What are the wall thickness and the outer diameter of flexible cast-iron drainage pipes?
According to the latest national standards, divided into A type, B type, W type, W1 type. Four specifications. Which one do you need? Their wall thickness requirements are different!
Cast iron is a general term of cast iron carbon alloy containing more than 2% carbon. It is usually made up of pig iron, scrap steel, ferroalloy and so on in different proportions. The main elements of iron, carbon and silicon, manganese and other small amounts of phosphorus and sulfur and other elements, is pig iron (sometimes steel and iron) re melted down, and adding iron alloy, steel scrap, recycled iron obtained by adjusting the composition of.
The wall thickness of flexible cast iron drain pipe is 0.5m, and the outer diameter is 2cm.