Galvanized Steel Bar Grating / Grating
Serrated Bar Hot Dip Galvanized Steel Grating
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 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.
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 recommeded.
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.
Specifications sheet:
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 |
|
Types and Applications :
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.
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