Product Main

Specifications

Fabrications:
The serrated steel/bar grating is made of serrated bearing bar and cross rods. They placed horizontally and vertically, and at an equal pitch apart, by welding with 200ton hydraulic resistance automatic welding equipment then cutting punching and handing ends.
Center to Center Bearing Bar Spacing: we usually supply with 30mm or 40mm
Center to Center Cross Bar Spacing: usually supply with 50mm or 100mm. and we are also pleased to accept your special order.
Product Description
1) Material: Carbon steel or stainless steel
2) Bearing bar specification: 20 x 3mm to 90 x 7mm
3) Bearing bar pitch: 12. 5mm, 25mm, 30mm, 33. 5mm, 37. 5mm, 40mm, 50mm & 60mm
4) Cross bar pitch: 25, 38, 50, 50. 8, 76, 100 & 101. 6mm
5) Maximum length of black panel: 6, 100mm
6) Material: Carbon steel or stainless steel
7) Surface treatment: Untreated, paint or hot dip galvanized
8) Steel grating standards:
A) China: YB/T4001-1998
B) USA: ANSI/NAAMM (MBG531-88) .

   
Series
Pitch of Bearing bar
Cross-bar Pitch
Specification of bearing bar load(width×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
Series
Pitch of Bearing bar
Cross-bar Pitch
Specification of bearing bar load(width×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