Specifications of Galvanized Steel Grating 1)paint steel grating 2)12 years factory 3)plain grating ,serrated, press lock 4)Export: Us,Eu,Uk,Au 5)Strong structure ,long life1.Steel grating standards:A) China: YB/T4001.1-2007 B) USA: ANSI/NAAMM (MBG531-88) C) UK: BS4592-1987 D) Australia: AS1657-1985 E) Japan: JJS2. Bearing bar specification:20*3 to 100*63. Bearing bar pitch:12.5,15,25,30,40,60mm etc. also be according to clients requirement and 30,40,60mm are recommended.4. Cross bar picth:38,50,76,100mm,also be according to clients requirement and 50,100mm are recommended.5. The Maximum length of black panel is 7350mm.6. Materials: mild steel or stainless steel.7. Surface treatment: untreated, painting or hot dip galvanizing. draft of theSteel grating.