Manhole Cover
Ductile iron manhole cover is a kind of ductile iron product, we also have other ductile iron products such as valves etc. Ductile iron manhole covers are generally divided into round and square.
Ductile iron is a high-strength cast iron material developed in the 1950s, and its comprehensive performance is close to that of steel. It is based on its excellent performance that it has been successfully used to cast some parts with complex force, high requirements of strength, toughness and wear resistance.
1. Ductile iron has high strength and good toughness, which is more than 10 times of gray iron material.
2. Strong corrosion resistance.
3. Good plasticity. Elongation ≥7%, similar to high carbon steel.
4. High strength.
5. Safety and stability.
The main application fields of ductile iron manhole covers: municipal roads, highways, communications, electric power, water, neighborhoods, schools and other kinds of parks. Round manhole covers are mainly used in urban roads, because the distance from the center of the circle to the periphery of the round manhole cover is as long, so it will not happen that the manhole cover is caught or fallen, which can well protect the safety of pedestrians and vehicles on the road; square manhole covers are generally used in the countryside and cable wells, which can prevent the infiltration of rain and snow.
We can customize the shape, size and load rating of manhole covers according to customer's requirements, such as 600 x 600, 450 x 450, 1200 x 1200 and other different sizes of cast iron manhole covers. Our cast iron manhole covers, drainage manhole covers are safe and reliable, welcome to order.
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