Commonly used standards for spiral steel pipes are generally divided into:SY/T5037-2000 (partial standard, also called spiral seam submerged arc welded steel pipe for ordinary fluid conveying pipeline), GB/T9711.1-1997 (national standard, also called oil and gas industrial conveying steel pipe) Technical conditions for delivery Part I:Class A ASTM A252 Gr.3 Piling Pipe - HYSP Steel Pipe SupplierASTM A252 Gr.3 Piling Pipe All our astm a232 Piling Pipe are qualified in ASTM standard or other international pipe standards. Quality Standard:GB/T3091 Welded steel pipe for low pressure liquid delivery GB/T9711 Petroleum and natural gas industriesSteel pipe for pipelines IS:3589 Steel tubes for water and sewage IS :1978-1982:Steel tubes for use in 
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GB/T3091 Welded steel pipe for low pressure liquid delivery. GB/T9711 Petroleum and natural gas industriesSteel pipe for pipelines. IS:3589 Steel tubes for water and sewage. IS :1978-1982:Steel tubes for use in transportation of oil; gas & Petroleum products SSAW Steel Pipe - SHINESTAR STEEL GROUP CO., LTD.GB/T3091 Welded steel pipe for low pressure liquid delivery. GB/T9711 Petroleum and natural gas industriesSteel pipe for pipelines. IS:3589 Steel tubes for water and sewage. IS :1978-1982:Steel tubes for use in transportation of oil; gas & Petroleum products Ssaw Lsaw Carbon Welding Steel Pipe Price Per Ton - Buy Ssaw Lsaw Carbon Welding Steel Pipe Price Per Ton , Find Complete Details about Ssaw Lsaw Carbon Welding Steel Pipe Price Per Ton,Ssaw Steel Pipe,Welding Steel Pipe,Spiral Steel Pipe from Steel Pipes Supplier or Manufacturer-Tianjin Credit Import And Export Trading Co., Ltd. API, ASTM, bs, DIN, GB, JIS, API 5CT, API 5L, ASTM A106-2006, BS
ordinary pipe. square steel tube:gb/t 3091 gb/t 6728 jis g 3444 astm a 513 astm a 500 bs 7:en 10219. q195,q215,q235,q345, gr.a,gr.b,gr.c st37,st52. s235j2h.s355j2h. 20*20-400*400mm x 0.6mm-16mm:rectangular steel tube 30/20-500*300mm x 0.6mm-16mm:round pipe:1/2inch-60 inch x 1.0mm-30mm:hot-dip gavanized pipe round pipe:bs 7 iso 65 gb t 9711 l245 psl2 lsaw pipeChinese Standard. GB/T 9711-2017 Petroleum and natural gas industries -- Steel pipe for pipeline transportation systems.GB/T9711-2017,GBT9711-2017,GBT 9711-2017 (GB 9711-2017). Modify (reduce) the upper limit of tensile strength of three steel grade PSL2 steel pipes of L245/B,L290/X42 and L320/X46 is GB/T 9711-2017 PDF English.-.Factory Price SSAW Welded Steel Pipe Carbon Steel 1. The spiral steel:spiral steel coil as raw materials is steel, often warm extrusion, with automatic double- wire submerged arc welding process double- sided spiral welded steel pipe. 2. Standard:GB/T9711.1, API 5L, ASTM A53, ASTM A500, ASTM A672,