SSAW/SAW STEEL PIPES

　　SAW(SAWL,SAWH): Spiral Welded

　　SSAW: Spiral Submerged-arc Welded

　　Quality Standard:

　　GB/T3091 Welded steel pipe for low pressure liquid delivery

　　GB/T9711 Petroleum and natural gas industries--Steel 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

　　ASTM A53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

　　DIN 2458 WELDED STEEL PIPES AND TUBES

　　EN10217 Welded steel tubes for pressure purposes. Technical delivery conditions. Non-alloy steel tubes with specified room temperature properties

　　API 5L Line Pipe

　　SY/T5037 Spiral submerged arc-welded steel pipe for pipelines for low pressure field fluid service

　　SY/T 5040 Spiral submerged arc-welded steel pipe piles

　　CJ/T 3022 Spiral submerged-arc welded steel pipe for municipal heat supply

　　IS : 1978 Steel tubes for use in transportation of oil; gas & Petroleum products

　　ASTM A252 WELDED AND SEAMLESS STEEL PIPE PILES

　　Coating Standard:

　　ANSI/AWWA C104/A21.4 American National Standard for Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for Water

　　ISO 21809 Petroleum and natural gas industries -- External coatings for buried or submerged pipelines used in pipeline transportation systems

　　DIN 30670 Polyethylen coatings of steel pipes and fittings

　　My company has the advanced production equipment and various testing equipment, the production equipment including size each lathe, forging bed, to enlarge the hole machine etc, testing equipment and testing room Germany import spectrometer, laboratory. The products of the company according to gb, Japanese standard, Germany standard, American standard, British standard standard production, etc. Special specification according to customer requirements, annual production capacity, produce carbon steel pipe fitting 2500 tons, 1500 tons of steel pipe fitting, stainless steel strip steel 1500 tons,forged pipe fitting, flat steel, the distant two thousand tons. It may be said in the industry manufacturers.