Marine Steel Inclined Ladder
GB4444-84 (Replaces CB81-74)
Type Specification Table
| Type | Inclination Angle α (°) | Step Width B (mm) | Ladder Length L (mm) |
|---|---|---|---|
| A | 45 | 700 800 | 283 – 4667 |
| 50 55 60 | 500 600 | 261 – 3913 | |
| 700 800 | 261 – 4961 | ||
| B | 65 70 | 400 500 600 | 331 – 3641 |
Marking Example
A marine steel inclined ladder with an inclination angle of 60°, step width b = 600mm, and ladder length L = 1044mm:
Inclined Ladder 60°×600×1044 GB4444-84
Diagram
The diagram shows a technical drawing of the marine steel inclined ladder, including a side – view illustration of the ladder structure with dimensional annotations and a detailed view of the ladder step and its connection parts. The drawing provides a clear representation of the ladder’s shape, dimensions, and key components.
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