Kenco Tubes offers high-quality square pipes and square tubes (including square seamless, square welded/ERW, large diameter and EFW variants) across a wide range of materials — stainless steel, carbon steel, alloy steel, duplex and super-duplex, nickel- and copper-alloys — manufactured to ASTM/ASME/DIN standards. Ideal for structural, oil & gas, chemical, marine and power-generation a... https://www.kencotubes.com/square-pipes-supplier-exporter.html