... Grade: 55C, S450J0, UC305*305 1.standardGB/T 11263, GB/T700, ASTM, EN, DIN, JIS2. Steel gradeQ345C, Q345D, Q345E, Q345EL, Q420D, ... , SM570, 55C, S450JO, UC305*3053. Length6METER, 9 METERS, 12METERS or customized.4. packingBlack painting and in bundles5. shippingBy bulk cargo ... or container6. payment100% irrevocable L/C at sight or T/T 7. applicantWidely used in ...