不論是普通型還是輕型的工字鋼都有著翼緣窄、腹板高的特點，形如其名就像一個高瘦的“工”字，但是翼緣與腹板之間并不像字一樣垂直，而是存在著弧度。這種特點也使它的兩個主軸的性能產生差距，這不是個好現象，不僅局限了工字鋼的適用范圍還使其容易產生失衡現象。穩定性得不到保證又怎么能保證鋼結構建筑的性能呢。
Both ordinary and light I-beams have the characteristics of narrow flange and high web. The shape is like a tall and thin "I" word as its name, but the flange and web are not as vertical as the word, but there is radian. This feature also makes the performance of its two main shafts have a gap, which is not a good phenomenon. It not only limits the scope of application of I-beam, but also makes it easy to produce imbalance. How can the performance of steel structure buildings be guaranteed if the stability is not guaranteed.
H型鋼可以說是工字鋼的進化體，它完善了工字鋼不太合理的截面形狀，加長了翼緣并使其與腹板呈現垂直狀態，這使它對于來自兩方的力都能抵御，截面性能也更加穩定，承載能力的得到了顯著的提升。在同等的承重條件下，H型鋼的用鋼量要少于工字鋼，節省生產成本。
H-beam can be said to be the evolution of I-beam. It improves the unreasonable section shape of I-beam, lengthens the flange and makes it perpendicular to the web, which makes it resistant to the forces from both sides, the section performance is more stable, and the bearing capacity has been significantly improved. Under the same load-bearing conditions, the steel consumption of H-section steel is less than that of I-beam, saving production cost.
H型鋼的規格齊全，能夠滿足各種設計要求，它準確的規格也使其在與其它構建連接時更加緊密，鋼結構整體性更強，更加穩定，在面對強風或地震時它能夠更加穩定。。
The specifications of H-section steel are complete and can meet various design requirements. Its accurate specifications also make it more closely connected with other structures, the integrity of steel structure is stronger and more stable, and it can be more stable in the face of strong wind or earthquake..
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