GG20 gray cast iron, also known as grey iron, is a widely used material in various industrial applications due to its favorable properties. Here are some key features and characteristics of GG20 gray cast iron:

1. Graphite Structure: GG20 gray cast iron has a graphite microstructure, which gives it its characteristic gray color. The graphite flakes are dispersed throughout the iron matrix.

2. Good Damping Capacity: GG20 offers excellent damping capacity, making it suitable for applications where vibration absorption is important, such as in machine tool beds and automotive components.

3. Machinability: Gray cast iron is relatively easy to machine compared to other materials like steel, thanks to its graphite structure which acts as a lubricant during machining.

4. Low Melting Point: Gray cast iron has a lower melting point compared to steel, making it easier to cast into complex shapes.

5. High Thermal Conductivity: GG20 gray cast iron has good thermal conductivity, allowing it to dissipate heat efficiently. This property is beneficial in applications where heat transfer is important.

6. Wear Resistance: Gray cast iron exhibits good wear resistance, making it suitable for components subjected to abrasive wear, such as brake drums, cylinder liners, and machine tool components.

7. Cost-Effective: Gray cast iron is relatively cost-effective compared to some other materials, which makes it a popular choice for a wide range of applications.

8. Brittle: One of the limitations of gray cast iron is its brittleness compared to other materials like ductile iron or steel. This can make it less suitable for applications that require high impact resistance.

9. Corrosion Resistance: While gray cast iron has good resistance to corrosion in certain environments, it can be susceptible to rusting if not properly protected.

10. Versatility: GG20 gray cast iron is versatile and finds applications in various industries including automotive, machinery, construction, and more due to its combination of properties.

When considering the use of GG20 gray cast iron, it's important to evaluate its properties in relation to the specific requirements of the application to ensure optimal performance.

Price range for GG20 gray cast iron

The price of GG20 gray cast iron can vary depending on factors such as market conditions, quantity purchased, supplier location, and additional processing or finishing requirements. Here is a general price range for GG20 gray cast iron:

1. Raw Material Cost: The price of GG20 gray cast iron as a raw material can range from $0.80 to $1.20 per pound or $1,760 to $2,640 per metric ton.

2. Finished Products: The price of finished products made from GG20 gray cast iron, such as castings, components, or parts, can vary widely based on size, complexity, and finishing processes. Prices for finished products can range from a few dollars to several hundred dollars per piece, depending on the item.

3. Custom Orders: For custom orders or specialized applications that require specific metallurgical properties or unique shapes, the price of GG20 gray cast iron components may be higher due to additional processing or customization.

Price range for GG20 gray cast iron in China

Raw Material Cost: The price of GG20 gray cast iron as a raw material in China can range from approximately 5,000 to 8,000 Chinese Yuan per metric ton.

It's important to note that these price ranges are approximate and may have changed since my last update. For the most current and accurate pricing information, it is recommended to contact metal suppliers, foundries, or manufacturers specializing in gray cast iron products. They can provide you with detailed quotes based on your specific requirements and order quantities.