Q235B SS400 Q345B H-shaped Steel

There are many product specifications of H-shaped steel, and the classification methods are as follows. (1) According to the flange width of the product, it is divided into wide flange, medium flange and narrow flange H-shaped steel. The flange width B of wide-flange and medium-flange H-shaped steel is greater than or equal to the web height H. The flange width B of narrow-flange H-shaped steel is approximately equal to one-half of the web height H. (2) According to product use, it is divided into H-shaped steel beams, H-shaped steel columns, H-shaped steel piles, and extremely thick flange H-shaped steel beams. Sometimes parallel leg channel steel and parallel flange T-shaped steel are also included in the scope of H-shaped steel. Generally, narrow-flange H-shaped steel is used as the beam material, and wide-flange H-shaped steel is used as the column material. Accordingly, it is also called beam-type H-shaped steel and column-type H-shaped steel. (3) According to the production method, it is divided into welded H-shaped steel and rolled H-shaped steel. (4) According to the size, it is divided into large, medium and small H-shaped steel. Generally, products with web height H above 700mm are called large, those with web height H between 300 and 700mm are called medium, and products with web height H less than 300mm are called small. By the end of 1990, the world's largest H-shaped steel web had a height of 1200mm and a flange width of 530mm.

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