LSAW Steel Pipe in stock Product Description LSAW (Longitudinal double submerge arc welding) carbon steel pipe is a type of SAW pipe made of steel plates that were hot rolled by JCOE or UOE forming technology. JCOE technology represents the shaping and forming processes involved during manufacturing as well as the inner and outer welding and cold expansion carried out after welding. Product Specification Product NameLSAW Steel Pipe UsageUsed for low pressure liquid delivery, such as water, gas, and oil. ProcessLSAW - UO(UOE),RB(RBE),JCO(JCOE) DSAW -Double Submerged arc welded StandardAPI 5L, API 5CT, ASTM 53, EN10217, DIN 2458. IS 3589, GB/T3091, GB/T9711 CertificateAPI 5L PSL1 / PSL2 Out Diameter355.6mm- 1828.8mm Wall Thickness8 -50mm Lengthup to 12m,as request Steel gradeAPI 5L PSL1 / PSL2,GR B, X42, X46, X52, X56, X60, X65, X70, X80 ASTM A53,GR A, GR B, GR C EN,S275, S275JR, S355JRH, S355J2H GB,Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360- L555 SurfaceFusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer's requirement Detailed Pictures Factory Processes 1) large diameter lsaw steel pipe, Raw materials entering the factory: Check the specifications, materials and batch numbers of the purchased steel plates with the quality assurance certificate, review the quality assurance documents, and reject the steel plates that do not meet the technical requirements of the purchase. 2) Re-examination of raw materials: chemical composition analysis and physical and chemical performance tests (tensile, bending, fracture toughness and other tests) of purchased steel plate samples. 3) Welding procedure qualification: Welding procedure specification (ewps) shall be prepared according to steel pipe material and thickness, and welding procedure qualification (PQR) shall be carried out according to ewps. At least two PQRs should be completed in this project, one of which is manual welding (SMAW) to verify the welding quality and weld repair of manual welding; the other is submerged arc welding (SAW) to verify the welding quality of submerged arc welding. After all test items are qualified, confirm the correctness and feasibility of WPS according to the welding procedure qualification report (PQR). Packaging and Shipping Customers and Exhibition FAQ 1) Fully approved by the major inspection authorities, such as CCS, CE, BV, ASTM, API 5L certification and laboratory accreditation cert, Quality management system cert, Environmental management system cert, Occupational health and safety management system cert. etc. 2) Reasonable pricing 3) Prompt delivery of order 4) Flexible payment modes 5) Rich manufacturing experiences. 6) Comprehensive product ranges 7) No min. order quantity 8) Quick respond after-sale serviceLSAW Steel Pipe in stock website:http://www.ruijiesteelpipes.com/welded-steel-pipe/lsaw-steel-pipe/
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