USA | G1/G1A No.30 | No.35 | G2/G2A | 60-40-18 | 65-45-12 | 70-50-05 | 80-55-06 |
China | HT200 | HT250 | HT300 | QT400-18 | QT450-10 | QT500-7 | QT600-3 |
EU | EN-GJL-200 | EN-GJL-250 | EN-GJL-300 | EN-GJS-400-18 | EN-GJS-450-15 | EN-GJS-500-7 | EN-GJS-600-3 |
Germany | GG20 | GG25 | GG30 | GGG40 | GGG450 | GGG50 | GGG60 |
Japan | FC200 | FC250 | FC300 | FCD400 | FCD450 | FCD500 | FCD600 |
Ductile iron contains nodular graphite in a matrix of ferrite with little amounts of pearlite
The specification conforms to ASTM A536 & EN 16482.
Air & Hydraulic Fluid Technology
Compressor & vacuum pump rotors, cylinder pistons,glands,end caps, cylinder block, gears, spools.
Transmission Industry
Gears, pulleys,sprockets,coupling hubs, rollers.
Glass Mold Industry
Glass mould, plungers
Cast Iron Round Bars possess several distinctive features that make them suitable for various applications. Here are some notable features of cast iron round bars:
1. Material Composition: Cast iron round bars are primarily composed of iron (Fe) along with varying amounts of carbon (C) and other alloying elements such as silicon (Si), manganese (Mn), and small traces of sulfur (S) and phosphorus (P). The specific composition can vary depending on the desired properties and grade of cast iron.
2. Brittle Nature: Cast iron round bars exhibit a brittle nature compared to other materials like steel. This means that they are more prone to fracture under high stress or impact loads. However, this brittleness can be advantageous in certain applications where high rigidity and resistance to deformation are required.
3. Versatility of Grades: Cast iron round bars are available in different grades, each offering unique properties and characteristics. Some common grades include gray iron (standard gray cast iron), ductile iron (also known as nodular or spheroidal graphite iron), and malleable iron. These different grades provide options for specific applications, such as strength, ductility, wear resistance, or heat resistance requirements.
4. Superior Wear Resistance: Cast iron round bars are known for their excellent wear resistance. The graphite particles present in the microstructure of cast iron act as solid lubricants, reducing friction and wear. This property makes cast iron round bars suitable for applications involving abrasive environments or high-stress conditions, where components need to withstand wear and maintain their shape.
5. Good Heat Retention: Cast iron has a high heat retention capacity, allowing it to absorb and retain heat effectively. Cast iron round bars can distribute heat evenly, making them suitable for applications that require heat retention or uniform heat distribution, such as in cooking equipment or heating elements.
6. Excellent Damping Capacity: Cast iron's unique microstructure provides it with exceptional damping capacity. It can effectively absorb vibrations, reducing noise levels and minimizing the risk of component failure due to excessive vibrations. This damping capability makes cast iron round bars suitable for applications where vibration control is crucial, such as in machine bases, engine blocks, and equipment foundations.
7. Machinability: Cast iron round bars are generally known for their good machinability. They can be easily shaped, drilled, and machined using standard cutting tools and techniques. This feature allows for the production of intricate and precise components, making cast iron round bars suitable for various machining applications.
8. Stability under Temperature Changes: Cast iron round bars exhibit good dimensional stability even when subjected to temperature variations. They have a low coefficient of thermal expansion, meaning they are less prone to distortion or warping due to temperature changes. This stability ensures that components made from cast iron round bars maintain their shape and dimensions over a wide temperature range.
9. Corrosion Resistance: While some grades of cast iron are susceptible to corrosion, certain types, such as ductile iron and alloyed cast iron, offer good corrosion resistance. These corrosion-resistant grades make cast iron round bars suitable for applications exposed to moisture, chemicals, or corrosive environments.
10. Availability and Cost-effectiveness: Cast iron round bars are widely available in the market due to the established manufacturing industry for cast iron products. Their relatively lower cost compared to some other materials with similar properties makes them a cost-effective choice for various applications.
It's important to note that the specific features and properties of cast iron round bars can vary depending on the grade, manufacturing process, and heat treatment. Consider consulting with suppliers or manufacturers to ensure you select the appropriate grade and size of cast iron round bar that aligns with your specific application requirements.
Cast iron round bars offer several advantages that make them a preferred choice in various applications.
1. Strength and Durability: Cast iron round bars are known for their exceptional strength and durability. They have high tensile and compressive strength, making them capable of withstanding heavy loads and harsh operating conditions. This strength and durability make cast iron round bars suitable for applications that require robust and long-lasting components.
2. Wear Resistance: Cast iron has excellent wear resistance, making cast iron round bars ideal for applications where abrasion and wear are significant factors. They can withstand friction, impact, and sliding wear, making them suitable for use in machinery parts, gears, bushings, and other components subjected to high-stress and abrasive environments.
