Our Product

Galvanized Steel Grating

Karola supplies various steel gratings mainly galvanized steel grating and stainless steel grating used as industrial flooring and anti-slippery tread plates.

Galvanized Mild Steel Grate Panels

Steel Grating is made by Carbon or mild steel of certain sizes through the processing of grooving, lock-pressure, welding, finishing and other treatment. Industrial bar gratings can be actually made from copper, aluminum and other materials, while galvanized steel grating is the mostly used one due to its economic cost and good property.

Steel grating, with robust design and spanning abilities, is very strong and safe for the support of floors and elevated walkway. It can be used for ceiling, interior decoration, decoration, platform aisle, ventilation windows, (Wells), advertising plaque and other construction.

Steel Grating Stair Treads

Materials: Mild carbon steel provides an economical, high strength for uses in most industrial and commercial applications.

The advantages, specific application and features of steel grating:
Steel grating offers the following advantages compared with steel grid sheets:
Steel structural platform  has light weight, good strength, large carrying capacity and can save materials and cost. It offers good ventilation of light and wind, a modern sense, aesthetic appearance and anti-skid safety. It is also easy to clean, easy to installation and durable for uses.

Steel grating products are designed and manufactured for various industrial and civil constructions in city road, gardens, yard, airport, railway and industrial engineering, and they offer the following the features:

Aesthetic outlook: Simple lines and silver appearance meeting the modern trend.

The best drainage: Leakage area of 83.3 percent, more than twice of cast iron products. 

Hot-dip galvanized treatment: Good rust-proof property, maintenance-free replacement. 

Anti-theft design: The cover and the frame is joint with hinge offering security, safety and open convenience.

Steel Grating Standardizations:


National Standards for Grating


Galvanizing Standards


YB/T 4001.1-2007

GB 700-88








BS4360(43A )






Bearing Bar Sizes: 1"x1/8",1-1/4"x1/8",1-1/4"x3/16",1-1/2"x3/16",2"x3/16",2"x1/4".

Bearing Bar Pitches:12.5mm, 15mm, 24mm, 25mm, 30mm, 30.16mm(1-3/16"), 32.5mm, 34.33mm, 35.33mm, 38mm, 40mm, 41.25mm, 50mm, 60mm

Cross Bar Pitches: 38.1mm, 50mm, 75mm, and 100mm,101.6mm(4").

Standard Grating Panels Sizes: 3'x12', 3'x20', 3'x24'.

Surface Treatment: Bare, Paint and Hot Dipped Galvanized.

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