Overview of the steel ladder stepping plate
Stair Treads, also known as steel stair treads, are a kind of stair slab for platforms. Their installation methods include welding connection and bolt connection. The welded fixed treads can be directly welded to the ladder beam.
Model of steel ladder step plate
Model:T1,T2,T3,T4,T5,T6
Welding fixing: T1, T3, T5
Bolted fixing: T2, T4, T6
The width of treads is usually between 0.5m and 1m.
Tread plate marking and tolerance
ST4 - ST4 in (ra325 / 30) - tread plate model, ra325 / 30 steel grating model
Step board tolerance: width W ± 3mm, length L-3mm.
Recommended width of steel grating step plate(mm)
| T1-T6 | | 125 | 155 | 185 | 215 | 245 | 275 | 305 |
| Flat steel spacing | 30 |
| T1-T2 | T5-T6 | 125 | 165 | -- | 205 | 245 | 285 | 325 |
| Flat steel spacing | 40 |
| T3-T4 | | 115 | 155 | -- | 195 | 235 | 275 | 315 |
| Flat steel spacing | 40 |
| T1-T2 | T5-T6 | -- | -- | 185 | -- | 245 | -- | 305 |
| Flat steel spacing | 60 |
| T3-T4 | | | 155 | -- | 215 | -- | 275 | -- |
| Flat steel spacing | 60 |
| Center distance of bolt hole | (螺栓孔) | 45 | 75 | 75 | 100 | 100 | 150 | 150 |
Advantages of steel ladder steps and steel grating
(1) The installation of step board is very simple and does not need complex installation;
(2) Good ventilation, daylighting, heat dissipation, explosion-proof and anti-skid performance;
(3) The high strength, light structure and durability of the step board;
(4) The maintenance is very simple and prevents dirt from accumulating.
Treads are widely used in power plants, water plants and other factories, as well as platforms and walkways in the fields of municipal engineering and environmental sanitation engineering, as well as ground platforms in large places such as cinemas, visiting platforms and parking lots.
There are some photos of steel grating of steel ladder steps taken by the factory
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