galvanized steel stair tread - BH-steel grating stair

galvanized steel stair tread, high quality reasonable price, Type: Plain,Serrated,I-BAR, Surface:HDGalvanizing,Black - details see: https://www.buildingsupplieshub.com/galvanized-steel-stair-tread-10093433

Type: Stair Parts,serrated	Place of Origin: Hebei China (Mainland)	Brand Name: boheng	Model Number: BH-steel grating stair
Stair Part Material: Metal	surface treatment: hot-dipped galvanized	Company Certificate: ISO 9001:2008

galvanized steel stair tread

Stair tread with checkered plate nosing ,bolted fixing is made from the steel grating (plain style,serrated style and I bar type) and to any dimensions to suit the relevant stairway. Our stair treads have 8 types, they are:

1: Stair Tread without Nosing, Welding fixing

2: Stair Tread without Nosing, Bolted fixing

3: Stair Tread with Checkered Plate Nosing, Welding Fixing

4: Stair Tread with Checkered Plate Nosing, Bolted fixing

5: Stair Tread with Vertical Striped Plate Nosing, Welding fixing

6: Stair Tread with Vertical Striped Plate Nosing, Bolted fixing

7: Stair Tread with Perforated Plate Nosing, Welding fixing

8: Stair Tread with Perforated Plate Nosing, Bolted fixing

We are committed to providing customers with integrated solutions of commercial buildings, such as warehouses, workshops and membrane structures.

We are a leading professional supplier for high quality steel grating for construction project at competitive price, located in AnPing of China. AnPing BoHeng Metal & Wire Mesh Co.,Lt has approved ISO9001:2008 Quality Management System . 60% of products is exported to the worldwide. There are many regular grating customers in USA / Ohio, Houston, Charlotte, Middle East / Kuwait, UAE, Saudi A / , AUS, Europe and Southeast so on.

This company is specialized in manufacturing and exports all kinds of steel gratings with the best quality, competitive price and faster delivery time. Such as steel / mill black and hot dip Galvanizing / and stainless grating flooring walkway, platform and steel structures, stair tread, well cover, trench cover, compound gratings, storage shelves, ladder, fences and handrail so on for construction project, oil project, seaport, power plant, water plant, defense project, chemical factory and so on.

We produce three kinds of steel gratings, they are Plain Style Steel Grating, Serrated Style Steel Grating and I Bar Type Steel Grating. They are widely used in steel structure platforms, stair treads, sidewalks, drainages and well covers etc. We can design and manufacture standard steel grating and in customized shapes per client's requirements.

1. Bearing Bar / Load Bar Specifications / mm:
The specification of plain type and serrated type bearing bar is 20 x 3 to 100 x 10;the specification of I-section type is 25 x 5 x 3, 32 x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x 5 x 3, 50 x 7 x 4, 55 x 7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 x 7 x 4, 75 x 7 x 4, etc.

2. Bearing Bar Pitch / center to center:
12.5, 15,25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mm etc, also be according to client's requirement and 30, 40, 60mm are recommended,

America standard is also available <1'' x 3/16'', 1 1/4'' x 3/16'', 1-1/2'' x 3/16'', 1'' x 1/4'', 1-1/4'' x 1/4'', 1 1/2'' x 1/4''(19-w-4), (11-w-4), (8-w-4) and so on.>

3) Cross Bar Pitch / center to center:
38, 50, 76, 100, 101.6mm etc, also be according to client's requirement and 50, 100mm are recommended, America standard is available.

4) Material:
Mild Steel / Low Carbon Steel or Stainless Steel

5) Surface Treatment:
Untreated, Painting or Hot dip Galvanizing

6) Steel grating standards:
A) China: YB/T4001-1998
B) USA: ANSI/NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1985
E) Japan: JJS.

Item No.	Bearing Bar Pitch	Cross Bar Pitch	Specification of bearing bar load( width × thickness )
Item No.	Bearing Bar Pitch	Cross Bar Pitch	20×3	25×3	32×3	40×3	20×5	25×5
1	30	100	G203/30/100	G253/30/100	G323/30/100	G403/30/100	G205/30/100	G255/30/100
1	30	50	G203/30/50	G253/30/50	G323/30/50	G403/30/50	G205/30/50	G255/30/50
2	40	100	G203/40/100	G253/40/100	G323/40/100	G403/40/100	G205/40/100	G255/40/100
2	40	50	G203/40/50	G253/40/50	G323/40/50	G403/40/50	G205/40/50	G255/40/50
3	60	50		G253/60/50	G253/60/50	G403/60/50	G205/60/50	G255/60/50