Submerged arc welded pipes are manufactured by bending and welding ordinary steel plates. The SAW type is commonly used for oil and gas transmission lines (API 5L). The most common variations of submerged arc welding pipes are:LSAW (longitudinal welding), DSAW (double submerged arc welding, the weld is applied on both the inner and outer
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Electric resistance welding (ERW Welded Pipe) is used to transport oil, natural gas and other vapor and liquid objects, which can meet various requirements of high and low pressure, and currently occupies a pivotal position in the field of transportation pipes in the world.The electric resistance welding pipe is manufactured by cold forming a piece of steel plate into a
Liaoning Aotong Steel pipe Co., Ltd.The outer diameter(OD) of spiral welded pipe from 219mm to 3600mm, the wall thickness of spiral welded pipe from 6mm to 25mm, steel grade from A25-X80. Company profile Liaoning Aotong Steel Pipe Co.. is situated at the southwest of Anshan Iron & Steel Group, which is one of the iron and steel bases of China.
Longitudinal Submerged Arc Welded Pipe LSAW Pipe Scope of Longitudinal Submerged-Arc Welded Pipe. Outside diameter:from 16 in (406.4 mm) to 60 in (1524.0 mm). Wall thickness from 6.0mm to 40.0mm. Length:3m 15m; LSAW Pipe Steel Grade. Common Class:API 5L Gr.B PSL1, PSL2, Sour Service pipe; Medium:X42, X46, X52; Medium and high:X56; High level:API 5L X60 PSL1, PSL2 LSAW steel pipe
SAW pipe is made of hot rolled coiled steel by automatic submerged arc weld under normal atmospheric temperature. All the pipes are produced according to API Spec 5L, GB/T9711.1, GB/T9711.2, ASTM A252-89 standard.
The Development of Welded Steel Pipe in Chinapipelines in the pipe needs about 700-800 milion tons, of which X80 steel level of about 500 milion tons, X70 grade steel demand of about 3 milion tons; and 12 Five period of Chinas oil and gas pipeline with SSAW (spiral submerged arc welded pipe) the annual demand will be more than 500 million tons, LSAW (LSAW pipe) annual demand of
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What is a SSAW pipe?. Spiral submerged arc welded steel pipe is a kind of metal pipe with spiral seam welded by submerged arc welding technology.. SSAW pipe is made of hot rolled coiled steel by automatic submerged arc weld under normal atmospheric temperature. All the pipes are produced according to API Spec 5L, GB/T9711.1, GB/T9711.2, ASTM A252-89
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It is usually divided into metric welded steel pipe, welded thin-walled pipe, transformer cooling tubing and so on. 5. SSAW steel pipe (SY5036-83) for pressurized fluid delivery is made of hot-rolled steel coil as tube blanks, spirally forming in normal temperature and welded by double-sided submerged arc welding, used for pressurized fluid China Ssaw (spiral Submerged-arc Welded)steel Pipe - Api China ssaw (spiral submerged-arc welded)steel pipe - find detail api gas seamless steel pipe from threeway steel international , ltd Entered incorrect captcha Join the Best B2B Marketplace Get Up To 60% OFF