Qingdao Megatro Mechanical and Electrical Equipment Co., Ltd. - Metal Gratings

Our megatro provide steel grating with specification as follow:1. Bearing bar (load bar) specifications (mm): the specification of plain type and serrated type bearing bar is 20 x 3 to 100 x 9; 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 to 100 mm etc also are according to client's requirement and 30, 40, 60mm are recommended, and america standard is available. 3. Cross bar pitch (center to center): from18.5 to 101.6mm etc also is according to client's requirement and 50, 100mm are recommended, america standard is available. 4. Steel grating material: mild steel (low carbon steel astm a36 or q235), stainless steel 304 or 316 5. Steel grating surface treatment: untreated, painting or hot dipped galvanizing 6. Steel grating standards: china: yb/t4001.1-2007 u.s.a.: ansi/naamm (mbg531-88) u.k.: bs4592-1987 australia: as1657-1985 japan: jjs.