ERW, LSAW STEEL PIPE Manufacturer

Specification: φ60.3-1,829mm(2”-72”)

API 5L, ASTM A53, AS/NZS 1163:2016, EN10210, ASTM A671/A672, ASTM A691…

Get A Quote

ERW, EFW, LSAW, DSAW (2″-56″) steel pipe manufacturer

API 5L PSL1 & PSL2 Line Pipe

  • ERW, LSAW, DSAW steel pipe;
  • Grade: B, X42-X80; Diameter up to 72”
Get Latest Quote

AS NZS 1163 Hollow Sections

  • Grade: C250/C350/C450 L0
  • O.D: 114.3-1,422mm; Round pipe, bend pipe
Get Latest Quote

ASTM A252 Steel Pipe Piles

  • Grade: 1, 2, and 3
  • Out diameter: 219.1-1016mm;LSAW, DSAW pipe piling.
Get Latest Quote

ASTM A53 B ERW Pipes

  • Grade: B; 2”-26”; 6-12 meters
  • Surface: Bare, black, HDG (Hot dipped galvanized)
Get Latest Quote

ASTM A671 EFW Steel Pipes

  • Grade: CA55, CB60, CB65, CB70, CC60, CC65, CC70
  • Out diameter: 406.4-1,422mm
Get Latest Quote

ASTM A672 EFW Steel Pipes

  • Grade: CA55, CB60, CB65, CB70, CC60, CC65, CC70
  • Out diameter: 406.4-1,422mm
Get Latest Quote

FBE/3LPE Coating Pipes

  • Standard: DIN30670/30678, CSSA Z245.20, AWWA C210
  • Coating thickness: 2.9mm / 3.2mm / 3.5mm / 3.7mm / 4.2mm
Get Latest Quote

EN10210 Structural Steel Pipes

  • Grade: S235, S355 JR/J0/J2; ERW, LSAW steel pipe
  • O.D: 60.3-1,422mm; Round pipe, bend pipe
Get Latest Quote

About LONGMA

Hebei Longma Steel Pipe Manufacturing Co., Ltd (LONGMA) is one of China leading ERW/LSAW steel pipes manufacturers since 2003, with a registered capital of 441.8 billion, covering an area of 230,000 square meters. The company specializes in the production: large-diameter thick-walled double-sided sub-arc-seam welding steel pipe, LSAW-Longitudinal Submerged Arc Welded, ERW steel pipes. By the end of 2022, the company’s annual output exceeded 500,000 tons.

Why Choose Us

Professional Experiences

We have been serving the Oil and Gas company for the last decades, succeed to achieve profitable full satisfied contracts with the most famous customers of the oilfield activity such as SINOPEC / CNPC / PEMEX / PDVSA / PTTEP / AMOTIC / ITECO, and much more.

Efficient Production & Inspection

The fastest delivery of some stock pipes is 7 days, commonly used sizes are delivered within 30 days, and customized products are delivered within 45 days.
From the purchase of steel plates to the delivery of steel pipes, we have specialists to follow up and provide records of various tests/inspections.

Complete Traceability

Every single product from LONGMA is completely traceable for each process, including raw material control, Heating No, Batch No, and Product No. Once the Non-qualified material is found, corresponding test and improvement will be done accordingly.

Factory Facility

Our Featured Porjects

Our Certificates

Our Certificates

Recent News

Recent News

  • All
  • Knowledge
  • News
Check All Posts
  • All
  • Knowledge
  • News

How Can We Help?

Your dedicated customization consultant will help you complete every important step of the puzzle customization process.

Please do not hesitate to contact us.

Driect Email: info@winchoiprint.com

Request Free Quote

Request Free Quote

Cooperative Partner

Free Consultation

Get In Touch

How Can We Help?

Longma experienced engineers are here to guide you through every critical step in your project.

Please do not hesitate to contact us.

Phone:
+86 18661500134

Wechat ID: 008618661500134

Request Free Quote