Advantages of iron castings and steel castings
Iron castings and steel castings are two common casting materials, and they have some advantages and differences in material properties and application fields.
1. Strength and hardness: Iron castings generally have higher hardness and strength, especially gray cast iron, which has better wear resistance and compression resistance. Steel castings have higher strength and hardness, especially alloy steel, which has higher strength and hardness than cast iron.
2. Toughness and impact resistance: Iron castings have low toughness, are prone to brittle fracture, and have poor impact resistance. Steel castings have good toughness and impact resistance, and are not prone to brittle fracture.
3. Processing performance: Iron castings have good casting performance and are easy to cast and shape, but the processing performance is poor and it is not easy to cut. The processing performance of steel castings is better, and it can be used for cutting, welding and other processes.
4. Corrosion resistance: Iron castings generally have good corrosion resistance, especially ductile iron, which has better corrosion resistance. Steel castings may be corroded in certain corrosive media.
5. Price: In general, the price of iron castings is relatively low, while the price of steel castings is relatively high.
In summary, iron castings have advantages in hardness and wear resistance, and are suitable for some occasions that require high hardness and wear resistance; while steel castings have advantages in strength, toughness and processing performance, and are suitable for some Where high strength and toughness are required. When choosing, it needs to be weighed according to specific usage requirements and economy.
