Stair Tread Gratings

Stair tread gratings, also named grating steps, are widely used as different types of steel ladders in the factory, school, park, stadium, civil and commercial buildings. It is mainly made by low carbon steel or stainless steel.

Features

High strength and bearing capacity,;
Wear resistance and anti-corrosion;
Resistance to extreme temperature wind and rain;
Has feature of anti-slip;
Easy to install

Common Specifications

Popular Material:

Material: low carbon steel, stainless steel 304, 316, etc.
Surface treatment: galvanized, painted.

stair treads can be made of any kind of steel grating. Can be divided into 4 basic groups:

T1: Installed by Welding, without Nosing

T2: Installed by Bolt, without Nosing

T3: Installed by Welding, with Nosing

T4: Installed by Bolt, with Nosing.

The length and depth can be made as your need. Recommended specification below is for your reference.

Recommended Max. Stair Tread Length

Bearing Bar Section Steel Grating Specification	25x3	25x5	32x5
Bearing Bars at 30mm Pitch	550	900	1300
Bearing Bars at 40mm Pitch	450	750	1200

Recommended Stair Tread Depth

Bearing Bars at 30mm Pitch T1, T2, T3, T4	95	125	155	185	215	245	275
Bearing Bars at 40mm Pitch T1, T2, T3, T4		125	165		205	245	285
Bearing Bars at 40mm Pitch T1, T2, T3, T4		115	155		195	235	275
Fixing Hole Centers mm	45		75		100		150

Note: Bar gratings thickness is 5mm.

Packaging

Steel Bar Grating for Outdoor Balcony Use
Electro Forged Platform Walkway Steel Grating
Observation catwalk in chemical plant
Platform in workshop.

Application

It is widely used in many architectural, commercial, and industrial applications, such as Factory School, Park, Stadium, Civil and commercial buildings and so on.

Straight Stair used in The Factories