Compound steel grating have been sure to stretch over steel grating and seal superficial pattern a kind of products that board formed of bearing capacity.
Compound steel grating by hot-dipping galvanization treatment, because heating power will produce out of shape warping, especially selecting big steel grating of type for use. It is more difficult to smooth, please pay attention to the type selection.
Compound steel grating by hot-dipping galvanization treatment, because heating power will produce out of shape warping, especially selecting big steel grating of type for use. It is more difficult to smooth, please pay attention to the type selection.
Compound steel grating usually use series-3 , grating of steel, to make base plate, too can adopt series-1 or series-2 steel grating; Steel grating usually use 3mm thick board of pattern, can adopt 4 mm,5 mm, 6 mm too.
2. Compound steel grating is formed of any type of steel grating and checkered plate in different thicknesses. The type JG323/40/100, JG253/30/100 and JG323/60/100 are generally used as base & the checkered plate with 3mm thickness is used as sealing plate. Sometimes checkered plate with thickness of 4mm, 5mm or 6mm is also used as sealing plate according to customers' requirements.
3. As thermal stress may cause shape distortion after hot-dip galvanizing treatment, especially when choosing large spacing grating, it's not easy to flatten. So special attention should be paid when choosing grating types.
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