FBE Coating Steel Pipes

Product name API5L Spiral Submerged Arc Welding Penstocks Pipe
Standard SY/T5037-2000 GB/T9711-1997 API 5L GRB ASTM A252 Gr.C
Steel grade ASTM A53,A135,A500,A795,BS1387,BS1139,BS39,
Size OD:273-2000mm
Length:5.8m, 11.8m or according to customers'demands
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Product Details

Product Details

spiral pipe pricing (1)MAG/CO2 gas welding equipment-- lar500/630, this series of products are controlled by transistor switching elements, and the use of microprocessor technology, so that the welding performance has many characteristics: main voltage compensation and stepless voltage regulation, can be set specification range of 50A/10V -- 500A/39V, rated current 500A (transient load rate 60%). ARISTO400 - the latest generation of isa MAG/MIG welding machine, he USES advanced microprocessor technology, set the wire feeding speed, MAG/MIG selection can automatically provide the best welding parameters to the welding process, the equipment can be used to weld aluminum, stainless steel, carbon steel and other metals, and can use cored wire, the weight of the machine is only 92 kg. -- automatic pipe welding equipment, which is composed of power supply and head. The power supply and control part have protig-450 programmable power supply. Due to different purposes, the head for pipe welding has PRB/PRC/PRD, etc., which can be selected according to different diameters.This equipment adopts automatic TIG welding, which has the advantages of stable welding process and high welding quality, but it requires high preparation of base material groove and is not suitable for field work.

Brief Introduction

spiral pipe pricing

Product nameAPI5L Spiral Submerged Arc Welding Penstocks Pipe 
ASTM A252 Gr.C 
Steel grade

ASTM A53,A135,A500,A795,BS1387,BS1139,BS39, 


WT: 6-60mm
Length:5.8m, 11.8m or according to customers'demands 
Applicationapplied in structure,construction,accessorize,transmission
Ends1)plain ends
2)beveled ends
3)thread ends
Ends protectinPlastic caps
Surface treatment1)bared
2)black painting
3)anti-corrosion oil
4)3PE,FBE,EPOXY Coating
Weld Technique1)ERW: Electronic Resistance Welded
2)EFW: Electronic Fusion Welded
3)SSAW: Spirally Submered Arc Welded
Section shapeRound
2)in buck
Production capacity2000,000tons each year
CertificateAPI & ISO
Delivery time7-15 days according to contract quantity
Main Market

Asia, Middle East,Europe,America,India,etc

Cangzhou spiral welded spiral pipe 

pricing pipe in the production process, due to a long time of friction, will naturally produce magnetic.If the magnetism is too large, deflect the electron beam of the image intensifier.X-ray industrial television system images produce "S" shape distortion, which affects the detection rate of natural defects such as porosity, slag inclusion, etc., spiral pipe pricing especially the non-penetration, crack and other linear natural defects.With the improvement of pipeline steel grade and the change of image intensifier in X-ray TV system, the influence of remanence is particularly prominent.The existence of residual magnetism, in the pipeline girth welding butt, will produce arc phenomenon, affect the quality of welding.The spiral pipe pricing existence of residual magnetism seriously affects the construction quality. Therefore, demagnetization is a process that must be done before the spiral welded pipe leaves the factory.

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