Size range: O.D.: 4.0-760mm W.T.:1-50mm L: according to customer requirement Manufacture: The tubes are made by seamless or welded process. The tubeing can be hot finished or cold finished Heat treatment: All tubes are furnished in the heat-treated condition Mechanical Tests Requirement: Flaring Test (Seamless Tubes) Flange Test (Welded Tubes) Hardness Test Hydrastatic or Nondestructive Electric Test Surface