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Weld steel pipes
Date:2019-04-09      View(s):680      Tag:Weld steel pipes



Weld steel pipes

Figure1

Welded steel pipe (steel pipe manufactured with a weld) is a tubular product made out of flat plates, known as skelp, that are formed, bent and prepared for welding.

  • Guidance Of Welded Steel Pipe
  • Supplying ERW steel pipe & Tube
  • Why welding stee tubes
  • Anti corrosion Pipe Coating Specs
  • Electric resistance welding at a glance
  • ASTM A53
  • ASTM A78/A178M
  • API 5L / API 5L
  • ASTM A500 Standard
  • ASTM A252 standard









Most common Weld steel pipes

Sunny Steel produce an extensive selection of welded steel pipe including ERWHFIEFWLSAWDSAW and UOE type carbon steel pipe along with their respective flanges and fittings.

Electric Resistance Welded Pipe
Electric Resistance Welded Pipe
ERW pipes means Electric Resistance Welded Pipes.
  • ERW pipe technical requirements 
High Frequency Induction (HFI) Welded Pipe
High Frequency Induction (HFI) Welded Pipe
In High Frequency Induction (HFI) Welded Pipe production process, hot rolled steel coils are fed with a high capacity accumulator in order to achieve continuous welding.
Spiral submerged-arc welding pipes
Spiral submerged-arc welding pipes (SSAW)
Spiral submerged arc welding(SSAW) is its forward direction and forming tube centerline hose reel molding angle (adjustable), side molding edge welding and weld them into a spiral.
Electric Fusion Welded Pipes
Electric Fusion Welded Pipes (EFW)
The EFW pipe divison consists of a JCO forming press, helical / spiral mill, inside and outside welding system, heat treatment furnace and testing facilities.
Longitudinally Submerged Arc Welded Steel pipes
Longitudinally Submerged Arc Welded (LSAW)
LSAW (Longitudinally Submerged Arc Welded Steel pipes) in leaflets plate as raw material, the steel plate in the mold or molding machine pressure (volume)...
Double Submerged Arc Welded (DSAW) steel pipe
Double Submerged Arc Welded (DSAW)
Double Submerged Arc Welded (DSAW) steel pipe is available in straight and spiral welded formats and used in a variety of applications.
UOE (Uing and Oing forming) Pipes
UOE (Uing and Oing forming) Pipes
UOE(Uing and Oing forming) is a method used for production of longitudinally welded large diameter pipes.
J-ing, C-ing and O-ing pipes
J-ing, C-ing and O-ing pipes
The mill adopts continuous axis contorting J-C-O(J-ing, C-ing and O-ing)process with characteristics of high forming accuracy and efficiency as well as balanced distribution of forming stress.
Anti-corrosion steel pipe
Anti-corrosion steel pipe is processed through the preservation process, which can effectively prevent or slow down the process in the transport and use of chemical or electrochemical corrosion reaction of steel pipe.
Hot Dip Galvanized Steel Pipe
Hot Dip Galvanized Steel Pipe
Hot-dip galvanizing (HDG), as referenced is the process of dipping fabricated steel into a kettle or vat of molten zinc.
Special Welded Tubes
Special Welded Tubes
We can produce precision and high-frequency welded steel tubes and pipes with all possible dimensions and shapes available.
Pre-galvanized steel pipes
Rectangular Hollow Sections
Rectangular steel tube comes in different sizes, specifications and wall thicknesses.














Weled steel pipe specification, Standard and identification

Welded steel pipe (steel pipe manufactured with a weld) is a tubular product made out of flat plates, known as skelp, that are formed, bent and prepared for welding.

Figure1
  • Electrical resistance welding
  • Welded Pipe Manufacturing Processes 
  • Pipe cutting
  • Pipe connection
  • Weld cold crack
  • Arc welding



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