Galvanized Steel Stair Treads Q235 Material - 95-285mm Widths with ISO 9001 Certification
Professional-grade steel bar grating stair treads manufactured with Q235 material, available in multiple fixing types and standard widths from 95mm to 285mm.
| Type | Description |
|---|---|
| T1 | Without Nosing, Welding fixing |
| T2 | Without Nosing, Bolted fixing |
| T3 | Checkered Plate Nosing, Welding fixing |
| T4 | Checkered Plate Nosing, Bolted fixing |
| Type | Available Widths (mm) |
|---|---|
| T1/T2/T3/T4 (30mm pitch) | 95, 125, 155, 185, 215, 245, 275 |
| T1/T2 (40mm pitch) | 125, 165, 205, 245, 285 |
| T3/T4 (40mm pitch) | 115, 155, 195, 235, 275 |
Available in plain or serrated types with dimensions from 20x3mm to 100x10mm, or I-section types including 25x5x3mm, 32x5x3mm, 38x5x3mm, and larger profiles.
Bearing bar pitch: 12.5mm to 100mm (30mm, 40mm, 60mm recommended)
Cross bar pitch: 38.1mm to 135mm
Materials: Mild Steel (Q235), Stainless Steel, Aluminum
Surface Treatment: Mill finish, Black Paint, or Hot Dip Galvanizing
- China: YB/T4001-1998
- USA: ANSI/NAAMM (MBG531-88)
- UK: BS4592-1987
- Australia: AS1657-1985
- Japan: JJS
When ordering, please specify: bearing bar size and type, stair tread type (T1-T4), dimensions, material selection, and surface treatment preference.
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