Discover the versatility and strength of 45#/C45/A1045 Carbon Steel Square Pipe, available in seamless, ERW, and LASW tubes with customizable section sizes and lengths. Ideal for fence, greenhouse, and construction applications, our pipes feature high corrosion resistance, easy processing, and compliance with API 5L, ASTM standards. ISO9001 and EU CE certified, we welcome global customers for long-term cooperation.

Discover our high-quality ST37-2 Carbon Steel Rectangular Pipe available in seamless, ERW, and SSAW options. With customizable section sizes, lengths, and a range of surface treatments, our pipes are ideal for versatile applications including building construction and scaffolding. Meeting API 5L, ASTM, and other international standards, our products are reliable and durable. Visit us for more details.

Discover the versatility of St44-2 Carbon Steel Rectangular Pipe, available in seamless, ERW, and SSAW types with customizable wall thickness, outer diameter, and length. Ideal for fence, greenhouse, and building construction, our pipes meet API 5L, ASTM, and other international standards. With galvanized, PVC, and color painting surface treatments, our pipes are corrosion-resistant and durable. Order now for high-quality, customizable rectangular pipes!