hot dipped galvanized steel pipes/tubes 1)OD: 10-426MM 2)WT: 0. ... and water supply projects; building, central air-conditioning pipe, fence, threading pipe, rolling doors, metal frame, support tube, furniture, ... days after deposit Other productsWelded steel pipe,square/rectangular hollow section,seamless steel pipe, steel strip, steel coil, square ... strictly hot dipped galvanized round steel pipes/tubes