Galvanized steel stair treads are made of galvanized steel. They are a save time and cost saving alternative that simplifies your stair project. Galvanized steel grating stair treads are commonly installed for industrial, commercial and architectural stairway steps and platforms allowing for easy access to machinery, equipment, tanks, storage areas, etc.
Available in smooth or serrated surface galvanized steel stair treads depending on application requirements, serrated surface stair treads provide good protection against slipping in areas prone to oil stains or other hazards. The general construction of stair treads is the same as other bar grilles, but it adds reinforcement and additional safety adjustments for stair applications. Trimming is the channel or angle of material attached to the leading edge of a stair tread to improve edge visibility and slip resistance. Can be used on smooth surfaces.
Product Specifications
| Material | Mild steel or stainless steel, etc. |
| Bearing Bar (mm) | 25x3, 25x4, 25 x 5, 30x3, 30x4, 30x5, 32x5, 40x5, 50x5,.....75x10mm |
| Bear Bars Pitch (mm) | 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", etc. |
| Cross Bar Pitch (mm) | 38,50,76,100,101.6mm |
| Surface Treatment | Untreated, painting , powder coated or hot dip galvanizing. |
| Main Types | T1: Welded fixing and without nosing; T2: Bolted fixing and without nosing, easy to installation and dismantle; T3: Welded fixing and with checkered plate nosing, can be anti-skid; T4: Bolted fxing and with checkered plate nosing, can be anti-skid , easy be installation; T5: Welded fixing and with striped plate nosing, can be anti-skid; T6: Bolted fixing and with striped plate nosing, can be anti-skid. |
| Standard | China: YB/T 4001.1-2007 |
| USA: ANSI/NAAMM(MBG531-88) | |
| UK: BS4592-1987 | |
| Australia: AS1657-1985 |
Applications
Galvanized steel grating stair treads are the most widely used for their strength and ease of installation and are universally used in most industrial and commercial applications.
* Plain Galvanized Steel Stair Treads: The most widely used gratings, available for flooring walkway, all kinds of ditch cover, stair tread, etc.
* Serrated Galvanized Steel Stair Treads: Best non-skid property & safety, widely used for construction project, oil project, seaport, power plant, water plant, defense project, chemical factory and so on.
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