镀锌铁格栅

galvanized steel grating , bar grating , flooring grating , We have manufactured STEEL GRATING for many BIG PROJECTS ALL OVER THE WORLD.*********************************************************** Contact information: Person: Iris DengMobile:(+86)13957853897,(24 hours)TEL: (+86)57488073967 Fax: (+86)57488073962***************************************************************** The sheet size will be strictly according to client's requirements.Weare one of the biggiststeel grating enterprise In China.The productsare widely used in steel structure platforms, stair treads, sidewalks, drainages and well covers etc. We can design and manufacture standard steel grating and in customized shapes per client's requirements Description: 1) Bearing Bar (Load Bar) Specifications (mm): The specification of plain type and serrated type bearing bar is 20 x 3 to 100 x 6;the specification of I-section type is 25 x 5 x 3, 32 x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x 5 x 3, 50 x 7 x 4, 55 x 7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 x 7 x 4, 75 x 7 x 4, etc. 2) Bearing Bar Pitch (center to center): 12.5, 15, 30, 34, 40, 60mm etc, also be according to client's requirement and 30, 40, 60mm are recommended, America standard is available. 3) Cross Bar Pitch (center to center): 38, 50, 76, 100, 101.6mm etc, also be according to client's requirement and 50, 100mm are recommended, America standard is available. 4) Material: Mild Steel (Low Carbon Steel) or Stainless Steel5) Surface Treatment: Untreated, Painting or Hot dip Galvanizing 6) Steel grating standards: A) China: YB/T4001-1998 B) USA: ANSI/NAAMM (MBG531-88) C) UK: BS4592-1987 D) Australia: AS1657-1985 E) Japan: JJS