Checkered Plate Nosing Galvanized Steel Stair Treads 25mm x 3mm
Checkered Plate Nosing Galvanized Steel Stair Treads 25mm x 3mm
Manufactured to match the full line of our grating, there is an stair tread to meet your needs. Stair treads are safe, self-cleaning, skid-resistant and economical. Steel and aluminum stair treads are available in a variety of styles: welded, riveted, press-locked, swage-locked and Duo-Grip extruded aluminum.
Material:
Mild steel: high impact, high load application with low cost.
Main type:
1. Checkered plate nosing , Bolted fixing anti-slip
2. Checkered plate nosing, Welded fixing anti-slip
3. Without nosing, Bolted fixing
4. Without nosing, Welded fixing
Surface Treatment:
1. HDG
2. Electrogalvanizing
3. Painting
4. Non-treatment
5. Other treatment as per customers’ requirement
| Bearing bar (load bar)specification | the specification of the plain bar type andserrated bar type plain of bearing bars is 20x3-100x3 the specification of I-section type is 25 x 5 x 3, 32 x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x 5 x 3, 50 x 7 x 4, 55 x 7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 x 7 x 4, 75 x 7 x 4, etc. |
| the pitch of load bearing bars (mm) | 12.5,15, 20, 30, 30.6, 32.5, 34, 34.8, 35.3, 40, 60, 80…… |
| the pitch of cross bars(mm) | 38.1, 50, 50.8, 70, 75, 80, 100, 101.6, 102…… |
| The largest length of handrail steel stairs | |||
| Bearing bar section | 25*3 | 25*5 | 32*5 |
| Steel bar specification | |||
| Bearing bars at 30mm pitch | 550 | 900 | 1300 |
| Bearing bars at 40mm pitch | 450 | 750 | 1200 |
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