1. seamless steel pipe/tube 2.Standard: BS, JIS, GB, DIN, ASTM 3.Grade :20#.45# 16Mn Q235 1. seamless steel pipe/tube2.Standard ... for oil well, boilers, precision machines, petro-chemical, ship, structure pipe, automobile,shock absorber,building, geology, fluid tubes, line ... pipe etc7.Packing Black painting,end beveled,ends protected with plastic ...