... . Material: Q195, Q215, Q235, Q345B, X42, Gr. B rectangular hollow section1. Item: square & rectangular hollow section2. Standard: GB, ASTM, BS, JIS,3 ... ; Length: 5.8 meters for 20' container, 6 meters to 12 meters for 40' container.5. Application: Used for low pressure liquid ... in the supply of ERW steel pipe, seamless steel pipes, rectangular steel pipes. We supply steel as the manufacturer's price ...