Galvanized Steel Grating
Galvanized steel grating is composed of carbon steel grated panels that undergo hot-dip galvanization-a process where the grating is coated with a protective layer of zinc to prevent rust, enhance resistance to corrosion, and extend service life. This galvanized finish makes the grating highly durable for both indoor and outdoor installations, especially where heavy moisture, chemicals, or abrasive substances are common. Over time, the zinc coating gradually wears, which acts as a sacrificial barrier to ensure the underlying steel remains protected.
Most galvanized steel gratings meet or exceed B load class standards-capable of withstanding loads up to 28,000 lbs (125 kN) as defined by Deutsches Institut für Normung (DIN), making them suitable for use in mining operations, transportation hubs, drainage covers, loading bays, and municipal infrastructure projects. Their slip-resistant surfaces and ease of installation further contribute to their popularity in a wide range of industrial and commercial grating applications.
Common Steel Grating Specification
| Bearing bar pitch | cross bar pitch | bearing bar size ( depth*thickness) | |||||||
| 20×3 | 25×3 | 25×3 | 40×3 | 20×5 | 20×5 | ||||
| 30 | 100 | G203/30/100 | G253/30/100 | G323/30/100 | G403/30/100 | G205/30/100 | G255/30/100 | ||
| 50 | G203/30/50 | G253/30/50 | G323/30/50 | G403/30/50 | G205/30/50 | G255/30/50 | |||
| 40 | 100 | G203/40/100 | G253/40/100 | G323/40/100 | G403/40/100 | G205/40/100 | G255/40/100 | ||
| 50 | G203/40/50 | G253/40/50 | G323/40/50 | G403/40/50 | G205/40/50 | G255/40/50 | |||
| 60 | 50 |
|
G253/60/50 | G253/60/50 | G403/60/50 | G205/60/50 | G255/60/50 | ||
| Bearing bar picth | cross bar pitch | Bearing bar size( depth*thickness) | |||||||
| 32×5 | 40×5 | 45×5 | 50×5 | 55×5 | 60×5 | ||||
| 30 | 100 | G325/30/100 | G405/30/100 | G455/30/100 | G505/30/100 | G555/30/100 | G605/30/100 | ||
| 50 | G325/30/50 | G405/30/50 | G455/30/50 | G505/30/50 | G555/30/50 | G605/30/50 | |||
| 40 | 100 | G325/40/100 | G405/40/100 | G455/40/100 | G505/40/100 | G555/40/100 | G605/40/100 | ||
| 50 | G325/40/50 | G405/40/50 | G455/40/50 | G505/40/50 | G555/40/50 | G605/40/50 | |||
| 60 | 50 | G325/60/50 | G405/60/50 | G455/60/50 | G505/60/50 | G555/60/50 | G605/60/50 | ||
GNEE STEEL
Since 2008, GNEE STEEL has focused on the production and sales of steel grating products, cooperating with over 160 countries, serving over 8,000 customers, and employing over 200 professional employees, creating an experienced and responsive international trade team.
