Galvanized steel grating:
1)Material: There are mill steel black, hot dip Galvanizing and stainless steel grating.
2)Usage: flooring walkway, platform ,steel structures, stair tread, well cover, trench cover, sump cover,compound gratings, storage shelves, ladder, fences and handrail so on for construction project, oil project, seaport, power plant, water plant, defense project, chemical factory and so on.
3)Types: Plain Style Steel Grating, Serrated Style Steel Grating and I Bar Type Steel Grating.
4)Surface Treatment:
Untreated, Painting ,Powder coated or Hot dip Galvanizing
Untreated, Painting ,Powder coated or Hot dip Galvanizing
5)Steel grating standards:
A) China: YB/T4001-1998
B) USA: ANSI/NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1988
E) Japan: JJS.
A) China: YB/T4001-1998
B) USA: ANSI/NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1988
E) Japan: JJS.
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Pitch of Bearing bar
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Cross-bar Pitch
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Specification of bearing bar load(width×thickness)
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20×3
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25×3
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32×3
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40×3
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20×5
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25×5
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30
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100
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G203/30/100
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G253/30/100
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G323/30/100
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G403/30/100
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G205/30/100
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G255/30/100
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50
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G203/30/50
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G253/30/50
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G323/30/50
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G403/30/50
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G205/30/50
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G255/30/50
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40
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100
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G203/40/100
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G253/40/100
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G323/40/100
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G403/40/100
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G205/40/100
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G255/40/100
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50
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G203/40/50
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G253/40/50
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G323/40/50
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G403/40/50
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G205/40/50
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G255/40/50
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60
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50
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G253/60/50
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G253/60/50
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G403/60/50
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G205/60/50
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G255/60/50
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Pitch of Bearing bar
|
Cross-bar Pitch
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Specification of bearing bar load(width×thickness)
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|||||
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32×5
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40×5
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45×5
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50×5
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55×5
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60×5
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30
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100
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G325/30/100
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G405/30/100
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G455/30/100
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G505/30/100
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G555/30/100
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G605/30/100
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50
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G325/30/50
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G405/30/50
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G455/30/50
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G505/30/50
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G555/30/50
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G605/30/50
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40
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100
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G325/40/100
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G405/40/100
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G455/40/100
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G505/40/100
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G555/40/100
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G605/40/100
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50
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G325/40/50
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G405/40/50
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G455/40/50
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G505/40/50
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G555/40/50
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G605/40/50
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60
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50
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G325/60/50
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G405/60/50
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G455/60/50
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G505/60/50
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G555/60/50
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G605/60/50
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