Galvanized Grid Heavy Duty Steel Grating Standard Weight
Building Material Hot Dipped Galvanized Steel Grating For Trench Cover Or Foot Plate
Galvanized grating, also called galvanized steel grating or galvanized steel bar grating, refers to the steel bar grating made of mild carbon steel through hot dipped galvanized surface treatment.
Mild carbon steel provides an economical, high strength for uses in most industrial and commercial applications. And hot dipped galvanized surface treatment supplies excellent corrosion resistance performance for durability.
Steel grating is available in various material, such as stainless steel, aluminum, and galvanized steel. Among them, the galvanized steel grating is the most cost effective and economical type with long service life and high load. And it is the most widely used in both industrial, commercial and residential applications.
Hot-dip galvanizing is the most effective, economical and durable process to protect steel from atmospheric corrosion. The process is based on immersing the steel in a 450º molten zinc bath. The zinc covers the steel and protects it from atmospheric oxidation processes.
Welded Steel Bar Grating Specification:
| No. | Item | Detailed Description |
| 1 | Bearing Bar | 25x3, 25x4.5, 25x5, 30x3, 30x4, 30x5, 30x5.5, 32x5, 40x5, 50x5,60x5,70x6, 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 1/4' ' x1/8' ' , 1 1/2' ' x1/8' ' etc | ||
| 2 | Bearing Pitch | 12.5, 15, 20, 25, 30, 30.3, 32.5, 35, 38.1, 40, 41.25, 60, 80mm etc |
| US standard: 19-w-4, 15-w-4, 16-w-4, 11-w-4, 19-w-2, 15-w-2 etc | ||
| 3 | Cross Bar Pitch | 38, 40 50, 60, 76, 80, 100, 101.6, 120mm, 2' ' & 4' ' etc |
| 4 | Steel Grade | ASTM A36, A1011, A569, Q235, S235JR, SS304, Mild steel & Low carbon steel, etc |
| 5 | Surface Treatment | Black, self coloures, 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 |
Metal Grate Picture:
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