Current position: home > FAQ

Steel Grating Standards

Update Time: 2013-06-27

Steel Grating Standards

Definition of Steel Grating:
Steel grating is a kind of open steel member with its bearing bars & cross bars jointing at their intersections either by welding or by locking.

Our steel grating products are produced to meet the listed standards:

Steel Grating StandardSteel Material StandardHot Dip Zinc Coating Standard
China Standard:
YB/T4001—1998

China Standard:
GB700—88 

China Standard:
GB/T13912-92

USA Standard: 
ANSI/NAAMM(MBG531—88)
USA Standard:
ASTM(A36)
USA Standard: ASTM(A1 23)
UK Standard: BS4592—1987UK Standard: BS4360(43A)UK Standard: BS729
Australia Standard: ASl 657—1 992Australia Standard: AS3679Australia Standard: ASl650

 

 Steel Grating Mark
Steel Grating Mark

Note:
1.Bearing bar pitch: 30, 40, 60mm etc, of which 30, 40mm are recommended
2.Cross bar pitch:38, 50, 100mm etc, of which 50, 100mm are recommended
3.Sign of the shape of bearing bar:
F—Plain flat bar ( may be omitted in the symbol of steel grating )
S—Serrated flat bar
I—I Shape flat bar
4.Sign of surface treatment
G—Galvanizing (may be omitted in the symbol of steel grating)
P—Painted
U—Untreated


Next