Custom Galvanised Steel Driveway Grates Grating With Serrated For
Ditch Cover
description
Steel grating is flat steel bar according to a certain distance and
cross arranged and welded into the middle of a square lattice with
an iron and steel products ,steel grating generally use carbon
steel production, appearance of hot dip galvanized, can serve to
prevent the role of oxidation, can also be made of stainless steel
.
1)The specification of plain type and serrated type bearing bar is
20 x 3 to 100 x 9;the specification of I-section type is 25 x 5 x
3, 32 x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x 5 x 3, 50 x 7 x 4, 55 x
7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 x 7 x 4, 75 x 7 x 4,
2) Bearing Bar Pitch (center to center):
12.5 to 100 mm etc, also be according to client's requirement and
30, 40, 60mm are recommended, America standard is available.
3) Cross Bar Pitch (center to center):
from18.5 to 101.6mm etc, also be according to client's requirement
and 50, 100mm are recommended, America standard is available.
4) Material:
Low Carbon Steel or Stainless Steel
5) Surface Treatment:
Untreated, Painting or Hot Dipped Galvanizing
application
for walkway ,ditch cover ,etc
| Specifications of steel gratings |
| No | Item | Description |
| 1 | Bearing bar | 20x5, 25x3, 25x4, 25x5, 30x3, 30x4, 30x5, 32x3, 32x5, 40x5,
50…75x8mm, etc. |
| 2 | Bearing bar pitch | 25, 30, 30.16, 32.5, 34.3, 40, 50, 60, 62, 65mm, etc. |
| 3 | Cross bar | 5x5, 6x6, 8x8mm (twisted bar or round bar) |
| 4 | Cross bar pitch | 40, 50, 60, 65, 76, 100, 101.6, 120, 130mm or as customers’
requirement. |
| 5 | Surface treatment | Black, Hot dip galvanized, Cold dip galvanized, Painted, Powder
coated, or as customers’ requirement. |
| 6 | Flat bar type | Plain, Serrated (tooth-like), I bar (I section) |
| 7 | Material standard | Low carbon steel (ASTM A36, A1011, A569, S275JR, SS304, SS400,UK:
43A) |
| 8 | Galvanizing standard | CN: GB/T13912, US: ASTM (A123), UK: BS729 |
| 9 | Steel grating standards | A. China: YB/T4001-1998 |
| B. USA: ANSI/NAAMM (MBG 531-88) |
| C. UK: BS4592-1987 |
| D. Australia: AS1657-1988 |
| E: Japan: JJS |
advantage
light weight-easy to install and clean-nodem
-nice appearance-high strength-ventilation and light can pass
through
-material saving-slip-resistant and safe
-heavy loading and durable
product details
packing
