Chongqing Zhengshen Stainless Steel Products Co.,Ltd.

quality Seamless Steel Pipe, Precision Steel Pipe manufacturer from China

quality supplier Main Products

Galvanized Steel Pipe API 5L ASTM A252 Square Rectangular

December 28, 2025
Discover the superior quality and versatility of our API 5L/ASTM A523/ASTM A252 Galvanized Coated Hollow Square and Rectangular Tubes. Perfect for a wide range of applications including fluid pipes, structure pipes, and oil pipes, these durable tubes offer exceptional corrosion resistance thanks to their galvanized coating.

Manufactured to strict ISO9001:2008 standards, our tubes are available in various grades like S235JR, SPHC, and CS Type B, with thicknesses from 1-6mm and lengths of 6m. We offer flexible fabrication services including plain ends, cutting, threading, welding, punching, and bending to meet your specific project needs. The silvery, galvanized surface treatment ensures long-lasting protection and a professional finish.

Whether you're in construction, oil and gas, or chemical industries, our galvanized square and rectangular steel pipes provide a reliable and cost-effective solution. We offer custom orders and ensure a delivery time of just 15 days.

Don't compromise on quality. Contact us today to learn more and get a quote for your next project!