... Ton/Tons per Month Specificationsoffer different types of high quality pipes & tubes 1)Suitable for conveyance of gas, petroleum, fluid, and electricity 2 ... finish: black, blank, bright and galvanized, or painted C: Length of each pipe: 500mm-16,000mm D: Steel grade: 10#, 20 ... all details, please never hesitate to contact us. offer different types of high quality pipes & tubes