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