1. Material: low carbon steel, stainless steel, aluminum alloy, etc.
2. Cross bar material: Q235A / stainless steel 304 twisted bar, round bar, square bar, etc.
3. According to different processing, steel grating has two types:
Pressure Welding Pressure Locked
4. Flat bar surface shape: Plain flat bar, serrated, I-shaped flat bar, I-shape serrated.
5. Flat bar specification:
1> Plain flat bar:
Thickness: 3mm, 5mm.
Height: 25mm, 30mm, 32mm, 40mm, 45mm, 50mm, 60mm, etc.
2> I-shaped flat bar:
Thickness of both ends: 5mm.
Thickness of the center: 3mm.
Height: 25mm, 32mm, 38mm, 44mm, 50mm, etc.
6. Flat bar spacing: 30mm, 40mm, 60mm,etc.
7. Cross bar sizes: 5x5mm, 6x6mm, 8x8mm, etc.
8. Cross bar spacing: 50mm, 100mm.
9. Length of steel grating plate: common length ≥800mm, some platform cover plate length is 3000-10000mm.
10. Surface treatment: Electro galvanized, hot dip galvanized, spray paint, soak into anti-rust oil.
Pitch of Bearing bar |
Cross-bar Pitch | Specification of bearing bar(width×thickness) |
| 20×3 | 25×3 | 32×3 | 40×3 | 20×5 | 25×5 |
| 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 |
| 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 |
| 60 | 50 | | G253/60/50 | G253/60/50 | G403/60/50 | G205/60/50 | G255/60/50 |
| Pitch of Bearing bar | Cross-bar Pitch | Specification of bearing bar(width×thickness) |
| 32×5 | 40×5 | 45×5 | 50×5 | 55×5 | 60×5 |
| 30 | 100 | G325/30/100 | G405/30/100 | G455/30/100 | G505/30/100 | G555/30/100 | G605/30/100 |
| 50 | G325/30/50 | G405/30/50 | G455/30/50 | G505/30/50 | G555/30/50 | G605/30/50 |
| 40 | 100 | G325/40/100 | G405/40/100 | G455/40/100 | G505/40/100 | G555/40/100 | G605/40/100 |
| 50 | G325/40/50 | G405/40/50 | G455/40/50 | G505/40/50 | G555/40/50 | G605/40/50 |
| 60 | 50 | G325/60/50 | G405/60/50 | G455/60/50 | G505/60/50 | G555/60/50 | G605/60/50 |
