chinese producer of Seamless Steel Pipe,Carbon Steel Pipe,Stainless Steel pipe,Alloy steel pipe,OCTG Pipe

Professional Steel Pipe Integration Supporting Supplier Since 1996.

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Centerway Steel Co., Ltd is a subsidiary of Allianz Steel Group that specializes in the production of steel pipes and pipe fittings, steel inventory, domestic and foreign sales. We are committed to providing one-stop service for steel pipe products to customers around the world.

Centerway has leading technology of steel pipe production and research  at home and abroad, advanced and complete testing facilities .We strictly in accordance with the ISO 9001 quality management system for on-site management, has obtained ISO 9001, ISO 14001, ISO 45001, CE, AAA-level credit rating certification, etc.

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Products

steel products supplied by Centerway have been widely applied in engineering projects such as oil and gas extraction, pipeline transportation, urban pipeline network construction, building construction, coastal and port construction, food and medicine factory construction.

  • Seamless Steel Pipe

    Seamless pipe Including:Carbon Steel PipeSeamless Line PipeBoilers TubesStructural Steel PipePrecision Steel PipeAlloy Steel PipeNickel Alloy Pipe

    According to the production method, the seamless pipe is divided into a hot rolled pipe, a cold rolled pipe, a cold drawn pipe, an extruded pipe, a top pipe etc. 

    According to the shape of the section, the seamless steel pipe is divided into two types: a circular shape and an irregular shape, and the shaped pipe has a square shape, an elliptical shape and the like. 

    The maximum diameter is 650mm and the minimum diameter is 0.3mm. 

    Seamless steel pipe is mainly used as petroleum geological drilling pipe, cracking pipe for petrochemical industry, boiler pipe, bearing pipe and high-precision structural steel pipe for automobile, tractor and aviation.


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  • OCTG

    OCTG main products include:casing,tubing,drill pipe,drill collar, heavy weight drill pipe,slotted pipe, coupling and pup joint.
    (1)Casing is a large-diameter pipe that serves as the structural retainer for the walls of oil and gas wells, or well bore.size:OD: 4 1/2’’ ~ 20’’ (114.3mm ~ 508mm);WT: 0.205’’ ~ 0.635’’ (5.21mm ~ 16.13mm);LENGTH: R1, R2, R3
    (2)Tubing:The tubing is a pipeline that transports crude oil and natural gas from the oil and gas layer to the surface after drilling is completed. It is used to withstand the pressure generated during the mining process.Used for the Transmission of Oil & Gas
    (3)Drill pipe:Oil drilling pipes are made by geological drilling steel by hot rolling or cold drawing. Grade: E75, X95, G105, S135. Mainly used for oil and gas exploitation.
    (4)Drill Collars:Standard :API SPEC 7-1,Steel grade:AISI 4145H,Sizes:3 1/8″ — 11″,Connected Type:NC, IF, REG,Length:30 – 31 ft ± 6 ft.
    Type of design:(1)plain;(2) with a recess of the elevator; (3) with a recess of the elevator and power slips; (4) spiral and a wide range of type mixtures.
    (5)Heavy Weight Drill Pipe:Standard:API 5DP, API SPEC 7-1,Grade:API 5DP Grade DZ50, E75, R780, X95, G105, S135
    Sizes:2 3/8”, 2 7/8”, 3 1/2” 4”, 4 1/2”, 5”, 5 1/2” up to 6 5/8” Range of Thickness: 6.5mm to 12.7mm, or cutomized,Connection threads:NC26, NC31, NC38, NC40, NC46, NC50, 5 1/2FH.6 5/8FH,Length:R1, R2, R3
    (6)Slotted Pipe:Standard:API 5CT,Grade:API J55, API K55, API N80, API L80, API P110,Thickness:6.88mm – 11.51mm,Sorts:API casing,Length:≤15m (each),Outside Diameter:50~200mm,Slot Width:(0.10~4)mm ±0.03mm

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  • Stainless Steel Pipe

    Stainless steel pipe refers to gas-resistant, steam-water and other weakly corrosive medium. Acid-resistant steel refers to acid, alkali, salt, etc.
    Type: 1 stainless steel seamless pipe; 2 stainless steel welded pipe.
    According to the brightness: ordinary stainless steel tube, matt stainless steel tube, bright stainless steel tube.
    Standard:ASTM A213,ASTM A778,ASTM A268.ASTM A 632,ASTM A358
    Used in industrial pipelines and mechanical structural components such as petroleum, chemical, medical, food, light industry, mechanical instrumentation, etc.
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  • Welded Steel Pipe

    The main products include: ERW steel pipe,EFW Pipe, LSAW steel pipe and SSAW steel pipe, A steel pipe with a seam on the surface of a steel strip or steel plate that is bent and deformed into a circular shape or a square shape. The inner wall of the welded pipe has welding ribs. Steel pipe is a kind of hollow long steel, which is used as a conduit for conveying fluids, such as oil, natural gas, water, gas, steam, etc.
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why choose us

steel products supplied by Centerway have been widely applied in engineering projects such as oil and gas extraction, pipeline transportation, urban pipeline network construction, building construction, coastal and port construction, food and medicine factory construction.

