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Cast Iron
Cast iron is made by melting iron and adding a small amount of carbon, typically between 2% and 4%. This alloy is then poured into molds to create various products. Cast iron has exceptional durability and heat retention.
introduction
Cast Iron in CNC Machining
Cast iron is a group of iron-carbon alloys with a carbon content greater than 2%.
There are different types of cast iron, such as gray iron with excellent castability, ductile iron known for improved strength, and white iron offering high hardness. Cast iron is generally considered easy to machine due to its free-cutting nature. The graphite flakes in gray iron act as lubricants, aiding chip formation and reducing tool wear. Cast iron's ability to absorb and dampen vibrations is important for achieving smooth finishes and enhancing tool life.
The presence of graphite and other alloying elements contributes to the material's wear resistance, extending tool life. Cast iron can be brittle, so we use proper machining techniques to avoid part failure. Cast iron parts typically have good surface finishes, but we can use post-machining processes like grinding for enhanced precision.
Cast Iron Material List
TECHNOLOGY OVERVIEW
Basic Knowledge of Cast Iron
What is Cast Iron?
Cast iron is made by melting iron and adding a small amount of carbon, typically between 2% and 4%. This alloy is then poured into molds to create various products. Cast iron has exceptional durability and heat retention.
It is commonly used for cookware. Despite being heavy, cast iron cookware is valued for its longevity, with well-maintained pieces lasting for generations. Proper care, including avoiding harsh detergents and ensuring thorough drying, is important to prevent rust and maintain its quality.
Advantages of Cast Iron
Durable
High heat retention
Versatile cooking surface
Long lifespan
Even heat distribution
Adds iron to food during cooking.
Applications of Cast lron
Engine blocks
Pipes
Manhole covers
Brake rotors
Sewer pipes
Radiators
FAQ
Machining Cast Iron Buying FAQ
Cast iron is generally more brittle than steel, but it can be more resistant to wear in certain applications. Strength depends on the specific alloy and heat treatment.
Check for a rough surface, weight, and lack of a shiny coating. Cast iron pans are also prone to rust if not properly seasoned.
Yes, cast iron is magnetic, so a magnet will stick to it. This is a quick test to determine if a pan is made of cast iron.
Cast iron can be welded, but it's a challenging process due to its high carbon content. It often requires preheating and post-weld treatments.
Other Materials
Stainless Steel
DEK specializes in machining various types of stainless steel, providing you with top-notch custom stainless steel parts. We use advanced CNC lathes, 3-axis and 5-axis CNC milling machines and mature processing technology to make parts with tight tolerances up to +/- 0.005mm. We produce parts from simple to complex geometries for your project, and provide […]
More info about Stainless Steel
Aluminum
Aluminum is one of the most commonly used metals in the world because of its excellent strength-to-weight ratio, low cost, and recyclability.
More info about Aluminum
Alloy Steel
Alloy steel is a type of steel material whose properties are improved by adding other elements (such as chromium, nickel, molybdenum, vanadium, silicon and manganese) to the steel. DEK specializes in machining all types of alloy steel, providing you with high precision custom alloy steel parts. Our advanced equipment and machining technology allows us to […]
More info about Alloy Steel
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