H profile steel 1.steel grade:Q235,Q345,SS400 2.standard:JIS,GB/T11263-1998 3.size:125*125*6.5*9mm H profile steel1. Grade: Q235B/SS400,2. Standard:JIS,GB/T11263-19983. Size:125*125*6.5*9mm4. The Features and Advantages:--- If bear the same press, then the H Beam can save 10%-15% material.--- You can have more designs of the rooms if you use H Beam than concrete.--- The H Beam is light than the ...