Galvanized Serrated Steel Grating Floor For Stair Tread 40×5mm
Galvanized Serrated Steel Grating Floor For Stair Tread 40×5mm
Steel Walkway Grating Description
Steel Walkway Grating is manufactured by welding carbon steel bearing bars and cross bars together. Hot-dip galvanized surface provides excellent rust resistance for outdoor and indoor use. It features open structure for ventilation, drainage and anti-accumulation of dust. Widely adopted as safe walking surfaces for factory platforms, pedestrian passages and trench covers. Custom sizes and serrated anti-slip options are available to meet different load and safety requirements.
Steel Walkway Grating Specification
| Item | Description |
| Bearing bar |
20x5, 25x3, 25x4, 25x5, 30x3, 30x4, 30x5, 32x3, 32x5, 40x5, 50…75x8mm, etc. US standard: 1''x3/16'', 1 1/4''x3/16'', 1 1/2''x3/16'', 1''x1/4'', 1 1/4''x1/4'', 1 1/2''x1/4'', 1''x1/8'', 1 1/4''x1/8'', 1 1/2''x1/8'' etc |
| Bearing bar pitch |
25, 30, 30.16, 32.5, 34.3, 40, 50, 60, 62, 65mm, etc. US standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc. |
| Cross bar | 5x5, 6x6, 8x8mm (twisted bar or round bar) |
| Cross bar pitch | 40, 50, 60, 65,76,100,101.6,120,130mm or as customers’ requirement. |
| Flat bar type | Plain, Serrated (tooth-like), I bar (I section) |
| Materials | Low carbon steel (Q275/Q235/Q195,ASTM A36, A1011, A569, S275JR, SS304, SS400,UK: 43A),Stainless steel,aluminum alloy,etc |
| Galvanizing standard | CN: GB/T13912, US: ASTM (A123), UK: BS729 |
| Steel grating standards | A. China: YB/T4001-1998 |
| B. USA: ANSI/NAAMM (MBG 531-88) | |
| C. UK: BS4592-1987 | |
| D. Australia: AS1657-1988 | |
| E. Japan: JJS | |
| Surface treatment |
Black,Electro galvanized(Cold dip galvanized),Hot dipped galvanized,Painted,Powder coated,or as customers’ requirements.And hot dipped galvanizing is generally recommended. |
Steel grid gratings Surface Treatment
1) Hot dip galvanized as per ASTM A123 or EN ISO 1461 or special requirement
2) Painted or Powder Coated
3) HDG plus painted/powder coated
Steel Walkway Grating Features
- High load bearing capacity
- Serrated anti-slip surface optional
- Hot-dip galvanized for anti-corrosion
- Open mesh for drainage & ventilation
- Lightweight, easy installation
- Low maintenance & long service life
- Custom sizes and shapes available
- Stable welded structure
Steel Walkway Grating Applications
- Factory pedestrian passage
- Water treatment plant
- Trench & drainage cover
- Marine & offshore walkway
- Chemical workshop
- Municipal engineering
- Park & outdoor walkway
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.


