Carbon Steel Pipes — ASTM A53, A106, API 5L
Carbon steel pipe supplier for ASTM A53, ASTM A106, ASTM A333 and API 5L seamless and ERW pipes for construction, HVAC, firefighting and oil & gas projects.
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Pipe Steel Industries · A division of Tianjin Baocang Steel Pipe Group (TBSP)
Steel Pipe, Fittings & Flanges Supplier for Industrial Projects
Pipe Steel Industries supplies carbon steel pipes, stainless steel pipes, fittings, flanges and UL listed fire sprinkler pipes — with manufacturing in Tianjin, China and warehousing near Tianjin International Sea Port for fast project delivery worldwide.
- Production facility area
- 195,000 m²
- Annual production capacity
- 150,000 MT
- Pipes & fittings in stock at mills
- 60,000+ tons
- Group established in Tianjin, China
- 1992
Products
Steel Pipe Product Range
Carbon steel and stainless steel pipes with matching fittings and flanges, supplied against ASTM and API standards with mill test certificates.
Stainless Steel Pipes — ASTM A312 304L / 316L
Stainless steel pipe supplier for ASTM A312 and A358 seamless and welded pipes in 304/304L, 316/316L and 321 grades for marine, petrochemical, food and pharmaceutical projects.
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Steel Fittings & Flanges — Buttweld and Forged
Steel fittings and flanges supplier: buttweld elbows, tees and reducers to ASTM A234/A420/A403 and forged flanges to ASTM A105/A350/A182, matched to your pipe order.
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Fire Sprinkler Pipes — UL Listed
UL listed fire sprinkler pipe supplier (UL certificate EX29457) for firefighting systems. ASTM A53 sprinkler pipes, red-painted or galvanized, grooved or threaded ends.
View Fire Sprinkler Pipes specifications →Industries Served
Built for Demanding Applications
Our pipes and fittings serve chilled water transportation, fire protection, structural works, piling and process piping across landmark projects in the GCC region and worldwide.
- Construction & Infrastructure
- HVAC & Chilled Water
- Firefighting & Fire Sprinkler Systems
- District Cooling
- Oil & Gas
- Marine & Offshore
- Energy & Power
- Structural & Piling Works
Quality & Certifications
UL Listed. ISO 9001 Certified.
Pipe Steel Industries holds a UL listing for fire sprinkler pipe (certificate EX29457) and an ISO 9001 certified quality management system. Pipes are produced from fully killed steel billets with Eddy Current, ultrasonic and hydrostatic testing on every batch.
- UL certificate EX29457 for fire sprinkler pipe — download the UL certificate
- ISO 9001 certified quality management system
- Mill test certificates supplied with every order
- Eddy Current, UT and hydrostatic testing in production
Value-Added Services
Pipe Processing & Finishing
Beyond supply, we prepare pipes for your site: surface treatment, protective coatings and custom modifications.
Shot Blasting & Pickling
Surface preparation for enhanced pipe quality and coating adhesion.
Hot-Dip Galvanizing
Zinc coating for long-lasting, rust-resistant pipes in harsh environments.
Coating & Lining
Customized pipe coating for corrosion resistance and extended service life.
Pipe Modifications
Cutting, bending, beveling, grooving and threading to project specifications.
Project Supply
Complete Project Packages, On Schedule
A dedicated project management and procurement team packages complete piping scopes — including hard-to-find and low-quantity items — with documentation, inspections and logistics handled end to end.
Documentation
Catalogues, Data Sheets & Certificates
Download our company profile, product data sheet and UL certificate for your vendor registration and engineering submittals.
- Pipe Steel Industries Company ProfilePDF, ~4.4 MB
- Product Data SheetPDF, ~0.9 MB
- UL Certificate EX29457PDF, ~1.5 MB
Request a Quotation
Send us your product type, standard, grade, sizes and quantities — our sales team responds with pricing and delivery schedules for your project.