Seamless pipe

Standard Seamless Pipe with Grades of ASTM A106 Gr. B, ASTM A53 Gr. B and more.

25 Years Factory Of SMLS Steel Pipes. Quote Now !!

seamless steel pipes hardness testing

Seamless Pipe

  1. Seamless Pipe Standards: ASTM A106, ASTM A53, API 5L, API 5CT, STM A179/ASTM A789/ASTM A333, ASTM A192, ASTM A210, ASTM A213, ASTM A312, DN17175/EN10216 /DIN1629
  2. Grades: Grade A, Grade B, X42, X46, X52, X56, J55, K55, N80, P110
  3. Sizes: 
    Out diameter: 1/4″-36″(13.7mm ~914mm, DN8~ DN900)
    Thickness:1.65mm ~30.96mm(SCH 5S ~SCH XXS)
    Length: 3m-18m
  4. End Type: Plain, Bevelled, Threaded, Grooved
  5. Surface Coating: Varnishing, Oiling, Hot Dip Galvanizing(FBE, 2PP, 3PP, 2PE, 3PE)
  6. Joint Method: Fitting, Flange, Coupling, Clamp, Pipe Shoulder, Welding
  7. Pipe Machining: Welding, Bending, Hole Drilling, Punching, Swaging, Tapering, Flaring, Expanding

Why Choose Us ?

Since our establishment in 1998, PandaPipe won a lot of reputation and  praise as a seamless pipe supplier with a unique blend of wit, charm, and unmatched expertise. 

We pride ourselves on being more than just a Seamless Pipe Manufacturer; we are an unstoppable force, passionately serving a diverse range of industries such as Oil & Gas, Solar Energy, Construction, and Machinery.

We value your deadlines as much as you do. Our manufacturing processes flow seamlessly to ensure that your projects are completed on time. 

With PandaPipe as your trusted partner, you can bid farewell to wishful thinking and embrace the certainty of timely project delivery.

seamless steel tube

Seamless Pipe Production Process


Since 1998, we have been committed to excellence in seamless pipe manufacturing.

Our state-of-the-art production line incorporates the latest technology and specializes in SEAMLESS PIPE manufacturers.

Over the years, we have continued to innovate and maintain high quality standards to provide our customers with reliable products.

Our Advantages

We not only have high quality SMLS Pipe, but also have better service as well as reasonable price. Low MOQ, response to information within 8 hours, traceability of product process, etc. We offer competitive prices and provide you with value-for-money products and services.


Raw Material Tracing

20000MTs Stocked Pipes

Pipeline Information Marker

Production Process Reporting

Tripartite Quality Inspection

Timely Delivery

Package Protection

Years Experience
Projects Done
Happy Clients

Category of Seamless Pipe

Certificates of Seamless Steel Tubes

Manufacturing Process of Seamless Tube

Seamless Pipe FAQ

What are the advantages of seamless steel tubes over welded ones?

Seamless steel tubes lack welded seams, ensuring uniform strength and integrity, offering better pressure resistance and enhanced reliability compared to welded tubes. They are better suited for high-pressure applications due to their consistent structure.

Seamless steel tubes find extensive use in industries such as oil and gas, automotive, construction, aerospace, and manufacturing

They are preferred in applications requiring high-pressure, high-temperature, or corrosive environments due to their strength and durability.

Seamless steel tubes are typically produced through a process called cold drawing or hot rolling. This involves pulling a solid steel billet through a piercing rod to create a hollow tube. Cold drawing ensures precision and control over dimensions and surface finish.

There are various types of seamless steel tubes, including seamless carbon steel tubes, stainless steel tubes, alloy steel tubes, and specialized tubes like hydraulic or precision tubes, each catering to specific industrial requirements based on material composition and application.

Generally, seamless steel tubes tend to be more expensive due to their manufacturing process, precision, and superior quality. However, their durability, reliability, and performance in critical applications often justify the higher cost over welded tubes in certain scenarios.

PandaPipe Clients

Related Products

Our Advantages

  1. Over 25 years of experience in pipeline production and installation.
  2. Comprehensive inspection equipment.
  3. Independent product serial numbers for traceability.
  4. Advanced production equipment – Seamer high-frequency welding machine from the United States.
  5. Complete qualifications – API 5L/API 5CT/FM/UL fire pipe certification, etc.
  6. Wide range of products – independently developed solar torque tubes, highly favored in the European market.
  7. Customers spread across the globe.
  8. Excellent after-sales service and sense of responsibility.