Product Name: New Type Rain Water Grating with High Quality Surface Treatment: Hot Dipped Galvanized,Painted Color: Green,Red,on Request Materials: Steel Thinckness: 3mm, 5mm, on Request Trademark: Dehong Specification: as Customized Origin: China Product Description TypeWelded steel grating, pressure-locked, socket-welding Steel flat size20×3,25×3,25×5,30×3,30×4,30×5,32×3,32×5...45×5mmBeraing bar pitch12.5,15,20,25,30,35,40,50mmCross bar pitch38,50,80,100mmmaterialLow carbon steel, stainless steel, aluminiumSurface treatmentUntreated, hot galvanized, paintedStandardsChina: YB/T 4001.1-2007USA: ANSI/NAAMM(MBG531-88)UK: BS4592-1987Australia: AS 1657-1985SpecificationsHot dip galvanized steel gratingMaterial : low carbon steel ,stainless.etc.Size: standard or OEM.Packing:Naked or as the customers' request.ISO 9001:2000.1.) Processing technic:Galvanized steel grating is made by bearing bar and cross bar according to the flat-steel weft arrangement, in high-pressure spacing on resistance welder welded by cutting, incision, opening, overlock process such as processing and into customer requirements finished products.2.) Features:Intensity, light structure: strong grid bonding structure makes it with high load, the structure characteristics, facilitate hoisting light; Beautiful appearance, durable: hot-dip galvanized surface treatment make it fairly good corrosion resistance, the surface luster beautiful; Ventilation, lighting, heat dissipation, explosion-proof, prevent slippery properties is good; Deposition prevention dirt.3.) Useage:Widely used in petroleum chemical industry, power plant, water and sewage treatment plants, municipal engineering, environmental sanitation engineering fields of the platform, footpath, zhanqiao pier, ditch lid, manhole cover, ladders, fences, guardrail etc.4.) Material:Carbon steel, Stainless steel ,and so on .5.) Surface treatment:Hot-dipped-galvanized ,electro galvanized or PVC coated ....6.) Size:Standard size or OEM(Making as the customers' request).7.) Packing:Naked or packing as the customers' request