1. What is steel grating? (galvanized welded steel 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- welded steel grating
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
G323/30/100
G403/30/100
G205/30/100
G255/30/100
50
G203/30/50
G253/30/50
G323/30/50
G403/30/50
G205/30/50
G255/30/50
40
100
G203/40/100
G253/40/100
G323/40/100
G403/40/100
G205/40/100
G255/40/100
50
G203/40/50
G253/40/50
G323/40/50
G403/40/50
G205/40/50
G255/40/50
60
50
-
G253/60/50
G253/60/50
G403/60/50
G205/60/50
G255/60/50
Bearing bar pitch
Cross bar pitch
Load steel size (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

Product Details
No.
Terms
Description
1
Material
Low carbon, middle carbon, stainless steel
2.
Material standard
GB700-88, ASTM(A36), BS4360(43A), AS3679
3.
Bearing bar size
20*3, 20*5, 25*3, 25*5, 32*3, 32*5, 35*3, 35*5,
40*3, 40*5, 45*5, 50*3, 50*5, 55*5, 60*5, 65*5mm etc,
4.
Bearing bar pitch
15, 20, 25, 30, 33, 35, 38, 40, 50, 60, 80, 90mm
5.
Cross bar pitch
24-200mm
6.
Surface treatment
Hot dipped galvanized, painted, self-color,
7.
Grating standard
YB/T4001.1-2007, ANSI/NAAMM(MBG531-88),
BS4592-1987, AS1657-1985
8.
Bearing bar type
F, I, S, IS type
9.
Application
Floor walkway, industrial platform, stair tread, metal ceiling, trench cover, barrier fencing
10.
Feature
Fine appearance, anti-corrosive, simple installation, light weight, high load, anti-skid,
Prevent dirt deposition, ventilation, anti-explosion
11.
Payment terms
TT, L/C
12.
Package
Pallets in containers packed by steel strap and worthy sea shipping, or according to the customers' requirements
13.
Product capacity
10days for a 20"


Steel Grating Standard

Steel Grating Standard
Steel Standard
Galvanizing Standard
China Standard
YB/T 4001.1-2007
GB700-88
GB/T13912-2002
USA Standard
ANSI/NAAMM (MBG531)
ASTM (A36)
ASTM (A123)
U. K. Standard
BS4592
BS4360 (43A)
BS729
Australia Standard
AS1657
AS3679
AS1650
Deutsche Standard
DIN24537
DIN17100-80
DIN50976
4. Welded steel grating application
Steel stair treads,

steel grating ceiling,

steel grating fence,

steel trench cover grating

 

If any inquiry feel free to tell the exact specification.

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!