Product Details

Product Description

hot-dipped galvanized road drainage

They are widely used in steel structure platforms, stair treads, sidewalks, drainages and well covers etc.

Material of galvanized road drainages steel grating: Low Carbon Steel then galvanized
Fabricating Method: The press welded steel grating, requested by the customers, is made of load flat steel

bar and cross rods, placed, horizontally and vertically, and at an equal pitch apart, by welding with 200-ton

hydraulic resistance automatic welding equipment, then cutting, punching and banding ends.

Load Bearing Steel Bar Pitch: Pitch between the two neighboring load bearing steel bars is 30mm or 40mm.
Cross Rod Pitch: Pitch between two neighboring cross rods is usually 50mm or 100mm. Special specifications

can be done according yours request

hot-dipped galvanized road drainage standards:

hot-dipped galvanized road drainage specifications

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.

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 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),(19-w-2) and so on.

38, 50, 76, 100, 101.6mm etc, also be according to client's requirement and 50, 100mm are recommended

America standard is available.

Untreated, Painting or Hot dip Galvanizing

hot-dipped galvanized road drainage

ries	Series distance	Traverse line distance	Load flat specifications (wide×thick)
ries	Series distance	Traverse line distance	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

series	Series distance	Traverse line distance	Load flatspecifications (wide×thick)
series	Series distance	Traverse line distance	32×5	40×5	45×5	50×5	55×5	60×5
1	30	100	G325/30/100	G405/30/100	G455/30/100	G505/30/100	G555/30/100	G605/30/100
1	30	50	G325/30/50	G405/30/50	G455/30/50	G505/30/50	G555/30/50	G605/30/50
2	40	100	G325/40/100	G405/40/100	G455/40/100	G505/40/100	G555/40/100	G605/40/100
2	40	50	G325/40/50	G405/40/50	G455/40/50	G505/40/50	G555/40/50	G605/40/50
3	60	50	G325/60/50	G405/60/50	G455/60/50	G505/60/50	G555/60/50	G605/60/50