3. Heat Resistance: Cast iron round bars have good heat resistance, allowing them to withstand high temperatures without losing their structural integrity. This property makes them suitable for applications involving high-temperature environments, such as foundry equipment, furnace components, and heat treatment tools.
4. Machinability: Cast iron round bars are known for their excellent machinability. They can be easily cut, drilled, and shaped using standard machining processes. This property simplifies the manufacturing process and allows for the production of complex and precise components.
5. Vibration Damping: Cast iron has superior vibration damping properties compared to other materials. It can effectively absorb and dissipate vibrations, reducing noise and minimizing the risk of component damage caused by vibrations. This property makes cast iron round bars suitable for applications where vibration control is crucial, such as machine bases, engine blocks, and equipment foundations.
6. Cost-effectiveness: Cast iron is relatively cost-effective compared to some other materials with similar properties. It offers a good balance between performance and cost, making it an attractive option for various applications where strength, durability, and wear resistance are required.
7. Versatility: Cast iron round bars come in various grades and sizes, allowing for versatility in applications. They can be found in different forms, such as gray iron, ductile iron, and malleable iron, each with its own specific properties and advantages. This versatility makes cast iron round bars suitable for a wide range of industries and applications, including automotive, construction, machinery, and more.
8. Corrosion Resistance: Certain types of cast iron, such as ductile iron and some alloyed varieties, exhibit good corrosion resistance. This makes cast iron round bars suitable for applications where they may be exposed to moisture, chemicals, or corrosive environments. They can be used in components for marine applications, wastewater treatment systems, and chemical processing equipment.
9. Thermal Conductivity: Cast iron has relatively high thermal conductivity compared to other metals. This property allows for efficient heat transfer, making cast iron round bars suitable for applications where thermal management is important. They can be used in heat exchangers, molds for metal casting, and other heat transfer applications.
10. Stability and Dimensional Accuracy: Cast iron round bars have excellent dimensional stability, meaning they are less prone to distortion or warping under load or temperature changes. This stability ensures consistent performance and dimensional accuracy of components made from cast iron round bars.
11. Machined Surface Finish: Cast iron round bars can achieve a smooth and aesthetically pleasing surface finish when machined. This makes them suitable for applications where appearance and surface quality are important, such as decorative elements, architectural components, and ornamental structures.
12. Recyclability: Cast iron is highly recyclable, which is beneficial from both environmental and economic perspectives. Cast iron round bars can be melted down and reprocessed, reducing the need for new raw materials and minimizing waste.
13. Availability and Established Industry: Cast iron is a widely used material with an established manufacturing industry. This means that cast iron round bars are readily available from a variety of suppliers and manufacturers. The availability of cast iron round bars ensures a stable supply chain and makes them a reliable choice for many applications.
14. Fire Resistance: Cast iron has good fire resistance properties, making it suitable for applications where fire safety is a concern. It can withstand high temperatures without compromising its structural integrity, making it useful in fire doors, fire hydrants, and other fire-resistant components.
15. Aesthetic Appeal: Cast iron round bars can offer a distinct and classic aesthetic appeal. Their appearance is often associated with traditional and vintage designs, making them popular in architectural and decorative applications.
These advantages make cast iron round bars a versatile and reliable choice for a wide range of applications across industries. However, it's important to consider the specific requirements of your application and consult with experts to ensure the suitability of cast iron round bars for your specific needs.
Cast iron round bars come in various types, each with its own specific composition and properties. Here are some common types of cast iron round bars:
1. Gray Cast Iron: Gray cast iron is the most common type of cast iron. It has a grayish appearance due to the presence of graphite flakes in its microstructure. Gray cast iron offers good machinability, excellent wear resistance, and damping properties, making it suitable for applications such as engine blocks, pipe fittings, and machinery components.
2. Ductile Cast Iron (Nodular Cast Iron): Ductile cast iron, also known as nodular cast iron or spheroidal graphite iron, has spherical graphite nodules in its microstructure, which provide increased ductility and toughness compared to gray cast iron. It offers good strength, impact resistance, and wear resistance, making it suitable for applications such as crankshafts, gears, and heavy-duty machinery components.
3. White Cast Iron: White cast iron is characterized by its white, hard, and brittle structure. It has a high carbon content and lacks graphite. White cast iron exhibits excellent hardness, abrasion resistance, and high wear resistance, making it suitable for applications such as rolls for crushing or grinding operations, chisel tips, and wear-resistant parts.
4. Malleable Cast Iron: Malleable cast iron is produced by heat treating white cast iron or nodular cast iron, resulting in graphite clusters in a ferrite or pearlite matrix. It combines the strength and toughness of nodular cast iron with some degree of ductility and machinability. Malleable cast iron is used in applications such as pipe fittings, automotive components, and general machinery parts.
5. Compacted Graphite Iron (CGI): Compacted graphite iron is a modern variation of cast iron that features a unique graphite microstructure, with compacted graphite flakes instead of the traditional lamellar (flake) graphite. CGI offers a balance of strength, thermal conductivity, and damping properties. It is used in applications requiring high strength and thermal resistance, such as cylinder blocks, exhaust manifolds, and heavy-duty machinery components.
