Stainless Steel Pipe ASME/ASTM SA312 304/316L SA789/SA790 S31803 S32750

Product introduction 1), Heat Exchanger Tubing (Straight and U tubing) 2), Air Cooler Tubing 3), Condenser Tubing 4), Evaporator Tubing Specification: ASTM A213 (ASME SA213): Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes ASTM A789 (ASME SA789): Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service ASTM A268(ASME SA268): Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service Final Finishing: Solution Annealed & Pickled, Bright Annealed The specifications of JIS G3463, EN 10216-5 are available.    Duplex & Super DuplexStainless Steel Tube & PipeGrade Available: UNS S31803, UNS S32205, UNS S31500, UNS S32304, UNS S32750 S32760Specification: ASTM A789 (ASME SA789): Specification for Seamless and Welded Ferritic / Austenitic Stainless Steel Tubing for General ServiceASTM A790 (ASME SA790): Specification for Seamless and Welded Ferritic / Austenitic Stainless Steel PipeThe specification of EN 10216-5 is available.Pipes for Producing Pipe FittingsSpecification:ASTM A312 (ASME SA312): Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel PipesASTM A790 (ASME SA790): Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel PipeASTM B423(ASME SB423): Specification for Nickel-Iron-Chromium-Molybdenum-Copper Alloy(UNS N08825 and N08221) Seamless Pipe and TubeASTM B407(ASME SB407): Specification for Nickel-Iron-Chromium Alloy Seamless Pipe and TubeThe specifications of JIS G3459 and EN 10216-5 are available.Seamless PipeSpecification:ASTM A312 (ASME SA312): Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel PipesASTM A790 (ASME SA790): Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel PipesASTM B423(ASME SB423): Specification for Nickel-Iron-Chromium-Molybdenum-Copper Alloy(UNS N08825 and N08221) Seamless Pipe and TubeASTM B407(ASME SB407): Specification for Nickel-Iron-Chromium Alloy Seamless Pipe and TubeThe specifications of JIS G3459 EN 10216-5, DIN 17456, DIN 17458 are availabie. Boiler Tube and PipeGrade: TP 304H, 310H,TP 316L ,321H, 347H, 347HFGSpecification: ASME SA213: Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger TubesThe specifications of ASME SA312, JIS G3459, EN 10216-5, DIN 17456, DIN 17458 are available.ASTM A312 (ASME SA312): Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel PipesASTM A790 (ASME SA790): Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel PipesASTM B423(ASME SB423): Specification for Nickel-Iron-Chromium-Molybdenum-Copper Alloy(UNS N08825 and N08221) Seamless Pipe and TubeASTM B407(ASME SB407): Specification for Nickel-Iron-Chromium Alloy Seamless Pipe and TubeThe specifications of JIS G3459 EN 10216-5, DIN 17456, DIN 17458 are availabie.  Inspection And Test Raw Material Inspection: 1. Check the material supplier's mill test certificates 2. Check the material's quantity, size, surface condition 3. Conduct chemical analysis and mechanical property test Process Inspection: 1. Inspect single work-piece's dimension, levelness, bend degree, hole size, hole location, etc. 2. Inspect the work-piece's welding result  Cleaning Result Inspection: After the work piece pass the process inspection, then go to cleaning to wipe out its oil&grease, dust, and other contaminants. Inspection method: 1. Visual inspection  2. Wipe test  3. Black light test 4. Mirror test (if need) Assembly Inspection: After cleaning inspection is good, then assemble on set to inspect its overall levelness, dimension, etc.Water Test: Water test is a good way to check the distributor's working performance. The test items includes: 1. Liquid height in trough 2. Used time of one hole to fill the container 3. Calculate the coefficient variance(CV) Package Inspection: 1. Check the small parts quantity according to packing list 2. Check the protect method of the internals   /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1