Stair Treads steel grating

We have our own entity Grating manufaterur enterprise. The panels of Steel Gratings are manufactured by the programmed control pres-welding machines which are developed by us with the spaced twisted square bars pressed into the bearing bars producing strong welds and rectangular opening. Bearing bars carry loads. Cross bars fix bearing bars. The direction of steel grating length. The direction of cross bars represects the direction of steel grating width. Steel gratings are widely used by various plants at home and abroad, for example, in power plants, chemical plants, oil refinery, iron and steel works, machine factories, paper mills, cement mills, medicine plants and foodstuff factories, for uses of gangwways,platforms for pump rooms and engine rooms in various ships; floorings in various bridges such as railway bridge sidewalks, over-the-buildings abd roads: drainage trench covers and drainage pit covers for high ways. Quality standard: Steel Grating Standards CHINA YB/T4001-1998 U.K. BS4592-1-1995 U.S.A. ANSI/NAAMM (MGB531-88) Australia AS1657-1985 Steel product Standard CHINA GB/T700-1988 Hot Galvanizing Standard CHINA GB/T13912-2002 We could provide the original model or produce according to your elevation drawing paper. 1. Hot-dip galvanized serrated grating/ serrated grating 5.Plain, Serrated, I-shape Widely used in the petrochemical industry, power plants, waterworks, sewage treatment plants, municipal works, sanitation projects in areas such as platforms, corridors, bridge, ditch over, covers, ladders, rails, fences and so on. Our mail production size: SIZE: 25mmx3mm/4mm/4.5mm/40 100 30mmx3mm/4mm/4.5mm/40 100 36mmx3mm/4mm/4.5mm/5mm/40 100 40mmx3mm/4mm/4.5mm/5mm/40 100 50mmx3mm/4mm/4.5mm/5mm/6mm/40 100