Cold Drawn Steel Bars Round Square Rods System 1

Cold Drawn Steel Bars Round Square Rods

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 10000 m.t./month

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Cold Drawn Steel Bars Round Square Rods

Product Information:

1, Standard: GB, ASTM, AISI, SAE, DIN, JIS, EN

2, Produce Process: smelt iron - EAF smelt billet - ESR smelt billet - hot rolled or forged to get the steel round bar and plate

3, Heat Treatment: annealing, normalizing, tempering, quenching

4, Surface Treatment: Black, Polished, Galvanized the picture of the products

5, Quality Assurance: We accept third party inspection for all orders.

You can ask testing organizations such as SGS, BV, etc. to test our products before shipping.

Product Overviews:

Product Name	Typical Grades	Diameter(mm)	Standard adopted
Carbon Steel	20 (1020/S20C/C22)	Ø16-Ø300	GB/SAE/JIS/DIN
	40 (1040/S40C/C40)
	45 (1045/S45C/C45)
Bearing Steel	GCr9 (51100/SUJ1)	Ø12-Ø250
	GCr15 (52100/SUJ2/100Gr6)
	GCr9SiMn (A485-Gr.1/SUJ3)
Cr-Mo Steel	20Cr (5120/SCr420H/20Cr4)	Ø12-Ø250
	40Cr (5140/SCr440/41Cr4)
	42CrMo(4140/SCM440/42CrMo4)
Gear Steel	20CrNiMo	Ø16-Ø600
	20CrMn(5115/SMnC420/20MnCr5)
	20CrNiMo(8620/SNCM220/20CrMiMo2)

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Cold Drawn Steel Bars Round Square Rods

Our Advantages:

· Industry experience over 20 years.

· Shipment of goods -More than 70 countries worldwide.

· The most convenient transport and prompt delivery.

· Competitive price with best service.

· High technical production line with top quality products.

· High reputation based on best quality products.

With our experienced, enthusiastic and dynamic staffs, we assure to bring you the products with best quality, reasonable prices and good after-sales services under the motto: Friends First, Business After.

Communication, Experience, Expertise and Best efforts are our Promises to you.

Q:Can special steel be used in the production of musical instruments?: Yes, special steel can be used in the production of musical instruments. Special steel, also known as tool steel or high-performance steel, is a type of steel that has been specifically designed to possess certain properties that make it suitable for specific applications. These properties include high strength, durability, and resistance to wear and corrosion. In the case of musical instruments, special steel can be used in various components, such as strings, springs, keys, valves, and reeds. For example, piano strings are typically made from high-carbon steel, which provides the necessary strength and elasticity for producing the desired sound. Brass instruments like trumpets or saxophones have valves made from special steel alloys that have excellent corrosion resistance and can withstand the repetitive movements required for playing the instrument. In addition, special steel can also be used in the manufacturing of instrument parts like guitar frets. Frets are metal strips embedded along the fingerboard of a guitar, and they need to be made from a material that is durable, wear-resistant, and able to hold its shape over time. Special steel alloys, such as stainless steel or nickel-silver, are commonly used for this purpose. Overall, special steel offers a range of properties that can enhance the performance and longevity of musical instruments. By using this type of steel, manufacturers can create instruments that produce high-quality sound, are more resistant to wear and tear, and have a longer lifespan.

Q:How does special steel perform in food processing applications?: Special steel is widely used in food processing applications due to its unique properties and benefits. One of the key advantages of special steel in this industry is its exceptional corrosion resistance. Food processing involves exposure to various corrosive substances such as acids, alkalis, and salt solutions. Special steel, such as stainless steel, has a high chromium content that forms a protective oxide layer on its surface, preventing corrosion and ensuring the hygiene and safety of the processed food. Furthermore, special steel is highly durable and resistant to wear and tear. Food processing equipment often undergoes rigorous and repetitive operations, such as cutting, grinding, and mixing. Special steel's high strength and toughness allow it to withstand these demanding applications without compromising its performance or integrity. This durability ensures a longer lifespan for the equipment, minimizing downtime and maintenance costs. Special steel also offers excellent heat resistance, making it suitable for high-temperature food processing applications. It can withstand extreme temperatures without losing its mechanical properties, maintaining its structural integrity and preventing any contamination risks. Moreover, special steel is easy to clean and maintain, which is crucial in the food processing industry. Its smooth surface and non-porous nature prevent the accumulation of food particles, bacteria, and other contaminants, ensuring a high level of hygiene. Special steel is also resistant to chemical cleaning agents and can be easily sterilized, making it an ideal material for food processing equipment. In summary, special steel performs exceptionally well in food processing applications due to its corrosion resistance, durability, heat resistance, and ease of maintenance. Its properties contribute to the safety, efficiency, and longevity of food processing equipment, ensuring high-quality and hygienic food production.

Q:What are the different cutting tools used for machining special steel?: Some different cutting tools used for machining special steel include carbide inserts, high-speed steel (HSS) end mills, diamond-coated tools, and ceramic cutting tools. These tools are designed to withstand the high hardness and heat resistance of special steels, ensuring precise and efficient cutting operations.

