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Cast Iron | Types and Uses

2023-05-05

Types


1. White cast iron

Carbon is present here in the form of Iron carbide (Fe3C).

Its properties are
? It has High compressive strength
? It is difficult to machine
? It has Good hardness
? It has Resistance to wear


2. Gray cast iron

Carbon here is mainly in the form of graphite. It is inexpensive.

Its properties are
? It has Good machinability
? It has Good resistance to galling and wear
? It has high compressive strength
? It is brittle


3. Ductile cast iron


Its properties are

? It has High ductility
? It has High strength


4. Malleable cast iron

They are made malleable with the help of annealing. They are used to make parts where forging is expensive like, brake supports, hubs of wagon wheels etc. They are in expensive.

Its properties are
? They have High ductility
? They are tougher than gray cast iron
? They can be twisted or bent without fracture
? They have excellent machining capabilities


5. Nodular or spheroidal cast iron

Here graphite is present in the form of spheres or nodules.

Its properties are
? They have high tensile strength
? They have good elongation properties

Applications of cast iron


It is used in making following things

? It is used in making pipes, to carry suitable fluids

? It is used in making different machines
? It is used in making automotive parts
? It is used in making pots pans and utensils

? It is used in making anchor for ships.


ABOUT  KEVA
Keva Casting is a professional casting company that focuses on Construction, Machinery, Automobile, Hardware, Pipeline and many other industries.
We provide top quality products with the best service based on our complete production chain including our own mold design, advanced production techniques, and full management of the supply chain. Keva Casting has two factories located in Zhucheng, China's Shandong province.
We use "shell molding", which is a new technique that has been developed in recent years.This new technique has simplified production procedures and reduced air pollution compared with traditional sand casting and investment casting. Shell making and core making are faster to ensure production in enormous quantities. The dimensions and surface finishing are satisfactory for all kinds of industrial requirements. Besides supplying our own formwork & scaffolding systems, our casting products also supply OEM services in various industries.