Durable Galvanized Steel Stair Tread for Industrial Platforms
HOT DIP GALVANIZED STEEL GRATING
Galvanized steel grating is steel bar according to a certain distance and cross bar arranged and welded into the middle of a square latice with an iron and steel products. It is mainly used on the industrial platform, walking flooring, drainage cover, well cover, oil platform, stair tread step etc.
Features
- High strength and light structure
- Powerful anti-corrosion, durable and long working life
- Beautiful appearance, bright surface
- No dirt-rain-snow deposit, automatic cleaning, easy maintenance
- Good ventilation, day-lighting, heat-dispersing, resistant to sliding and explosion
- Easy installation and disassembly
Technical Specifications
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) or Stainless Steel
4) Surface Treatment:
Untreated, Painting or Hot DIP Galvanizing
5) 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
| No. |
Item |
Description |
| 1 |
bearing bar |
20 x 5, 25 x 3, 30 x 3, 30 x 5, 32 x 3, 32 x 5, etc. |
| 2 |
bearing bar pitch |
15mm, 25mm, 30mm, 40mm, 50mm, or as customers' requirement |
| 3 |
cross bar |
5 x 5, 6 x 6 (twisted bar or round bar) |
| 4 |
cross bar pitch |
40mm, 50mm, 60mm, 100mm, or as customers' requirement |
| 5 |
flat bar type |
plain, serrated (tooth-like), I bar (I-section), serrated I-shape bar |
| 6 |
surface treatment |
untreated, hot dip galvanized, powder coated, and electro polished, etc. |
| 7 |
steel grating standards |
China: YB/T4001.1-2007; US: ANSI/NAAMM(MBG531-88); UK: BS4592-1987 |
| 8 |
steel product standard |
China: GB700-88; US: ASTM(A36); UK: 43A |
| 9 |
hot galvanized standard |
China: GB/T13912; US: ASTM(A123); UK: BS729 |
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