Welded H steel yog siv rau cov khoom siv, thiab muaj cov yam ntxwv ntawm lub teeb yuag, zoo rigidity, zoo heev, zoo nkauj tsos, yooj yim siv, thiab ceev kev tsim kho ceev. cov chaw nres tsheb hauv cov chaw nres tsheb, cov chaw ua haujlwm loj loj, lub tsev khaws khoom, cov tsev ua haujlwm tshiab, cov tsev txawb, cov tsev nyob, thiab cov khoom siv.