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Stair Tread:

نمونه ای از یک گریتینگ پله

For manufacturing stair, grating panel is initially cut & then other parts of stair are connected to the grating. This assembly is a reliable, standard & safe stair that is used in staircases & passages between floors. The main parts of stair:

۱-Grating: the main part of stair contains typical grating panels which can be used as plain or serrated gratings.

۲-Side plate: side plate is used to easily connect stair to the structure. Punching method is defined according to the standard for different types.

۳-Nosing plate: this part is made of knurled plate which is between 32 to 36 mm in width. The tasks of nosing plate are:

a. Increasing stair strength

b. Increasing friction & preventing slippage

c. Increasing safety because of curvature at the front part

d. Separation of stair edge in the structure & installation location for increasing safety factor