Welding steel tube is one pipe the surface has the steel pipe joint,which is use the steel belt or steel plate material through the bending deformation into round ,square ect then welded into shape.
Welded steel tube products are widely used in boilers, automobiles, ship building lightweight structural steel of the doors and windows, furniture, agricultural machinery, scaffolding, wire conduit, top shelves, containers, etc.. which can meet customer requirements, the special specifications welded pipe can be processed according to user requirements. Welded pipes for conveying water, sewage, gas, air, heating, steam and other low-pressure fluid and other uses.
Sunny Steel produce an extensive selection of welded steel pipe including ERW, HFI, EFW, LSAW, DSAW and UOE type carbon steel pipe along with their respective flanges and fittings.
ERW pipes- A plate rolled to become a pipe and welded using Electric Resistance Welding process.
(HFI) High frequency welded pipe- HIGH-FREQUENCY WELDING is a welding process in which the heat source used to melt the joining surfaces is obtained from high-frequency (HF) alternating current (ac) resistance heating.
(EFW) Electric Fusion Welded Pipe- The EFW pipe divison consists of a JCO forming press, helical / spiral mill, inside and outside welding system, heat treatment furnace and testing facilities.
(LSAW) Long-Submerge-arc Welded - in leaflets plate as raw material, the steel plate in the mold or molding machine pressure (volume) into using double-sided submerged arc welding and flaring from production.
(DSAW) Double Submerged Arc Welded- is available in straight and spiral welded formats and used in a variety of applications.
(UOE) Uing and Oing forming pipe- the formed pipes are welded inside by five internal welding stations with three wires for each weld,and welded outside by four external welding stations with three wires for each weld.
(JCOE) J-ing, C-ing and O-ing- process with characteristics of high forming accuracy and efficiency as well as balanced distribution of forming stress.
(SSAW) Spiral submerged-arc welding- is its forward direction and forming tube centerline hose reel molding angle (adjustable), side molding edge welding and weld them into a spiral.
(SAW) Submerged arc welding pipe- is a common arc welding process.
Special Welded Tubes
Oval pipe, flat oval pipe and elliptic pipe
Square hollow section
Rectangular Hollow Sections
Hot dip galvanized square tube
Stainless Steel Square / Rectangular Tubes
Hot dip galvanized steel pipe- as referenced is the process of dipping fabricated steel into a kettle or vat of molten zinc.
Galvanized mild steel pipe
ERW Galvanized Steel Pipes
Pre-galvanized steel pipes
Galvanized Seamless tube
Galvanized pipe for water
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.
Single-layer anti-corrosion epoxy powder pipe
3PE steel pipe, 2PE Steel pipe
2PP/3PP Anti-corrosion pipe
IPN8710 Water pipe inner wall
Pipe cement mortar lining
HDPE (High-density polyethylene jacket pipe)
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