Detail Descreption of walkway grating/platform steel grating/flooring steel grating/drain cover/trench cover/stair tread/bar grating/grates/painting steel grating.
1> Material: Carbon steel or stainless steel grating 2> Bearing bar specification: 20 × 3mm to 90× 7mm 3> 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 pitch: 50, 100mm are recommended 5> Maximum length of black panel: 6, 100 mm 6> Surface treatment: Untreated, paint or hot dip galvanized 7> Steel grating standards: A) China: YB/T4001-1998 B) USA: ANSI/NAAMM (MBG531-88) C) UK: BS4592-1987 D) Australia: AS1657-1985
Item No. | BearingBar Pitch | Cross Bar Pitch | Specification of bearing bar load( width × thickness ) | |||||
20× 3 | 25× 3 | 32× 3 | 40× 3 | 20× 5 | 25× 5 | |||
1 | 30 | 100 | G203/30/100 | G253/30/100 | G323/30/100 | G403/30/100 | G205/30/100 | G255/30/100 |
50 | G203/30/50 | G253/30/50 | G323/30/50 | G403/30/50 | G205/30/50 | G255/30/50 | ||
2 | 40 | 100 | G203/40/100 | G253/40/100 | G323/40/100 | G403/40/100 | G205/40/100 | G255/40/100 |
50 | G203/40/50 | G253/40/50 | G323/40/50 | G403/40/50 | G205/40/50 | G255/40/50 | ||
3 | 60 | 50 | G253/60/50 | G253/60/50 | G403/60/50 | G205/60/50 | G255/60/50 |
Platform steel grating(ISO 9001:2000)