1.Stair treads features:Material savings: most province of the
material means withstand the same load conditions, accordingly, can
reduce the material of supporting structure.
Reduce investment: saving materials, the provincial labor, the
provincial period, free cleaning and maintenance.
Construction simple: clamp bolt or welded fixed on the
pre-installed support, one to complete.
Save period: products without on-site re-processing, installation
is very quick.
Durable:hot-dip zinc corrosion protection in the factory ,
appearance, impact resistance and pressure capability.
Structure light: a small timber, the structure light, and easy
lifting.
Anti-dirt plot: not plot rain, snow and dust.
Reducing air resistance: Due to good ventilation, windy wind
resistance and reduce wind damage.
Design simple: no small beam, simple structure, designed simplify;
without grating design detail, can only indicate the model, our
factory can design exclusive board diagram on behalf of
clients. 2.Stair treads quality requirements:（1）Stair treads tolerance: treads length
tolerance range [0 - (*3) mm], treads width tolerance range
[(*3mm)*3mm].
（2）Stair treads welding requirements: welded joints of the former
guard and wrapping with each load flat steel is not less than 3mm
weld angle.3.Stair treads types:（1）According to installation,
stair treads can be divided into welding fixing stair treads and
bolted fixing stair treads. Welding fixing stair treads is
generally steel grating, and bolted fixing stair treads need add *5
× 5mm flat steel to steel grating as side panel.
（2）Depending on whether there are non-slip can be divided into
Nosing (Striped Plate or bar steel) stair treads and non-Nosing
stair treads.
