Steel Grating

material

Low carbon steel, stainless steel (Q235, A36, SS304, SS316L, S235JR)

Surface treatment

Black, hot dipped galvanized, painting

Bearing bar width*thickness

25x3, 25x4, 30x3, 30x4, 30x5, 32x5, 40x5, 50x5, ... 75x10mm

Bearing 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"x1/4", 1-1/4"x 1/4",

1-1/2" x 1/4" etc.

Bearing bar shape

Plain Style Steel Grating, Serrated Style Steel Grating and I Bar Type Steel Grating.

Standard with

China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88), 

UK: BS4592-1987, Australia: AS1657-1985, Japan: JJS.

Cross bar shape 

 Round or twisted

Cross bar pitch 

38, 50, 76, 100, 101.6mm

Galvanizing standard 

US: ASTM (A123), CN: GB/T13912, UK: BS729