What are the specifications for H steel HW, HB, HN?
HW is a H type steel flange height and width substantially equal; mainly used for reinforced concrete frame column steel column, also known as rigid steel column; column is mainly used in steel structure.
HN is H steel with a flange width ratio greater than or equal to 2; used mainly for beams and I-beam purposes, equivalent to HN.
HN is H steel with a flange width ratio greater than or equal to 2; used mainly for beams and I-beam purposes, equivalent to HN.