product description
material : carbon steel or stainless steel
cross bar pitch : maybe 24-100mm of which 50mm 76mm and 100mm are recommend
steel grating is made by the world first class equipment ,which can arrange the bearing bar and cross bar in longitude and latitude order to certain distance cross bar is pressed into the bearing bar by high tension resistance weldingring which is controlled by computer . so we can produce high quality grating with firm welding . smooth surface and high strenth
surface process of grating : there are three types hot dip galvanized , electro galvanized . and spraying brushing and soaking . anti-acid and alkali corrosion .capacity the range PH6- PH12.5 . a stable protective film will be formed on the zinc surface , it has good anti corrosive property
packing conditions of steel grating : normally packed in pilling up ways with two pieces of square wood on both upperand bottom side .there are four or six pieces of M10 long bolt penetrading the gratings
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