... 235,SS400,etc. 2.QB, JIS, European standard 3.length is 6m---12m. hot rolled channel steel Grade: ... steel with reasonable price. Including Chinese standard, Japanese standard and so on.Material: SS400, ST37-2, A36, S235JRG1, Q235, Q345 ... -235,SS400,etc. 2.QB, JIS, European standard 3.length is 6m---12m. size (mm)thickness (mm)thickness ... /m)50*253.00~5.006.002.37~3.4675*403.807.005.3075*404.007.005.6075 ...