Steel Grating ----- Galvanized Steel Grating Factory for Walkway Hebei Weijia Metal Mesh Co., Ltd, is a professional steel grating factory since 2008. Factory is approved by ISO 9001-2008.   10 years exporting experiences with good sales services. Our Advantage: * Product with factory price provided. * Good quality with ISO 9001 certificate since the year of 2008. * Professional sales team and fast responds to customer within 12 hours. * Products can be customized.   M.S. Flat steel ---Bearing bar specification: Shape Width (mm) Thick (mm) Pitch -center to center (mm) Flat steel 20-150 2-10 20-70 I Shape 20-150 2-10 20-70 S (serrated) Shape 20-150 2-10 20-70 I &S Shape 20-150 2-10 20-70 Cross bar specification: Shape Diameter (mm) Pitch -center to center (mm) Round bar 4-10 10-200 Twist bar 4-10 10-200 Flat steel 4-10 10-200 Steel Grating bearing 5-50 ton weight.  Product can be customized if bearing weight over 50 ton. Production process:   Raw material quality check------- Cut raw material------ Slotting----- Welding----- Checking----- Galvanizing. Application: Steel grating is mainly used as walking road, flooring, step, platform, drain cover in movie theather, power plant, parking lot, landscape and so on.... Material: Carbon Steel, Stainless steel, FRP (glass fiber reinforced plastic). Steel grating standards A. China: YB/T4001-1998 Contact for details please! Antonia Lu