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Hot Dipped Galvanized Platform Steel Grating Mild Steel Sliver Color
Steel grating/platform grating/gutter grating is made by bearing bar and cross bar according to the flat-steel weft arrangement, in high-pressure spacing on resistance welder welded by cutting, incision, opening, overlock process such as processing and into customer requirements finished products.
1. Bearing Bar (Load Bar) Specifications (mm):
The specification of plain type and serrated type bearing bar is 25 x 3 to 100 x 8; 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, etc.
2. Bearing Bar Pitch (center to center):
12.5, 25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mm etc, also be according to client's requirement and 30, 40, 60mm are recommended, America standard is available <1'' x 3/16'', 1 1/4'' x 3/16'', 1-1/2'' x 3/16'', 1'' x 1/4'', 1-1/4'' x 1/4'', 1 1/2'' x 1/4''(19-w-4) and so on. >
3. Material:
Mild Steel (Low Carbon Steel) Aluminum or Stainless Steel
4. Steel grating standards:
A) China: YB/T4001-1998
B) USA: ANSI/NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1985
E) Japan: JJS
5. Surface process of gratings: there are three types:hot-dipped galvanized ,electro-galvanized and spraying brushing and soaking.anti-acid and alkali corrosion capacity the range PH6 to PH12.5,a stable protective film will be formed on the zinc surface.it has good anti-corrosive property.
6. Packing conditions of steel grating:normally packed in pilling up ways with two pieces of square wood on both upperand bottom sides.there are four or six pieces of M10 long bolt penetrading the gratings and screwing together.it is suitable for loading and unloading by fork-lift and crane.
| Matrial | Low carbonsteel / Stainless steel |
| Grade | CN: Q235, Q345 ; UK: 43A |
| Bearing bar size | 20X5, 25X3, 25X4, 25X5, 30X3, 30X4, 30X5, 32X3, 32X5, 40X5, 50X4... 75X8, 100X8mm, etc |
| Bearing bar pitch | 20,25,30,32.5,34.3,40,50,60,62,65mm |
| Bearing bar type | plain, Serrated (tooth-like), I bar (I section), Serrated-I |
| Cross bar size | 5X5, 6X6, 8X8mm (twisted bar)/5, 6, 8mm ( round bar) |
| Cross bar pitch | 40, 50, 60, 65, 76, 100, 101.6, 120, 130mm, etc. |
| panel size: | 1000x1000mm, 1000x2000mm, 1000x3000mm, 1000x6000mm |
| Surface treatment | Untreated, hot DIP galvanized, cold DIP galvanized, painted, powder coated, pickling, electrolytic polishing, or as customers’ requirement. |
| NO. | Bearing size(mm) | Cross bar pitch(mm) | Weight(kg/square meter) |
| G253/30/50 |
25x3 | 50 | 25.7 |
| G253/30/100 | 100 | 22.8 | |
| G255/30/50 |
25x5 | 50 | 39 |
| G255/30/100 | 100 | 36.2 | |
| G323/30/50 |
32x3 | 50 | 31.3 |
| G323/30/100 | 100 | 28.4 | |
| G325/30/50 |
32x5 | 50 | 48.4 |
| G325/30/100 | 100 | 45.5 |
