... steel pipe: 1. Factory Direct sell 2. OD: 219-1219mm 3. GB,ASTM,DIN,JIS 4. Carbon Steel Pipe Steel Tube 500 mm in ... Diameter Large Diameter Steel Pipe DN500 Steel Pipe1. ... GB,ASTM,DIN,JIS,BS 4. Carbon steel pipeSpecifications: StandardASTM, BS, JIS, DINSteel ... building industy,Chemical industy,Petroleum,Traffic. Tolerance OD :+1% / -1% WT: +12.5% / -10% Main ...