Submerged Arc Welded Pipe

Standard:
ASTM, API, BS, DIN, GB, JIS
Standard2:
ASTM A106-2006, ASTM A53-2007,
ASTM A252-1998, API 5CT, API 5L, BS 1387,
DIN 1626, GB/T 9711.1-1997, GB/T 3091-2001,
GB/T 13793-1992, GB/T 14291-2006, GB/T 9711.2-1999,
GB 5130, JIS G3444-2006, JIS G3466
Grade Group:
10#-45#, ST35-ST52, Q195-Q345, 16Mn, A53-A369
Grade:
10#, 20#, 45#, St52, St35.8, Q235, Q345,
Q195, Q215, 16Mn, A53(A,B)
Thickness:
4 - 30 mm
Section Shape:
Round
Outer Diameter(Round):
219 - 3860 mm
Place of Origin:
Hebei, China
Application:
Oil Pipe
Technique:
SAW
Certification:
ISO-9001/ CE/ AIF/TUV/IQNET
Surface Treatment:
Customized
Special Pipe:
API Pipe
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Product Details



Product Details



Special design available according to requirement. Product name API 5L Longitudinal Submerged Arc Welded Pipe LSAW steel pipe Producing standard Round pipe: GB/T3091, BS1387-1987, ASTM A53, DIN2440, Square/Rectangular tube: GB/T6728-2002, ASTM A500 Gr A B C, JIS G3466 etcEN39-2001. Steel Grade...








Brief Introduction

Special design available according to requirement.

Product name

API 5L Longitudinal Submerged Arc Welded Pipe LSAW steel pipe


Producing standard

Round pipe: GB/T3091, BS1387-1987, ASTM A53, DIN2440, Square/Rectangular tube: GB/T6728-2002, ASTM A500 Gr A B C, JIS G3466 etcEN39-2001.


Steel Grade

Carbon steel: Q195, Q215,Q235,Q345;SS400, STK400, STK490, ASTM A500, A53, ST37, ST35 etc.


Surface treatment

Hot dip galvanized, painting, oil, plastic powder coating, plain/beveled ends or threaded with sockets / coupling and plastic caps etc.


Inspections

With hydraulic testing, eddy current and infrared test etc


Usages

Scaffolding pipe, Structure pipe, Fence/Door pipe, Furniture, Low pressure fluid pipe for water oil or gas, Boiler pipe


Package

In bundles by steel strips, waterproof woven cloth with 7 slats, then pack into 20' or 40' container or in bulk etc


Lead time

7-30 days or as per your requirements


Submerged arc welding

Submerged arc welding (SAW) is a common arc welding process. The first patent on the submerged-arc welding (SAW) process was taken out in 1935 and covered an electric arc beneath a bed of granulated flux. Originally developed and patented by Jones, Kennedy and Rothermund, the process requires a continuously fed consumable solid or tubular (metal cored) electrode. The molten weld and the arc zone are protected from atmospheric contamination by being "submerged" under a blanket of granular fusible flux consisting of lime, silica, manganese oxide, calcium fluoride, and other compounds. When molten, the flux becomes conductive, and provides a current path between the electrode and the work. This thick layer of flux completely covers the molten metal thus preventing spatter and sparks as well as suppressing the intense ultraviolet radiation and fumes that are a part of the shielded metal arc welding(SMAW) process.

SAW is normally operated in the automatic or mechanized mode, however, semi-automatic (hand-held) SAW guns with pressurized or gravity flux feed delivery are available. The process is normally limited to the flat or horizontal-fillet welding positions (although horizontal groove position welds have been done with a special arrangement to support the flux). Deposition rates approaching 45 kg/h (100 lb/h) have been reported — this compares to ~5 kg/h (10 lb/h) (max) for shielded metal arc welding.

Although currents ranging from 300 to 2000 A are commonly utilized, currents of up to 5000 A have also been used (multiple arcs).

Single or multiple (2 to 5) electrode wire variations of the process exist. SAW strip-cladding utilizes a flat strip electrode (e.g. 60 mm wide x 0.5 mm thick). DC or AC power can be used, and combinations of DC and AC are common on multiple electrode systems. Constant voltage welding power supplies are most commonly used; however, constant current systems in combination with a voltage sensing wire-feeder are available.


Product manufacturing process

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Product details


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Product size



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Certifications of product



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Product Applications



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Packaging and transportation


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

No.92 JieFang East Road ,Cangzhou City, Hebei,P.R.China.

 has more than eighteen 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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FAQ

Why to choose us?

1.We provide products to our customers individual specifications and special needs with competitive price and best service.

2. Immediate respond

We will be 24/7 on line at your services. Provide one-to-one service with our sincerity.

3. Professional suggestions

We could provide you the professional suggestion with our expertise acumen.

4. Short delivery period

We are based on a long-term cooperation with several major domestic steel company with an outstanding advantage is sufficient supply. Shorter the supplying period.

 

 

  

 




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