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galvanized steel grating walkway
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galvanized steel grating walkway

  • Hebei, China (Mainland)
  • ASTM
  • Steel
  • with pallet
  • within 15 days

Steel graing is a kind of open steel member wth its bearing bar & cross bar jonting at intersections either

by welding or by locking.


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
UK: BS4592-1987
Australia: AS1657-1985


Steel grating standard

  steel grating standard steel standard galvanized standard
China standard YB/T 4001.1-2007 GB700-88 GB/T13912-2002
USA standard ANSI/NAAMM(MBG531) ASTM (A36) ASTM(A123)
U.K. standard BS4592 BS4360(43A) BS729
Australia standard AS1657 AS3679 AS1650


Common size:

type 1. 30mm centres

suitable for heavy loading. avaliable in mild steel (forge welded or twistlock) and aluminium (twislock)


type 2. 40mm centres

for walkways, fixed platforms, stairways and ladders


type 3. 60mm centres

mainly used in the mining industry as it minimises the build-up of spillages on the flooring. The openings 

let small matter fall through while larger matter is caught on the grating


1) Flooring

2) stair streads

3) sun shades

4) Drain covers

5) security screens

6) manhole covers

7) mezzanine flooring

8) earth mats

9) shelving

10) stanchions (hand rails)

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