Hot Dipped Galvanized Steel Pipe1,Website:http://www.sinosteelpipes.com,Specification ... 12mSize ListBS 1387 Class B pre galvanized round carbon steel pipe specificationsODThicknessDNINCH151/2″0.6-2 ... 0-3.02008″1.0-3.0 Hot Dipped Galvanized Steel PipeO.D15-219mmO.D tolerance± 0. ... railway, highway guardrail, container frame, furniture, decoration, steel structure etc. 3,Product show: (1 ...