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Galvanized flooring grating, Galvanized serrated bar grating , serrated grid , with high quality & best price. ISO9001-2000Certificated, GRATING SPECIALIST! Mr. David Huang ********************************************************************************* Contact Information: Sales Director: David Huang Mobile: +86 13757445098 TEL: +86 574 88073967, FAX: +86 574 88073962******************************************************************************** We are a leading professional supplier for high quality steel bargrating for construction project at competitive price, located in Ningbo \ near to Shanghai \ of China. Ningbo Lihong Steel Grating Co.,Ltd has approved ISO9001-2000 Quality Management System in 2001. 60% of products is exported to the worldwide. There are manyregular grating customers in USA / Ohio, Houston, Charlotte, Middle East /Kuwait, UAE, Saudi A /, AUS, Europe and Southeast so on. This company is specialized in manufacturing and exports all kinds of steel gratings with the best quality, competitive price and faster delivery time.Such as steel / mill black and hot dip Galvanizing / and stainless grating flooring walkway, platform and steel structures, stair tread, well cover, trench cover, compound gratings, storage shelves, ladder, fences and handrail so on for construction project, oil project, seaport, power plant, water plant, defense project, chemical factory and so on. We produce three kinds of steel gratings, they are Plain Style Steel Grating, Serrated Style Steel Grating and I Bar Type Steel Grating. They are 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. 1) Bearing Bar (Load Bar) Specifications (mm): The specification of plain type and serrated type bearing bar is 20 x 3 to 100 x 10;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, 15,25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mm etc, also be according to client's requirement and 30, 40, 60mm are recommended, America standard is also available <1'' x 3/16'', 1 1/4'' x 3/16'', 1-1/2'' x 3/16'', 1'' x 1/4'', 1-1/4'' x 1/4'', 1 1/2'' x 1/4''(19-w-4), (11-w-4), (8-w-4) and so on.> 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 Steel 5) 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. steel bar grating