steel grating

1>plain style,serrated style, and I bar type, etc
2>bearing bar size:20*3--100*10
3>bar pitch: various kinds
1>plain style,serrated style, and I bar type, etc
2>bearing bar size:20*3--100*10
3>bar pitch: various kinds
We specialize in manufacturing and exporting many kinds of steel gratings with the best quality, competitive price and faster delivery time. Such as steel mill black and hot dip Galvanizind steel grating,flooring walkway,platform,stair tread,well cover,trench cover,checkered gratings, grating ladder,fencesand handrail,etc for construction project, oil project, seaport, power plant, water plant, defense project, chemical factory and so on.
The steel grating can be classified into Plain Style Steel Grating, Serrated Style Steel Grating andI Bar Type Steel Grating, etc,They are widely used in steel structure platforms, stair treads, sidewalks, drainages and well covers etc. We can design and manufacture standard steel grating as per client's requirements.
1) Bearing Bar (Load Bar) Specifications (mm):
The specification of plain type and serrated type bearing bar is 20 x 3 to 100 x 10,the specification of Isection 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.
2) Bearing Bar Pitch (center to center):
12.5, 15,25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mmetc, and 30, 40, 60mm are recommended,
3) Cross Bar Pitch (center to center):
38, 50, 76, 100, 101.6mm etc, and 50, 100mmare recommended, America standard is available.
4) Material:
Mild Steel (Low Carbon Steel) or Stainless Steel
5) Surface Treatment:
Untreated, Painting or Hot dip Galvanizing
6) Steel grating standards:
A) China: YB/T4001-1998
B) USA: ANSI/NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1985
E) Japan: JJS.

Item No.
Bearing Bar Pitch
Cross Bar Pitch
Specification of bearing bar loadwidth×thickness
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
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
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
Item No.
Bearing Bar
Pitch
Cross Bar Pitch
Specification of bearing bar loadwidth×thickness
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
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
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