ASME API 5L High Quality Stainless Steel Pipe

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Min Order Qty:
25 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

1Structure of Seamless Pipe: 

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 pipe and professioanl service.

Seamless pipe possesses a hollow section and without seam around the strip steel. It is made with solid bar or steel ingot by perforating machine. As the facture process does not include any welding, seamless pipes are considered to be stronger and more durable. Generally speaking, seamless pipe has better pressure resistance and security than other classifications, and was usually more easily available than welded pipe.


2‍‍Main Features of the Seamless Pipe:

High working accuracy

High strength

Small inertia resistance

Strong therming dissipine ability

Good appearance

Reasonble price


3Seamless 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) Executive 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 Seamless Pipe:  

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?
    Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

Why should you chose us?
    We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.


6‍‍Seamless Pipe Images ‍‍




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Q:304 stainless steel has several advantages, a few big advantages, the more concrete the better
304 stainless steel has excellent stainless steel corrosion resistance and better intergranular corrosion resistance. The oxidizing acid, in the experiments: the concentration of more than 65% of boiling temperature following nitrate, 304 stainless steel has high corrosion resistance. Alkaline solution and most organic acids and inorganic acids also have good corrosion resistance.
Q:Classification, advantages and disadvantages of stainless steel welding
The utility model has the advantages of universal use and easy operation, and is mainly regulated by people, and the welding seam material is an electric welding strip. Manual welding can weld almost all of the material, even outdoors, so it has good adaptability and is usually powered by direct current.Welding, either titanium type electrode, can also be sealed. The titanium electrode is easy to weld, the welding seam is beautiful, and the welding slag is easy to remove. But the drawback is that if you do not use it for a long time, you must bake it again to prevent moisture accumulation.
Q:What factory uses industrial stainless steel tube to be more?
The electric power industry including nuclear power industry, the demand for stainless steel tube is large, the industry mainly uses the stainless steel seamless pipe, specific application fields: boiler pipes, water pipes, power tubes etc..According to the World Nuclear Association reports, China has 5 power stations under construction, 6 included in the plan, 19 are planning, it is estimated that power plant construction and maintenance of various types of stainless steel pipes each year about 25600 tons.
Q:What does "stainless steel pipe 201304" mean?
201 stainless steel has a certain acid, alkali resistance, high density, polishing, no bubbles, no pinhole and other features, is the production of various watchcase, strap, cover, high-quality materials. Mainly used for decorative pipes, industrial pipes, and some shallow stretch products. The product belongs to high manganese, low nickel stainless steel, nickel content is low, poor corrosion resistance, in all kinds of desktop, countertops, kitchenware, and outdoor decoration projects and urban decoration industry and high-end household products, a larger amount.
Q:304 stainless steel, welded to seamless difference in what place?
Chemical composition of seamed pipe and seamless pipe are different. The production of seamless steel components only meets the basic requirements of astm. The production of seamed tube steel containing suitable for chemical composition of welding. For example, the mixing of silicon, sulfur, manganese, oxygen, and a certain proportion of elements such as the triangle ferrite can produce a welding flux which is easy to transfer heat during welding, so as to make the whole weld be welded well. The lack of steel pipe above the chemical components, such as seamless tube, can produce all kinds of unstable factors in the process of welding, welding and welding penetration is not easy.
Q:How much is one ton of stainless steel pipe?
Basically, each shop is not the same, each place is not the same, you can ask more about the goods than three?
Q:What's the difference between stainless steel 302 or 304?
Type 302 - 304 with corrosion resistance, due to the relatively high carbon intensity. Model 304 - general model: 18/8 stainless steel. GB is 0Cr18Ni9. 302 and 304 stainless steel is widely used in curtain walls, side walls, roofs and other building applications. These two, I think, are basically different. The quality and texture are almost the same.
Q:Advantages and disadvantages of PPR lined stainless steel pipe and PPR aluminium plastic pipe
1 、 aluminum plastic composite pipe including lap welding aluminum plastic composite pipe and butt welding aluminum plastic composite pipe, butt welding, the thickness of the aluminum strip and welding process requirements are relatively high.2, the existence of lap welding aluminum layer, increased the modulus of the pipe, and the wall thickness is more thick, installation of pipe is more difficult to bend, need to use more pipe fittings for connection, therefore, field construction is more difficult than PP-R. And the plastic aluminum steady state composite tube must first strip off the outer protective layer, the adhesive layer and the aluminum layer before welding, and then can connect. If the adhesive layer is not clean, it will lead to welding unreliable and leak point.
Q:SA-179 what kind of material is steel pipe?
Seamless steel pipe having a hollow cross section, used as a conduit for conveying fluids, such as pipelines for transporting petroleum, natural gas, gas, water, and certain solid materials.
Q:What are the weld sleeves for stainless steel pipes?
The process is the same as you set for the pipe welding material quota, stainless steel drop can, on the line in the budget when a show

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