Each casting foundry of India is known either for their Ductile Iron or the Traditional Cast Iron or both. While both the types are cast in the same foundry, their properties and varied and how. From applications to different resistance-levels, both the iron types play a pivotal role in the construction industry.Choosing a suitable kind for a particular job is extremely important and knowing the basics, tend to help. Below is a list of few basic differences between Ductile Iron and Traditional Cast Iron.
Cast Iron is an alloy that is made from 96-98% iron and 2-4% of carbon and silicone. Being a traditional metal type, it usually can handle temperatures above 1150 degrees Celcius. Ductile Iron, on the other hand, is a recent and more modern development where it is formed with graphite as one of the components, giving it an excellent ductility. The temperature limit is lower as compared to cast iron but can handle upto 730-degree celsius.
Durability & Structural Rigidity
Known for its structural rigidity, high compression strengths, and corrosion resistance, Ductile Iron is usually twice as strong when compared to cast iron. On the contrary, cast iron can handle high pressures but if exceeded, can bend and crack.
Installation & the Ease
Cast iron has rightfully earned the privilege of being an ace as the material offers many options when it comes to installation. The iron is typically bolted and welding is easier too. It is also an excellent choice for high or low pressure applications. Ductile iron, on the other hand, offers the same properties but welding is not recommended but bolting is advisable.
Due to a simplified manufacturing process, cast iron saves a significant amount. However, even though Ductile Iron is slightly more expensive, it has clear advantages in many situations due to its properties. Being a less brittle alloy, the ductility and resistance come as an advantage for Ductile Iron.
It is highly recommended to consult a metallurgist or an engineer before purchasing the metal type. Examining the working stress and choosing the best material goes hand in hand. Govind Steel is one of the largest cast iron foundries of the nation with an installed capacity of 24,000 MT. Consult the website before making a decision or get more information straight from the leaders themselves on www.govindsteel.com