900mm Serrated Hot DIP Galvanized Steel Grating Industrial Walkway Bar Grating Drain Cover Steel Grating

                               Heavy duty drain cover galvanized steel grating walkway steel grating

Serrated steel bar grating has better slip resistance and can also be widely used in steel structure platforms, sidewalks and drainages, compared with plain style steel grating. We can design and manufacture standard steel grating, with a width of up to 1 meter, and in customized shapes per client requirements.




Standard descriptions:
No Item Description
1 Bearing bar 25x3, 25x4, 30x3, 30x4, 30x5, 32x5, 40x5, 50x5, ...75x10mm
2 Bear bar pitch 12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40, 41, 60mm. US standard: 1"x3/16", 1 1/4"x3/16", 1 1/2"x3/16", 1"x 1/4", 1 1/4"x 1/4", 1 1/2"x 1/4" etc.
3 Cross bar pitch 38, 50, 76, 100, 101.6mm
4 Material Q235, A36, SS304
5 Surface treatment Black, hot dipped galvanising, paint
6 Standard China: YB/T 4001.1-2007
USA: ANSI/NAAMM(MBG531-88)
UK: BS4592-1987
Australia: AS1657-1985
 

Steel Grating
Bearing bar centers:	15-30, 40, 60, 80, 90 mm etc. With 30, 40 mm recommended.
Cross bar centers:	Any greater than 30mm is ok. With 50, 100mm recommended.
Marks:	Example: G 325/30/100 WFG
Size:	Customized

Standard of Steel Grating 

	Steel Grating Standard	Steel Material Standard	Hot Galvanizing Standard
China	YB/T4001.1-2007(YB/T4001-1998)	GB 700-88	GB/T13912-2002
England	BS4592-1: 1995	BS 4360: 1990	BS 729
U. S. A	ANSI/NAAMM(MBG531-2000)	ASTM A36/A36M-96	ASTM A123/A123M-97A
Australia	ASI657-1992	AS3679	AS1650