... and water supply projects; building, central air-conditioning pipe, fence, threading pipe, rolling doors, metal frame, support tube, furniture, ... 20# A53(A,B) 16MnStandardASTM GB BS DIN EN API JIS Min quantity10MTPaymentT/T. L/CTrade termsFOB/CFR/CIF/ ... 30 days after deposit Other productsgalvanized steel pipe,square/rectangular hollow section,seamless steel pipe, steel strip, steel coil, square bar ...