  • drill pipe distributor,a213 pipe,api 5l seamless pipe

    Manufacturing

    30 years experience in high-temperature alloy products manufacturer
  • octg casing,casing and tubing coupling,long radius pipe elbows

    Quality Control

    Strict with each production and testing & provide ISO 9001 certificate
  • sa192 boiler tubes,hydraulic seamless pipe,Butt Weld Fittings

    Services

    Offer material processing services such as CNC machining, Forging etc.
  • SSAW pipe carbon steel,welding black iron pipe,boiler tubes

    Best Service

    Provide ood pre-sales, in-sales and after-sales service

projects

Our partners are throughout southeast Asia, the Middle East, Europe, Africa, South America, Oceania,and more than 100 countries and regions. We also provide many steel pipe products and services to the worlds top 500 petroleum and gas , EPC companies

Experience

Our partners are throughout southeast Asia, the Middle East, Europe, Africa, South America, Oceania,and more than 100 countries 

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partners

Our partners are throughout southeast Asia, the Middle East, Europe, Africa, South America, Oceania,and more than 100 countries and regions. 
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  • line pipe wholesale,eue tubing,s355 pipe
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  • casing pipe suppliers,drilling pipe,coating drill pipe
  • api casing,octg casing,a106 seamless pipe
  • ssaw pipe china,a335 p11 pipe,rolled and welded pipe
  • smls pipe china,sch40 seamless pipe,p91 pipe
  • api drill pipe,cold drawn seamless tube,mild steel pipe elbow
  • a179 seamless tube,piling steel pipe,inconel 600 pipe
  • steel tube wholesale,oil tubing,epoxy coated pipe
  • steel tube stockist,drill pipe,steel pipe sheet pile
  • slottedpipe,oil tubing distributor,inconel 600 pipe
  • a795 pipe,B.I Pipes,inconel 625 tube
  • hfw steel pipe factory,carbon steel line pipe,steel tube distributors
  • steel tube wholesale,Epoxy Coating Pipe,alloy steel pipes distributor
  • erw steel pipe china,steel pipe wholesale,super duplex stainless pipe

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Latest News

steel products supplied by Centerway have been widely applied in engineering projects such as oil and gas extraction, pipeline transportation, urban pipeline network construction, building construction, coastal and port construction, food and medicine factory construction.

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Operational technology and safety features of submerged arc welding

There are two basic types of welding methods for butt straight welds: single-sided welding and double-sided welding. According to the thickness of steel plate, it is divided into single-layer welding, multi-layer welding, backing method and non backing method.
  • galvanized carbon steel pipe,piling steel pipe,SSAW pipe carbon steel

    Measures to Prevent Terminal Cracks of Submerged Arc Welding Longitudinal Welds

    When the welding heat source is close to the end of the longitudinal weld, the temperature field will change. The closer it is, the greater the change is. The size of the arc striking plate is smaller than that of the cylinder, and the heat capacity is also smaller The poor heat transfer conditions of the terminal weld lead to local temperature rise, change of the molten pool, increase of penetration depth, longer residence time of the molten pool at high temperature and slower solidification speed. When the size of the arc striking plate is too small, it is obvious that the positioning weld with the cylinder is too short.
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    Application of straight seam steel pipe

    Straight seam steel pipe is a practical steel pipe, which has been widely used in construction facilities of small and medium-sized construction sites. Not only that, straight seam steel pipes are often used in mining, power, construction and various piping systems, which is one of the important industries today
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    The Advancement and Superiority of Straight Seam Welded Pipe

    In recent years, most oil and gas pipelines in the world require the use of straight seam welded pipes. Canada and other western developed countries improve the process of spiral welded pipe, such as pre-welding, precision welding, multi-wire welding and mechanical expansion, etc., are designed with reference to the technology of longitudinal submerged arc welded pipe, which reflects the advanced nature of longitudinal welded pipe control technology and superiority. Specifically:

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