GG30 is a common grade of gray cast iron that is known for its specific composition and properties. Here are some of the key features of GG30 gray cast iron:

Features of GG30 Gray Cast Iron

1. Chemical Composition:

GG30 gray cast iron typically contains around 3.0% carbon, 2.0% silicon, 0.8% manganese, and trace amounts of sulfur and phosphorus.

2. Graphite Structure:

GG30 belongs to the group of gray cast irons, characterized by the presence of graphite flakes in the microstructure.

The graphite provides lubrication and dampens vibration, enhancing machinability.

3. Mechanical Properties:

Tensile Strength: GG30 gray cast iron has a moderate tensile strength, typically ranging from 200 to 300 MPa.

Yield Strength: GG30 has a yield strength of around 200 MPa.

Hardness: The hardness of GG30 gray cast iron is typically in the range of 150-220 HB.

4. Wear Resistance:

GG30 offers good wear resistance properties due to the graphite flakes acting as solid lubricants, reducing friction and wear.

5. Damping Capacity:

Gray cast iron, including GG30, has excellent damping capacity, which makes it suitable for applications where vibration absorption is important.

6. Machinability:

GG30 is known for its good machinability, allowing for easy cutting and shaping processes.

7. Castability:

Gray cast iron, including GG30, exhibits excellent castability, allowing for intricate shapes and complex geometries to be easily cast.

8. Heat Conductivity:

GG30 gray cast iron has good heat conductivity, making it suitable for applications where heat dissipation is important.

9. Corrosion Resistance:

Gray cast iron, including GG30, is susceptible to corrosion, especially in aggressive environments. Proper coatings or surface treatments may be required for improved corrosion resistance.

10. Applications:

GG30 gray cast iron is commonly used in various applications, including machine frames, cylinder heads, pump housings, valve bodies, and other components where its properties are beneficial.

11. Standardization:

GG30 conforms to various international standards such as EN-GJL-300 in European standards or ISO 185 in the International Organization for Standardization.

Understanding the features and properties of GG30 gray cast iron is essential for selecting the right material for specific engineering applications based on its mechanical, thermal, and wear characteristics.

Price range of GG30 gray cast iron

The price of GG30 gray cast iron typically depends on factors like the supplier, quantity ordered, quality standards, and current market conditions. However, I can offer a general idea of the price range for GG30 gray cast iron based on historical data and industry trends:

Estimated Price Range for GG30 Gray Cast Iron:

Price Per Kilogram: $1.50 - $2.50

Estimated Price Range for GG30 Gray Cast Iron in China:

Price Per Kilogram: ¥10 - ¥20

Factors Influencing Price:

1. Quantity: Bulk orders may lead to lower prices due to economies of scale.

2. Supplier: Different suppliers may offer varying prices based on factors like quality, location, and additional services.

3. Quality Standards: GG30 gray cast iron produced to higher quality standards may be priced at a premium.

4. Market Conditions: Fluctuations in raw material costs, demand-supply dynamics, and economic conditions can impact prices.

5. Processing and Finishing: Additional processes like machining, heat treatment, or surface finishing may affect the final price.

6. Customization: Tailored specifications or unique requirements may lead to higher costs.

Note:

Prices can vary significantly based on the factors mentioned above and may have changed since my last update. For the most current and accurate pricing information, it is advisable to contact local suppliers, foundries, or distributors directly to obtain quotes based on your specific needs and quantities.

For the most up-to-date pricing information and to get a precise quote for GG30 gray cast iron, it is recommended to reach out to suppliers or manufacturers in your region or consult industry resources for the latest market rates.