The Difference Between Steel Parts and Cast Parts

1. Different manufacturing processes

Casting is made by melting metal and pouring it into a pre-designed mold, and then cooling it to form the required parts. For steel parts, metal materials are processed into the required shape by processing hot-rolled steel, cold-drawn steel, forging, etc.

2. Different material properties

Castings usually have defects such as pores, inclusions, shrinkage cavities, etc., which have poor strength and toughness and are prone to brittle fracture. However, steel parts do not have these defects and usually have better strength and toughness.

3. Different application scopes

Castings are widely used in automobile manufacturing, aerospace, machinery manufacturing and other fields, and are especially suitable for mass production; while steel parts are widely used in high-speed trains, machine tools, ships, heavy machinery and other fields, and have higher requirements for strength and toughness.

4. Different processing difficulties

Compared with steel parts, castings are less difficult to process. Because castings have a certain degree of plasticity, they can be processed by CNC machine tools, grinders and other equipment; while steel parts require high-precision processing equipment due to their higher material hardness, and the processing difficulty and cost are higher than castings.