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When builders and manufacturers make things from metal, cast iron is a very popular material. Did you know that there are actually different kinds of cast iron? Choosing the most suitable one for your project is extremely crucial; if you pick the right one, your project will really work well. Join me in this lesson where I simply, with lots of plain words and examples, show you how to get the right cast iron for you.

Understanding Grey and Ductile Iron

The first thing you need to know is there are two main types of cast iron, grey iron and ductile iron. The most familiar type is grey iron. The adjective meaning "grey" refers to the color of the animal, which is of a grey colour. Nodular iron, known as "ductile iron"Oct 23, 1890 This is a newer type developed in the 1940s. The main difference in this family occurs between these two biased types that metallic ductile is much stronger and flexible than grey iron. Ductile iron derives this added strength and flexibility from the minute quantities of magnesium or cerium that ductile iron has. Because of this, ductile iron has specific materials that can be added to give it unique characteristics used for various types of projects.

The Strength and Hardness You Need to Know

Now that you know the two general types of cast iron, consider your specific needs when it comes to your project. Each project has its own requirements regarding hardness and strength. It will vary based on what you are making and how it'll be used. Such as if you are making a heavy machine part that would bear much tighter, in that case you need a heavy type of cast iron which is very strong and hard. Which allows it to endure the stress it experiences in using. But if you are creating something that is more decorative and doesn’t need to hold much weight, you could opt for a less sturdy cast iron. This will save you money, while still letting you create something lovely.

Cast Iron Consideration Based on Cost

The other major consideration to keep in mind when it comes to choosing cast iron is the cost. Different classes of cast iron and different casting methods have their associated prices. You want to be certain that you are purchasing quality iron for your project, but at the same time, you want to be sure it is reasonably priced. Which means you also have to weigh between the quality and price. Your foundry may give you a quote for each choice that will allow you to compare the costs and advantages of every kind of cast iron and casting process. This way, you’ll have enough information to make a decision that meets your needs and your wallet.