Grey iron or sometimes referred to as grey cast iron is a variety of cast iron that contains large amounts of graphite. The grey colour in the iron also comes from the presence of graphite in its structure. Grey iron is the most widely used cast iron and used in internal engine parts, valves, cooking utensils among many others.

Know About Grey Cast Iron

One must first understand what grey iron is before considering it for use. Basically grey iron is the most popular cast iron in the market. Derived its name from the obvious grey colour appearance, the flake structure of the graphite present in the iron, makes its colour grey.

Crescent Foundry is the leading manufacturer & biggest exporter of highest quality Cast Iron (Grey) and Ductile… http://fb.me/8fZJW8TE7

– Al Feroz Qatar

Grey cast iron usually has a lower tensile strength and resistance as compared to other cast irons but its strength is much higher than any other cast iron and even steel. The dimensions and form of the graphite flakes in the structure play a big role in the strength of the grey cast iron.

Owing to its considerable strength, grey cast iron can replace steel in many places. Most of the man hole covers on the streets and the brakes on the vehicle are made from gray cast iron. Its high resistivity to heat also makes it ideal for manufacturing cooking utensils.

The Pros of Grey Cast Iron

The numerous advantages of grey iron make it ideal for grey iron manufacturers to produce. Let us take a look at few of them.

• Gray iron is preferred because of its low cost. Manufacturers and grey iron casting companies prefer it over any other type because it’s very easy to manufacture.
• Although it has relatively lower tensile strength and resistance, its yield strength is much higher. Hence, its applications are way more than other cast irons.
• Grey iron has a good machinability.
• Gray iron has an exceptional damping capacity. Basically, grey iron can absorb energy and convert it into heat. This makes it ideal for use in many machines and in housing.
• Grey iron is very easy to weld because of its low resistivity and ductile strength.
• Grey iron has an excellent ability to endure thermal cycling. Meaning it does well not to become hot or cold and regulates the temperature well.

Undoubtedly, grey iron is one of the most advantageous forms of cast iron in the market.

About Grey Iron Manufacturers

The abundance of grey iron manufacturers have increased tenfold over the past few years. The need of a good grey iron casting company is very much required. You need to extremely careful when electing to choose any such company.

You need to keep in mind various factors before choosing one. Selecting a reputed manufacturing company with a good history, opinion and reach should be one of your go to factors.

Crescent Foundry is the leading manufacturer & biggest exporter of highest quality Cast Iron (Grey) and Ductile Iron (SG) manhole covers in India for Drainage and Sewerage usage.#crescentFoundary #IronFoundary #FridayFeeling pic.twitter.com/dGSCvB1huU

— Crescent Foundry (@crescentfoundry) January 5, 2018

Perform a thorough background check into the type of iron used, the grey iron foundry where the grey iron is manufactured, the prices of the company and its competitors, all come into account while dealing with grey iron manufacturers.

Grey Iron and Its Specifications

The manufacture of grey iron casting is along albeit easy process. Much like others, the main component is obviously iron, but grey iron has a higher phosphorous content than other cast irons. The graphite flakes in the grey iron are intertwined with the rest of the molecules.

Grey iron has a high damping capacity in the range of 100-500 which is significantly higher than other types.

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