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Steel grating is available in varied forms suitable for different applications and overall load conditions. Hot dip galvanizing or painting provides excellent appearance, durability, and enhanced economy. Galvanized steel grating is widely used in power stations, chemical industry, oil & gas industry, boiler plants, mining, refineries, and more.
Mild Steel (Low Carbon Steel) or Stainless Steel
The specification of plain type and serrated type bearing bar is 20 x 3 to 100 x 10; 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.
| NO. | Item | 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, 23.85, 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, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc |
| 4 | Material Grade | ASTM A36, A1011, A569, Q235, 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 | Standard | China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88), UK: BS4592-1987, Australia: AS1657-1985, Japan: JIS |
Hot-dipped galvanized, electro-galvanized, and spraying brushing and soaking. Anti-acid and alkali corrosion capacity in the range PH6 to PH12.5. A stable protective film will be formed on the zinc surface, providing good anti-corrosive properties.
Steel grating untreated: Allows quicker delivery to customers who fabricate and galvanize the grating on their own.
Galvanized: Hot Dip Galvanizing provides a hygienic, clean, maintenance-free bright finish.
Steel grating is normally packed in piling up ways with two pieces of square wood on both upper and bottom sides. There are four or six pieces of M10 long bolts penetrating the gratings and screwing together. This packaging is suitable for loading and unloading by forklift and crane.
Steel grating is commonly manufactured from carbon steel, galvanized steel, stainless steel, and aluminum. Carbon steel grating is the most economical option, while stainless steel provides excellent corrosion resistance.
Galvanized steel grating is carbon steel grating coated with zinc through a hot-dip galvanizing process. This coating improves corrosion resistance and extends the product's service life in outdoor and industrial environments.
Steel grating offers high strength, excellent load-bearing capacity, anti-slip performance, good ventilation, easy drainage, low maintenance, and long service life.
Steel grating is widely used in construction, oil and gas, chemical plants, power stations, shipbuilding, mining, wastewater treatment, food processing, and transportation industries.
The correct specification depends on load requirements, span length, environment, surface treatment, and application type. Factors such as bearing bar size, spacing, and thickness should also be considered.
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