Jinghai District Tianjin City, China

Cold Drawing q420b astm a252 grade 3 seamless steel pipe

Short Description:

 Introducing Cold Drawn Q420B ASTM A252 Grade 3 Seamless Steel Pipe – a premium product designed to meet your industrial needs. With its exceptional durability and superior performance, this seamless steel pipe is the perfect solution for a variety of applications.

Product Detail

Product Tags

Certificate:API, JIS, GS, ISO9001
Grade:20# / Gr.B
Surface Treatment:oiled ,painted etc.
Processing Service:Welding, Punching, Cutting, Bending, Decoiling
Delivery Time:within 7 days
Technique:Cold Drawn
Certification:BSI; CE;ISO;

Cold Drawing q420b astm a252 grade 3 seamless steel pipe

Q420B ASTM A252 Grade 3 seamless steel pipe is manufactured using advanced cold drawing technology to ensure smooth and uniform internal and external surfaces. This process increases strength and corrosion resistance, providing a long-lasting solution to your industrial needs.

One of the main features of this seamless steel pipe is its high tensile strength. It is made from high-quality materials such as Q420B, which offers excellent mechanical properties and is suitable for applications where strength and reliability are critical. Whether you need to transport liquids, gases or solids, this seamless steel pipe will provide a safe, leak-free connection.

Product Description


Product name

Resaonable price thick wall st44 chinese tube4 seamless carbon steel gals tube for sale




Thickness: Length 17.1-610mm



API 5L, API 5CT, ASTM A106, ASTM A53, etc


Q195, Q235, Q345; ASTM A53 GrA,GrB; STKM11,ST37,ST52, 16Mn,etc.


Plain ends pipe,cutting threading, beveled, 3PE steel pipe, black and color painting, anti-rusting oilsteel pipe, varnish paintingsteel pipe, zinc-coating steel pipe, steel stamp, drilling, diameter reducing pipe etc.


Surface Treatment

1. PVC,black and color painting

2. Transparent oil,anti-rust oil

3. According to clients requirement


Bundle;Bulk;Plastic bags ,etc





We can do special orders as customer's requirement.

We also can provide all kinds of steel hollow pipes.

All the production process are made under the ISO9001:2008 strictly

Related products

Production process

ASTM A252 Grade 3 certification further guarantees the quality and durability of this product. This international standard ensures that seamless steel pipes meet the necessary requirements for load-bearing applications, making them ideal for structural and construction purposes. Its sturdy structure can withstand heavy loads and extreme environments, ensuring the safety and stability of your project.

Additionally, the pipe’s seamless design eliminates the risk of leaks, ensuring smooth flow of whatever material is being transported. Whether you are dealing with water, oil, natural gas or any other fluid, this seamless steel pipe guarantees a reliable and efficient transfer process. This increases operational efficiency and reduces maintenance costs, making it a cost-effective solution for your industrial needs.

Additionally, Q420B ASTM A252 Grade 3 Seamless Steel Pipe is available in a variety of sizes and dimensions, providing flexibility and adaptability to meet your specific requirements. With its wide range of options, you can seamlessly integrate this product into your existing systems or customize it to fit your unique application.

Additionally, our commitment to quality extends to our customer service. We have a team of experts dedicated to supporting and assisting you throughout the buying process and beyond. From technical guidance to product recommendations, we'll ensure your satisfaction and help you get the most out of our seamless steel pipe.

In summary, Cold Drawn Q420B ASTM A252 Grade 3 Seamless Steel Pipe is the perfect combination of strength, durability and reliability. Its exceptional performance coupled with high-quality construction makes it ideal for a variety of industrial applications. Experience the difference this premium seamless steel pipe makes and take your projects to new heights.

Company Information

Tianjin Reliance Company , is specialized in manufacturing steel pipes. and many special service can be done for you. such as ends treatment, surface finished, with fittings, loading all kinds of sizes' goods in container together, and so on.galvanized steel pipe


Our office is located in Nankai distric, Tianjin city, near Beijing, the capital of China, and with excellent location.It just takes 2 hours from beijing international airport to our company by high speed rail.and the goods can be delivered from our factory to Tianjin port for 2 hours. you can take 40 minutes from our office to Tianjin beihai international airport by subway.


Export record:

India,Pakistan,Tajikistan,Thailand,Myanmar,Australia,Canada,United States,United Kingdom,Kuwait,Mauritius,Morocco,Paraguay,Ghana,Fiji,Oman,Czech Republic,Kuwait,Korea and so on. galvanized stel pipe

Packaging & Shipping



Our Services:

  • we can do special orders accoding to the customers' requestments.
  • we also can provide all kinds of sizes' steel pipes.
  • All the production process are made under the API, ASTM 106 Standard strictly.
  • Sample: free and similar sizes ones.

 galvanized steel pipe

Q: Are you factory or trading company?

A:Yes, we are factory in Tianjin of china for many years. We can give you the factory price directly.


Q:Could you provide the samples?

A:Sure, but it is just for normal sizes, and the freight will be paid by you.


Q:What is your MQO?

A:1tons, it is better for bundles.


Q:Do you have stockist goods?galvanized steel pipe

A:Yes, but you must send me the sizes you need , let me check it for you.

Contact us

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