6. Alloyed Cast Iron: Alloyed cast iron incorporates additional alloying elements such as chromium, nickel, molybdenum, or others to enhance specific properties. These alloyed cast irons can exhibit improved corrosion resistance, high-temperature strength, or specific mechanical properties tailored for particular applications.
7. High-Chromium Cast Iron: High-chromium cast iron, also known as high-chrome white iron, contains a significant amount of chromium, which imparts excellent wear resistance and high hardness. It is commonly used in applications requiring resistance to abrasion and impact, such as mining equipment, crusher parts, and wear-resistant components.
8. Austempered Ductile Iron (ADI): Austempered ductile iron is a heat-treated form of ductile cast iron that undergoes an austempering process. This treatment results in a microstructure known as ausferrite, which provides a combination of high strength, toughness, and wear resistance. ADI is used in applications requiring high performance under dynamic loading conditions, such as gears, shafts, and heavy machinery components.
9. Vermicular Cast Iron: Vermicular cast iron, also known as vermicular graphite cast iron or compacted graphite iron, has a unique microstructure with interconnected graphite flakes in a vermicular or worm-like shape. This type of cast iron exhibits improved strength, ductility, and thermal conductivity compared to gray cast iron. Vermicular cast iron is used in applications such as engine blocks, cylinder heads, and other automotive components.
10. Ni-Resist Cast Iron: Ni-Resist cast iron is a group of alloys that contain significant amounts of nickel and chromium. This type of cast iron offers excellent corrosion resistance, high-temperature strength, and thermal expansion properties. It is commonly used in applications such as exhaust manifolds, pump components, and valve bodies.
These are 10 types of cast iron round bars that vary in their composition and properties. The selection of the appropriate type depends on the specific requirements of the application, including factors such as strength, wear resistance, corrosion resistance, and more.
The price range of cast iron round bars can vary depending on various factors such as the grade of cast iron, size, quantity, market conditions, and supplier. It's important to note that pricing information can change over time due to market fluctuations and other factors.
The price of cast iron round bars is typically quoted per unit of weight, such as per kilogram (kg) or per pound (lb). The specific price within the range will depend on the factors mentioned above. Here is a rough estimate of the price ranges for cast iron round bars:
1. Gray Iron Round Bars: The price range for gray iron round bars is typically lower compared to other grades of cast iron. The approximate price range can vary from $0.80 to $1.50 per pound or $1.76 to $3.31 per kilogram.
2. Ductile Iron Round Bars: Ductile iron round bars, also known as nodular or spheroidal graphite iron, usually have a higher price range compared to gray iron. The approximate price range can range from $1.20 to $2.50 per pound or $2.65 to $5.51 per kilogram.
3. Alloyed Cast Iron Round Bars: Cast iron round bars with alloying elements, such as chromium, nickel, or molybdenum, tend to have a higher price range due to their enhanced properties. The price range for alloyed cast iron round bars can vary widely depending on the specific alloy composition and market conditions. It can range from $2.00 to $5.00 per pound or $4.41 to $11.02 per kilogram or even higher for specialty alloys.
The price range of different cast iron round bars in China can vary based on factors such as the type of cast iron, dimensions, quantity, quality, and market conditions. It's important to note that prices can fluctuate over time due to various factors, including raw material costs, production capacity, and economic conditions. Additionally, prices may vary among different suppliers and regions within China. While I can provide a general indication of the price range, it's recommended to contact specific suppliers or manufacturers in China for accurate and up-to-date pricing information.
As a rough estimate, here is a general price range for cast iron round bars in China:
1. Gray Cast Iron: The price range for gray cast iron round bars in China can start from around $500 to $1000 per metric ton, depending on the dimensions, quality, and quantity ordered.
2. Ductile Cast Iron (Nodular Cast Iron): Ductile cast iron round bars typically have a higher price compared to gray cast iron due to their enhanced properties. The price range for ductile cast iron round bars in China can start from around $800 to $1500 per metric ton, depending on various factors.
3. White Cast Iron: White cast iron, known for its hardness and wear resistance, tends to be priced higher than gray or ductile cast iron. The price range for white cast iron round bars in China can start from around $1000 to $2000 per metric ton, depending on the specific grade and dimensions.
4. Malleable Cast Iron: Malleable cast iron round bars are typically priced similarly to ductile cast iron, with prices ranging from around $800 to $1500 per metric ton in China.
5. Alloyed Cast Iron: Prices for alloyed cast iron round bars in China can vary widely depending on the specific alloy composition, dimensions, and quality. The price range for alloyed cast iron round bars can start from around $1000 to $3000 or more per metric ton.
It's important to note that these price ranges are approximate and can vary significantly. To obtain accurate pricing information for specific cast iron round bars in China, it is recommended to contact local suppliers, manufacturers, or distributors who specialize in cast iron products. They can provide you with detailed and up-to-date pricing based on your specific requirements.