... A106B/A53A/A53B/ A178A179 C/A210C Features:1ProductCarbon Steel Seamless pipe ASTM A 106 GRB2Type Hot rolled ,cold drawn or precision ... for oil well, boilers, precision machines, petro-chemical, ship, structure pipe, automobile,shock absorber,building, geology, fluid tubes, line ... pipe etc4Mill Certificate Mill Test Certificate will provide 5Length 5. ...