EFW pipe is formed by rolling plate and welding the seam. The weld flash can be removed from the outside or inside surfaces using a scarfing blade. The weld zone can also be heat treated to make the seam less visible. Welded pipe often has tighter dimensional tolerances than seamless, and can be cheaper if manufactured in the same quantities.

 

MATERIAL SIZE RATING  
CARBON STEEL 1/2" - 24"

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order special size
LOW TEMPERATURE CARBON STEEL
ALLOWY STEEL
STANLESS STEEL
NON METAL

 

SAW pipe is Submerged Arc Welded pipe. They are the pipes formed by the process called Submerged Arc welding. there can be two types of SAW pipes: 1. LSAW-Longitudinal SAW and 2. HSAW - Helical SAW . (aka Spiral SAW) LSAW pipes are basically pipes formed by bending rectangular steel plates and are subsequently welded longitudinally (internally and externally) along the seam to form a pipe HSAW pipes are pipes formed by conversion on Hot Rolled Coils and are subsequently welded internally and externally to form HSAW pipes. SAW process basically consists of an arc submerged in Flux used to weld the pipe. The flux is used to isolate the arc from the atmosphere.

 

MATERIAL SIZE RATING  
CARBON STEEL 1/2" - 24"

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order special size
LOW TEMPERATURE CARBON STEEL
ALLOWY STEEL
STANLESS STEEL
NON METAL

 

ERW pipes means Electric Resistance Welded Pipes. ERW steel pipes and tubes are used. ERW steel pipes and tubes are used in various engineering purposes, fencing, scaffolding, line pipes etc. ERW steel pipes and tube are available in various qualities, wall thicknesses, and diameters of the finished pipes. Electric Resistance Welded pipe is formed by rolling plate and welding the seam. The weld flash can be removed from the outside or inside surfaces using a scarfing blade. The weld zone can also be heat treated to make the seam less visible. Welded pipe often has tighter dimensional tolerances than seamless, and can be cheaper if manufactured in the same quantities. ERW pipes are manufactured from the longitudinal welding of steel. The welding process for ERW pipes is continuous as opposed to welding of distinct sections at intervals. ERW process uses steel coil as feedstock. The High Frequency Induction Technology (HFI) welding process is used for manufacturing ERW pipes. In this process the current to weld the pipe is applied by means of an induction coil around the tube. HFI is generally considered to be technically superior to “ordinary” ERW when manufacturing pipes for critical applications, such as for usage in the energy sector In addition to other uses in line pipe applications, as well as for casing and tubing.

 

MATERIAL SIZE RATING  
CARBON STEEL 1/2" - 24"

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order special size
LOW TEMPERATURE CARBON STEEL
ALLOWY STEEL
STANLESS STEEL
NON METAL

 

Seamless (SMLS) pipe is formed by drawing a solid billet over a piercing rod to create the hollow shell. As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable. Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe. seamless (SMLS) pipe is also called CDS Pipes(cold Drawn seamless Pipes).it is used widely in machining parts , shafts , bearings ,cylinders having strength of 75000 psi tensile .. it is a solid carbon steel rod which is pushed on to the MAD to from the shape of tube .it is available in different sizes.

 

MATERIAL SIZE RATING  
CARBON STEEL 1/2" - 24"

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order special size
LOW TEMPERATURE CARBON STEEL
ALLOWY STEEL
STANLESS STEEL
NON METAL

 

A pipe is a tubular section or hollow cylinder, usually but not necessarily of circular cross-section, used mainly to convey substances which can flow — liquids and gases (fluids), slurries, powders and masses of small solids. It can also be used for structural applications; hollow pipe is far stiffer per unit weight than solid members. Pipe is made in many materials including ceramic, fiberglass, many metals, concrete and plastic. In the past, wood and lead (Latin plum bum, from which comes the word 'plumbing') were commonly used. Typically metallic piping is made of steel or iron, such as unfinished, black (lacquer) steel, carbon steel, stainless steel or galvanized steel, brass, and ductile iron. Iron based piping is subject to corrosion in highly oxygenated water stream.

 

MATERIAL SIZE RATING  
CARBON STEEL 1/2" - 24"

_


 
order special size
LOW TEMPERATURE CARBON STEEL
ALLOWY STEEL
STANLESS STEEL
NON METAL

 

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