Carbon Welded Structural Sprialing Steel Pipe

Carbon Welded Structural Sprialing Steel Pipe

O.D 20-406mm
O.D tolerance As standard
W.T 1.2~15.7mm
W.T tolerance As standard
Length Any Length Below 16 Meter,
according to clients requirement.
Seam Longitudinal seam
Standard EN10210 EN10219
ASTM A53 GB/T3091-2008
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Product Details

Product Details

Carbon Welded Structural  Sprialing Steel Pipe;Spiral welded high frequency steel tubes (sy5038-83) for confined fluids, welded by high frequency lap welding method, for confined fluids.The steel pipe has strong bearing capacity and good plasticity, which is convenient for welding and processing.Spiral seam arc-welded steel tube (sy5037-83) for general low-pressure fluid transportation is adopted, which is made by double-sided automatic arc-welding or single-side welding method and used for water, gas, air and steam and other general low-pressure fluid transportation.Screw tube material: Q235A, Q23b,0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0cr18ni11nb. Q345 L245 L290 X42 X46 X70 X80.Spiral welded steel pipe refers to the steel belt or steel plate bending deformation into the shape of round, square, and then welded into the surface of the joint steel pipe.According to the shape of welding seam, it can be divided into straight welded pipe and spiral welded pipe.Welded steel tubes are used in oil drilling and machinery manufacturing.

Brief Introduction

welded spiral pipe specifications

O.D toleranceAs standard
W.T toleranceAs standard
LengthAny Length Below 16 Meter, according to clients requirement.
SeamLongitudinal seam
StandardEN10210 EN10219
TechniqueERW EFW
Surface treatment28-85 um zinc coating
ApplicationScaffolding, fense post, structure, water transmission
End treatmentPlain ends,thread,beveled,socket,groove,make hole
PaymentT/T L/C 
Date of DeliveryAccording to The Specifications And the Quantities Of Each Contract,Time Start To Begin When We confirm the Date of the Earnest or L/C
InspectionSGS BV

The project is Carbon Welded Structural  Sprialing Steel Pipe.The material is spiral steel pipe, the pipe diameter is DN1000mm, the wall thickness is 10mm, and the connection form of steel pipe is manual arc welding.Pipe jacking position is A05+10~A05+40 straight pipe jacking;A15+48~A17+03 cement casing;B06+00~B07+00 steel pipe straight top.

 Compilation basis

1)Carbon Welded Structural  Sprialing Steel Pipe

2) gb50268-2008 code for construction and acceptance of water supply and drainage pipes.

Construction preparation

1) organize relevant operators to be familiar with construction drawings and specifications.

2) the welder shall have the operation qualification certificate of the corresponding project.

3) check whether the roundness and the amount of wrong side of the delivered steel pipes meet the relevant technical requirements.

4) check the surface of metal pipe joints for spots, cracks, serious rust and other defects.

5) before the installation of steel pipes, the joints shall be measured and numbered one by one, and it is advisable to choose the joint group with the smallest diameter difference for welding.

6) in windy weather, there must be a windshield for welding.

7) the welder must make clear the quality requirements and welding measures before welding.

The Process Flow


The Application


The Workshop

Cangzhou Steel Pipe Group (CSPG)Co.,Ltd.

 has more than ten years history company which located in Lecong Iron and Steel World, a well-known steel distribution center in China, with superior geographical position and convenient water and land transportation. 

We are a direct-selling manufacturer specializing in the research and development of spiral steel pipes, steel coiled pipes, anti-corrosion steel pipes inside and outside. Since its inception, the company has been guided by a brand-new thinking of steel pipe product market based on the business philosophy of honesty, pragmatism and knowledge-seeking.





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