Hot DIP Galvanized Gu, Gt, GM Road Drainage Grates

• 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.: GU GM GT
• Application: Steel Structure Walkway, Foot Pedal, Drain Cover
• Shape: Flat Shape
• Manufacturing Method: Machine Welding
• Material: Carbon Steel
• Raw Material: Carbon Steel, Stainless Steel
• Loading Bar Type: Flat, Serrated, I Type
• Surface Treatment: Mill Finish, Hot DIP Galvanized, Painted
• Business Type: Manufacturer
• Quality Certificate: ISO9001
• Panel Size: 1m*5.8m 1m*6m 1m*7m
• MOQ: 10tons
• Place of Origin: Hebei Anping China
• Transport Package: Steel Belt
• Specification: ISO9001
• Trademark: Jiuwang
• Origin: Hebei Anping
• HS Code: 730890
• Production Capacity: 10000PCS

Product Description

 
1.what is steel grating ?(  steel driveway grates grating )  -- Steel grating is made by bearing bar and cross bar according to the flat-steel weft arrangement, in high-pressure spacing on resistance welder welded by cutting, incision, opening, overlock process such as processing and into customer requirements finished products.
  
 
2.steel grating specification-   galvanized  steel driveway grates grating
panel size available(black grating): 1000x5800mm or 1000x6000mm

Bearing bar pitch  

  Cross bar pitch

 load steel size ( Width ×Thickness)

20×3

25×3

32×3

40×3

20×5

25×5

30

100

G203/30/100

G253/30/100
Specifications                                                                                                                                                  

Type	GT type, GU type, GM type or customization
Material	Low Carbon Steel or Stainless Steel
Surface treatment	Hot-dip galvanizing or painted
Standard	YB/T4001.1-2007, ANSI/NAAMM, BS4592, AS1657
Application	draining well, park and civil projects, etc

 
1) GT type 
This kind of trench cover is used on ordinary side trench and transverse trench.
 
 
 
2) GU type
 This kind of trench cover can be directly built over U type trench without a frame or support.
 
 
3) GM type
 This kind of drainage pit cover is widely used in streets and factories.
 
 
 
Steel grating trench cover introduction                                                                       
 
1. Steel grating is made of bearing bar and cross bar,  placed horizonatally anvertically, and at an equal pitch       apart, by welding with 200-ton hydraulic resistance automatic automatic welding equipment, then                       cutting,punching and banding ends.


 

Type of bearing bar	25x5x3,32x5x3,38x5x3,50x7x4,60x7x4,...75x7x4mm
Pitch of bearing bar	12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40, 41, 60 mm
Pitch of cross bar	38,50,76,100,101.6mm

2.shape of bearing bar:
 
3.manufacturing process
 
4.Workshop view
 
 
Why choose use                                                                                                             
 
1. Factory with over 20 years experience    
     Established in 1992, Hebei Jiuwang Metel Wire Mesh Co.,Ltd(original Anping County Jintai Metal Mesh Co.,Ltd.)has been acknowledged as one of the largest professional steel grating manufacturers.
2. Well-equipped&quick delivery
     Our equipment range from grating production to surface treament, such as hydraulic resistance automatic welding machine, grating disc cutting machine, strip slitting machine,pincking and galvanized equipment.We have 3 production lines to ensure delivery time.
3. Quality guarantee
    Jiuwang is an ISO9001 registered company. All products are manufactured to the highest standards ISO9001 and also confirm to YB/T4001.1-2007 and ANSI/NAAMM(MBG531-88).