... ,of which 50mm,76mm and 100mm are recommended.3) Steel grating is made by the world first-class equipment,which can ... has good anti-corrosive property.5) Packing conditions of steel grating:normally packed in pilling up ways with two pieces of ... or n*100mm,(n=1~5),we also can manufacture special pitch according to clients material carbon steel,aluminum,stainless steel ...