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1.5mm Hot Dipped Galvanized Stair Treads And Platform Walkway
Steel bar grating with high strength and firm structure is made up of carbon steel, aluminum steel or stainless steel. According to the
manufacturing methods, it can be divided into four types: welded, press-locked, swage-locked and riveted gratings. According to the surface shapes, it can be divided into smooth and serrated gratings. With various styles and sizes for choice, steel gratings are widely used in everyday life, such as stair treads, walkways, platforms, floors, various covers, wheeled equipment, security screens, heavy duty constructions and so on.
Due to the extremely strong and durable for all the bearing application,bar grate stair treads has become the most popular grating in the markets.The stability makes them have a much higher performance in the application.
Different classifications of stair tread steel grating
Stair treads are divided into four models due to whether the front checkered plate and the mode of connection with ladder beam,
labeled T1, T2, T3, T4, T5, T6.
T1: Welding fixing stair tread without front plate.
T2: Bolt fastening stair tread without front.
T3: Welding fixing stair tread with front checkered plate.
T4: Bolt fastening stair tread with front checkered plate.
T5: Welding fixing stair tread without front Anti-slip strip.
T6: Bolt fastening stair tread with front Anti-slip strip.
Steel grating stair treads application:
In permanent or temporary applications
Anti-slip performance for wet, slipping areas.
Available for indoor or outdoor stairs.
Chemical stability for corrosive and harsh environments.
Factories and parks.
Feature
High strength and firm structure.
High anti-slip performance.
High load capacity and resistance to deformation.
Anti-press.
Explosion proof.
Light weight.
Various styles and sizes for choice.
Good ventilation and heat resistance.
Alkali and acid resistance.
Harsh environment resistance.
Corrosion and rust resistance.
Easy installation.
Durable and long service life.
| Table 1: Standard sizes of straight stair tread steel grating | ||||||||||||||||||
| Width (mm) | 600 | 700 | 800 | 900 | 1000 | 1100 | 1200 | |||||||||||
| Depth (mm) | 240 | 270 | 240 | 270 | 240 | 270 | 305 | 240 | 270 | 305 | 240 | 270 | 305 | 270 | 305 | 240 | 270 | 305 |
Specification of steel grating stair treads
Components: bearing bars, cross bars, fittings.
Bearing bars type: rectangular bars, I bars.
Fabrication: welded, swage-locked, press-locked, rivets connections.
Materials: carbon steel, aluminum steel, stainless steel.
Surface treatment: galvanized, mill finished, painted, powder coated, etc.
Surface type: plain (smooth) style, serrated style.
Fittings: bolts, nuts, washers.
Bearing bar spacing: 1-3/16", 15/16 (standard); 7/16" to 11/16" (close mesh).
Cross bar spacing: 2", 4".
Tread width: 8-9/16", 10-15/16", other sizes are available.
Tread length: 30", 36", 48", other sizes are available.
Tread height: 1-1/4".
Fixing type: welded connection, bolts connection.
Bolt hole center distance: 4-1/2" and 7".
Front nosing type: without nosing, checker plate nosing, vertical stripped plate nosing, round hole plate nosing.
Product Application