Large Diameter Longitudinal Submerged Arc Welded Pipe

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TT or LC
Min Order Qty:
20 m.t.
Supply Capability:
11000 m.t./month

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Product Description:

1Structure of Large Diameter Longitudinal Submerged Arc Welded Pipe: 

Welded Steel Tube is widely applied to line pipe and casing and tubing in oil transportation and casing field and so on. It is formed by drawing a solid billet over a piercing rod to create the hollow shell. We are company that have many years experience and professional manager team and engineer team and sales team, sure we will provide you high quality of welded pipe and professioanl service.


2‍‍Main Features of Large Diameter Longitudinal Submerged Arc Welded Pipe:

High working accuracy

High strength

Small inertia resistance

Strong therming dissipine ability

Good appearance

Reasonble price


3Large Diameter Longitudinal Submerged Arc Welded Pipe Specification



ASTM A106-2006, ASTM A53-2007


10#-45#, 16Mn

10#, 20#, 45#, 16Mn


8 - 33 mm

Section Shape


Outer Diameter

133 - 219 mm

Place of Origin

Shandong, China (Mainland)

Secondary Or Not



Hydraulic Pipe


Cold Drawn



‍Surface Treatment

factory state or painted black

‍Special Pipe

API Pipe

Alloy Or Not




Outer Diameter



20#, 45#, Q345, API J55, API K55, API   L80, API N80, API P110, A53B




1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.

2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.

3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing. 


4Packaging & Delivery

Packaging   Details:

seaworthy   package,bundles wrapped with strong steel strip

Delivery   Detail:

15-30days   after received 30%TT


5FAQ of Welded Steel Tube:  

How is the quality of your products?
     We have many years business experience in this area, and we have professional engineer and manager team and sure we can provide you high quality production and professional service.

How about price?
    Please trust the quotation we would give you, it is professional one.We quote as lowest as possible for any customer.Don't waste your time if you are not agree with our price.

Why should you chose us?
    Our service formula: good quality+good price+good service=customer’s trust. We will do our best to provide you good service.


6‍‍ Large Diameter Longitudinal Submerged Arc Welded Pipe Images






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