Composite steel grating is made of a common steel grating with the surface welding checkered plate. It can be composited by any type of steel grating and checkered plate, but in the hot-dip galvanization treatment, due to heat, warping deformation will be formed, especially for the large types of steel grating. The selection should avoid the large type. Normally standard width of the checkered plate (1060mm or 1025mm) will be chosen when designing.


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