Steel bar grating can used in the trench and drainage system as the trench and drainage cover to ensure the excellent drainage performance and secure the pedestrians safety.
Steel Grating With Frame Drain Cover Material
the drainage trench gratings are made of carbon steel, aluminum and stainless steel. Different materials suit different applications of customers. Carbon steel grating is the most economical grating among the three types, and aluminum grating which features lightweight and corrosion resistance, can be used in the corrosive environments. The stainless steel grating with unique chemical stability is the ideal products to be used in the acid or alkali environments and keeps a long service life.
Steel Grating With Frame Drain Cover Features
l Durable: Hot-dip zinc surface treatment offers very good corrosion resistance to the steel grating trench covers.
l Ventilation, lighting, cooling,explosion-proof, non-slip performance.
l Optimized Draining Design: Water drainingarea amounts up to 83.3%, which is equal to twice of the cast iron product.
l No accumulation of dirt, rain, snow and water, self-cleaning, easy to maintain.
l Anti-thief.The angle frame is cast in reinforced concrete, and then put steel grating into the angle frame.
l High Strength. Much higher strength and ductility than cast iron and applicable to environments of large span and heavyload such as docks and airports, etc.
l Various Types.The grating type trench or gully cover can meet different environment,load, span and shape requirements, and can be customized based on provided size and shape.
Steel Grating With Frame Drain Cover Sizes of Trench Cover:
Flat steel: material is Q235A or stainless steel.The section of the flat steel can be plain, no-slippery serrated type and section I type. Common specifications are 20mm×5mm、25mm×5mm、25mm×3mm、32mm×5mm、32mm×5mm、40mm×5mm、40mm×3mm、50mm×5mm、65mm×5mm、75mm×6mm、100mm×8mm、100mm×10mm and soon.
Cross Bar: Round or twisted square steel,square or hexagonal steel made of Q235A, or 304 stainless steel. Twisted square steel is made by the rod through drawing and twisting, the common specifications are 5mm×5mm, 6mm×6mm, 8mm×8mm and so on.
Also,the trench cover made of steel grating can be supplied with many sizes to be used for different span and loading demands.