Hot DIP Galvanized Steel Stair Treads for Step Ladders with Passivation Finish
Serrated steel bar grating offers superior slip resistance compared to plain style grating, making it ideal for steel structure platforms, sidewalks, and drainage applications. Our products can be manufactured in standard sizes up to 1 meter wide or customized to meet specific requirements.
Product Specifications
Bearing Bar: 25x3, 25x4, 30x3, 30x4, 30x5, 32x5, 40x5, 50x5,...75x10mm
Bear Bar Pitch: 12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40, 41, 60mm. US standard: 1"x3/16", 1 1/4"x3/16", 1 1/2"x3/16", 1"x 1/4", 1 1/4"x 1/4", 1 1/2"x 1/4"
Cross Bar Pitch: 38, 50, 76, 100, 101.6mm
Material: Q235, A36, SS304
Surface Treatment: Black, hot dipped galvanizing, paint
Standards: China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88), UK: BS4592-1987, Australia: AS1657-1985
Steel grating, also known as bar grating, features a square grid pattern formed by flat bearing bars and cross round bars. It's primarily used for gutter covers, steel structure platform walkways, and steel ladder steps.
Product Variations
By Material:
- Carbon steel with hot-dip galvanized surface (prevents oxidation)
- Stainless steel
- Aluminum steel
By Welding Method:
- Machine forge welding type
- Handmade manual welding type
By Surface Type:
- Flat type
- Tooth type
- "I" type
By Application:
- Trench cover
- Platform walkway
- Stair treads
Technical Specifications Table
| Type |
Width mm |
Thick mm |
KG/m |
Clear Span mm |
200 |
400 |
600 |
800 |
1000 |
1200 |
1400 |
| G505/30/50 |
50 |
5 |
80.9 |
U |
2361 |
590 |
262 |
147 |
94 |
65 |
48 |
|
|
|
|
D |
0.14 |
0.55 |
1.24 |
2.2 |
3.45 |
4.97 |
6.82 |
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