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What are the main differences between forged steel ball valves and cast steel ball valves

What is the difference between forged steel ball valve and cast steel ball valve? Mainly the forging process and processing form of steel are different:

Forged steel ball valves are steel used for casting castings. A type of cast alloy. Cast steel is divided into three categories: cast carbon steel, cast low alloy steel and cast special steel. Cast steel refers to a kind of steel casting produced by casting method. Cast steel is mainly used to manufacture some parts with complex shapes, which are difficult to be forged or formed by cutting and require higher strength and plasticity.

Forged steel ball valve refers to various forgings and forgings produced by forging methods. The quality of forged steel ball valve is higher than that of cast steel ball valve, it can withstand large impact force, and its plasticity, toughness and other mechanical properties are also higher than that of cast steel parts, so all important machine parts should use forged steel parts.

Casting is liquid forming, while forging is a plastic deformation process. Forging shaped workpieces can improve the internal structure of the organization, with good mechanical properties and uniform grains. Important and laborious workpieces must be forged. Casting will cause tissue segregation and tissue defects. Of course, casting has its advantages. , The forging of complex workpieces is not easy to open the mold, and casting has been adopted.

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