Steel Grating
1) Material: Mild Steel (Low Carbon Steel) or Stainless Steel.
2) Surface Treatment: Hot dip galvanized , Painted , Untreated.
3) Shape of bearing bars: Plain style , Serrated style , I section style
4) Bearing bar specification:
- Plain Type and Serrated Type Bearing Bar: 20 x 3mm to 100 x 6mm;
- I-section Type: 25 x 5 x 3mm, 32 x 5 x 3mm, 38 x 5 x 3mm, 40 x 5 x 3mm, 50 x 5 x 3mm, 50 x 7 x 4mm, 55 x 7 x 4mm, 60 x 7 x 4mm, 65 x 7 x 4mm, 70 x 7 x 4mm, 75 x 7 x 4mm, etc.
5) Bearing bar pitch: 15mm, 25mm, 30mm, 33. 5mm, 37. 5mm, 40mm, 50mm, etc. and 30, 40, 60mm are recommended.
& 60mm
6) Cross bar pitch: 25, 38, 50, 50. 8, 76, 100 & 101. 6mm etc. and 50, 100mm are recommended .
7)Main usage: stair trends, trench covers, drainage pit covers.