Import Erw Steel Pipes — Buy in Bulk from Supplier in China

ERW steel pipes from Tianjin Zhongshun Petroleum Steel Pipe Co., Ltd. are manufactured using electric resistance welding, with outer diameters ranging from 21.7mm to 457.2mm and wall thicknesses between 1.4mm and 14.8mm. These dimensions align with common industrial standards for low to medium pressure fluid transport and structural applications. The pipes are produced from carbon steel grades such as ASTM A53 Grade B or equivalent, ensuring predictable tensile strength and weldability under standard conditions.

The supplier offers pipes with optional hot-dip galvanization, which adds a zinc coating typically between 45 and 60 micrometres thick to improve corrosion resistance in outdoor or humid environments. While the listing mentions spiral submerged arc welded pipes up to 3040mm diameter, those are a separate product line; ERW pipes here are limited to the 457.2mm maximum diameter. Material composition follows standard carbon steel specifications without alloying elements unless specified by the buyer. Surface finish is clean and mill-scale free, suitable for threading or flanging without additional prep.

These pipes are commonly purchased by contractors in oil and gas pipeline infrastructure, water distribution networks, and structural framing projects in commercial construction. Buyers typically require lengths between 5.8m and 12m, though custom cuts are available upon request. Trade terms include FOB Tianjin port and CIF options, with packaging in steel strapping or wooden crates for sea freight. MOQ is not stated and must be confirmed directly with the supplier.

Tianjin Zhongshun Petroleum Steel Pipe Co., Ltd. is based in the Development Zone, Daqiuzhuang Town, Jinghai County, Tianjin, China. The company is listed as an imported supplier with harbor-level trust verification, indicating it has completed basic export documentation and compliance checks. No details are provided on years in operation, workforce size, or annual production volume. The listing confirms active engagement in ERW pipe manufacturing but does not claim certifications, client names, or export history beyond what is visible in the platform profile.

The supplier does not publish technical data sheets or third-party audit reports on its public profile. While it responds to inquiries, the response rate and average response time are not recorded, suggesting limited automated or dedicated sales support. Buyers should treat this as a manufacturer with documented export capability but without verified quality management systems disclosed in the listing. No claims about ISO, CE, or API certifications are substantiated by supporting documentation visible here.