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Metal building materials hot dipped 30 x 3mm galvanized steel grating
Description
Hot-dip galvanized steel grating, also known as hot-dip galvanized steel grating, is a grid-shaped building material made of low-carbon steel flat steel and twisted square steel welded horizontally and vertically. Hot-dip galvanized steel grating has strong impact resistance, strong corrosion resistance and heavy load capacity, elegant and beautiful, and has excellent performance in municipal roadbed and steel platform construction projects. The extremely high cost performance is that hot-dip galvanized steel gratings are widely used in the construction of new and old roadbeds to cover water channel roads.
The surface of the hot-dip galvanized steel grating has undergone a special hot-dip galvanizing treatment, and its chemical and physical properties are stable, and it is not easy to be corroded and oxidized by air and microorganisms. Can significantly increase the load capacity of the trench. Prevent collapse. The hot-dip galvanized steel grating with a flat steel spacing of 3 cm has greater impact resistance and has the characteristics of the largest span. The longer its service life, generally in the range of 40-50 years. If damage factors are not considered to be involved, hot-dip galvanized steel grating is a very good steel frame structure and load-bearing platform.
| No. | Item | Detailed Description |
| 1 | Bearing Bar | 25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10---100x10mm etc; I bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etc US standard: 1' ' x3/16' ' , 1 1/4' ' x3/16' ' , 1 1/2' ' x3/16' ' , 1' ' x1/4' ' , 1 1/4' ' x1/4' ' , 1 1/2' ' x1/4' ' , 1' ' x1/8' ' , 1 1/4' ' x1/8' ' , 1 1/2' ' x1/8' ' etc |
| 2 | Bearing Bar Pitch | 12.5, 15, 20, 25, 30, 30.16, 30.3, 32.5, 34.3, 35, 38.1, 40, 41.25, 60, 80mm etc US standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc |
| 3 | Twisted Cross Bar Pitch | 38.1, 40 50, 60, 76, 80, 100, 101.6, 120mm, 2' ' & 4' ' etc |
| 4 | Steel Grade | ASTM A36, A1011, A569, Q235, S235JR, S275JR, SS304, Mild steel & Low carbon steel, etc |
| 5 | Surface Treatment | Black, self colour, hot dip galvanized, painted, spray coating |
| 6 | Grating Style | Plain / Smooth, Serrated /teeth, I bar, serrated I bar |
| 7 | Grating Standard | China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88), UK: BS4592-1987, Australia: AS1657-1985, Japan: JIS |
Application
They are widely used for platform, trestles, covers, ladders and fencing in many fields such as petroleum and chemical industry, electric power, water supply, sewage treatment, ship building, parking lots, city construction, environmental engineering.