... structural steel 1.steel grade:Q235,Q345,SS400 2.standard:JIS,GB/T11263-1998 3.size:100*100-900*300mm high quality H ... -900*300mm, details please check below4.length6m or 12m5.applicationused for machinery, procesing, structure building, automobile manufacturing, shipbuilding, electric ... 496*199, 500*200mmPlease feel free to contact me for further information and hope to cooperate with you in the ...