1) Classification:

According to whether the nosing to be used and methods of mounting to stringers, grating treads are classified into eight types, expressed as T1, T2, T3, T4, T5, T6, T7, T8.

Belowing is the introduction of T4 type stair tread steel grating which is bolted fixing with checkered plate nosing.

2) T4 Type Stair Tread Material:

Mild Steel (Low CaTbon Steel) or Stainless Steel

3) Types of Steel Grating for T4 Type Stair Tread:

Flat type: the most widely steel grating.

Serrated type: With better no-slip.

"I" type:On the surface,path and items not in the same flat.With the character of light weight,economic and practical.

4) T4 Type Stair Tread Surface Treatment:

Untreated, Painting ,Powder coated or Hot dip Galvanizing

5) Steel grating standards:

A) China: YB/T4001-1998

B) USA: ANSI/NAAMM (MBG531-88)

C) UK: BS4592-1987

D) Australia: AS1657-1988

E) Japan: JJS.

6) Package & loading:

Packed in bundle then fixed by steel belt as the general export package and we also could pack it according to customers' requirement.

7) Our Service:

We can design the shop drawings according to custiomer's structural drawings.

We can provide samples if you need.

We can offer customized service as customer's per requirements.

Feel free to contact with me for cooperation:

contact person:Amber Wu

Phone/whatsapp: +86 18562239900

Email: amber@ythlss.com