Building Material Galvanized Steel Grating (serrated) From Professional Grating Steel Bar Grating

• After-sales Service: Any Time
• Warranty: Any Time
• Certification: ISO
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: G255/40/100
• Application: Steel Structure Walkway, Foot Pedal, Drain Cover
• Shape: Tooth Shape
• Manufacturing Method: Machine Welding
• Material: Carbon Steel
• Product Name: Self-Color Steel Low Carbon Grating
• Place of Origin: Hebei Anping
• Surface Treatment: Hot-Dipped Galvanized, Painted, Untreated
• Bearing Bar Type: Serrated, I and Plain
• Transport Package: Normal
• Specification: Q235, 405/30/50
• Trademark: JW
• Origin: Hebei Anping
• HS Code: 7308900000
• Production Capacity: 10000 Ton/Year

Product Description

 
1.  galvanized metal stair treads
We manufacture different styles of stair ladders that used in family,industry and construction. 
Material: mill steel black and hot dip Galvanizing / and stainless grating
Usage: ladder, flooring walkway, platform ,steel structures, stair tread, well cover, trench cover, sump cover,compound gratings, storage shelves,fences and handrail so on for construction project, oil project, seaport, power plant, water plant, defense project, chemical factory and so on.

2.Stair Tread Types:  galvanized metal stair treads
1)There are four kinds of stair treads T1,T2,T3,T4.
    T1         Welded fixing and Without nosing
    T2         Bolted fixing and without nosing,easy to installation and teardown.
    T3         Welded fixing and with checkered plate nosing, can be skid.
    T4         Bolted fxing and with checkered plate nosing, easy be installation,
                 teardown and can be skid.

2) Material: Mild Steel (Low Carbon Steel) or Stainless Steel
4) 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
3. galvanized metal stair treads  specification

Pitch of Bearing bar	Cross-bar Pitch	Specification of bearing bar load(width×thickness)
		32×5	40×5	45×5	50×5	55×5	60×5
30	100	G325/30/100	G405/30/100	G455/30/100	G505/30/100	G555/30/100	G605/30/100
	50	G325/30/50	G405/30/50	G455/30/50	G505/30/50	G555/30/50	G605/30/50
40	100	G325/40/100	G405/40/100	G455/40/100	G505/40/100	G555/40/100	G605/40/100
	50	G325/40/50	G405/40/50	G455/40/50	G505/40/50	G555/40/50	G605/40/50
60	50	G325/60/50	G405/60/50	G455/60/50	G505/60/50	G555/60/50	G605/60/50

4. galvanized metal stair treads  manufacturer process


5.our company review
Hebei Jiuwang Metal Wire Mesh Co.,Ltd.(original Anping County Jintai Metal Mesh Co.,Ltd.).Established in 1992,our company is a manufacturer of large steel structure and steel gratings,integrating development,production and distribution.The company register capital is 10,080,000 Yuan,and take an area of 34,680 square meters.In 2003,we have got the ISO9001:2000 certification by BQR.

1.Own independent three press-welded steel grating machine and we have our own biggest galvanization product line in local market for 20 years experience.
2.profession design and drawing teams customize based on customers'requirement 

3.ISO9001 Certificate 

4.Located in Anping wire mesh base Hebei province,near from Beijing airport,Tianjin sea Port! 5.Now we adopted automatic bending machine,automatic robot welding machine,the grating quality get more perfect and price more competitive!