Q:How does special steel contribute to the robotics industry?: The robotics industry benefits greatly from the use of special steel, which plays a vital role in its advancement. To begin with, special steel alloys possess extraordinary mechanical properties that make them ideal for manufacturing various robotic components. These alloys provide exceptional strength, durability, and resistance to wear and tear. Consequently, robots built with special steel can operate efficiently and reliably even in demanding environments like manufacturing plants or hazardous locations. Furthermore, special steel alloys offer outstanding heat resistance and thermal stability, a crucial characteristic in robotics. As robots often generate significant heat during operations, special steel components can withstand high temperatures without deforming or losing their structural integrity. This capability ensures that robots can perform optimally without the risk of mechanical failures caused by heat-related issues. Additionally, the corrosion resistance of special steel is highly advantageous for the robotics industry. Robots are increasingly being used in diverse applications such as underwater exploration, chemical handling, and outdoor environments. In such cases, exposure to moisture, chemicals, or harsh weather conditions can lead to corrosion and degradation of robot parts. By utilizing special steel alloys, manufacturers can significantly prolong the lifespan of robotic systems, reducing maintenance costs and enhancing overall reliability. Moreover, special steel's magnetic properties are invaluable in the development of magnetic sensors and actuators used in robotics. These sensors enable robots to detect and interact with their surroundings, improving their autonomy and adaptability. On the other hand, magnetic actuators enable precise control and movement in robotic systems. Special steel's magnetic properties contribute to the efficiency, accuracy, and responsiveness of these components, allowing robots to execute complex tasks with precision. In conclusion, special steel plays a vital role in the robotics industry by providing the necessary materials for manufacturing robust, high-performance, and versatile robotic systems. The use of special steel alloys enhances strength, durability, and the ability to withstand extreme conditions, ensuring the reliability, efficiency, and functionality of these machines.

Q:How is special steel used in the production of molds and dies?: Special steel is used in the production of molds and dies due to its exceptional durability, hardness, and resistance to wear and tear. This type of steel can withstand high temperatures and pressures, making it ideal for shaping and forming various materials. By using special steel, molds and dies can be manufactured with precision and reliability, ensuring the production of high-quality and accurate parts.

Q:How does special steel contribute to the manufacturing of hydraulic components?: Due to its unique properties and characteristics, special steel plays a vital role in the manufacturing of hydraulic components. These components, including cylinders, pumps, valves, and fittings, operate under extreme conditions and high pressure. Therefore, they require materials capable of withstanding such demanding environments. Special steel, also referred to as alloy steel, is specifically designed to possess exceptional strength, durability, and resistance to corrosion and wear. These qualities make it an ideal material for hydraulic components, as they must endure high pressures, continuous movement, and exposure to various fluids. The impressive strength of special steel allows hydraulic components to handle heavy loads and resist deformation, ensuring their long-term reliability and performance. Furthermore, the durability of special steel ensures that hydraulic components can withstand continuous stress and movement without experiencing premature failures. An additional significant advantage of special steel is its resistance to corrosion and wear. Hydraulic components often come into contact with different fluids, such as water, oil, and chemicals. The corrosion resistance of special steel protects the components from degradation and extends their lifespan. Moreover, its resistance to wear minimizes the damage caused by friction, resulting in smooth operation and reduced maintenance requirements. Furthermore, special steel is easily machinable and can be formed into complex shapes. This versatility enables the production of intricate hydraulic components with precise specifications. Manufacturers can tailor these components to meet the specific requirements of different hydraulic systems, ensuring optimal performance and efficiency. In conclusion, special steel significantly contributes to the manufacturing of hydraulic components by providing the necessary strength, durability, corrosion resistance, and wear resistance. Its unique properties enable the production of high-quality and reliable hydraulic components that can withstand demanding environments and ensure the smooth operation of hydraulic systems.

Q:What are the different methods of surface pickling for special steel?: Pickling special steel can be achieved through various methods. These methods comprise acid pickling, electrolytic pickling, mechanical pickling, and passivation. The most commonly employed method for pickling special steel is acid pickling. It entails immersing the steel in an acid solution, typically hydrochloric acid or sulfuric acid, to eliminate any surface impurities. By reacting with the steel's oxide layer, the acid dissolves it, leaving a pristine surface. Electrolytic pickling, on the other hand, involves passing an electric current through the steel submerged in an electrolyte solution. This creates a chemical reaction that removes surface impurities. Electrolytic pickling offers better control and enables a more consistent surface finish compared to acid pickling. Mechanical pickling utilizes abrasive materials like sandpaper or wire brushes to physically scrub the steel's surface and eliminate any scale or rust. It is often combined with acid or electrolytic pickling to achieve the desired surface finish. After pickling, special steel can undergo passivation to enhance its corrosion resistance. Passivation entails treating the steel with a chemical solution, typically nitric acid or citric acid, to form a protective oxide layer on the surface. This layer prevents further corrosion and enhances the steel's overall durability. It's worth mentioning that the specific method of surface pickling for special steel may vary depending on factors such as the type of steel, desired surface finish, and intended application. Therefore, it is essential to consult experts or adhere to the manufacturer's guidelines to ensure the appropriate pickling method is employed for special steel.

Q:What are the main advantages of using special steel in the medical field?: The main advantages of using special steel in the medical field are its exceptional strength, corrosion resistance, and biocompatibility. These properties make it suitable for manufacturing surgical instruments, implants, and medical devices that require high durability, hygiene, and compatibility with the human body.

Q:What are the different mechanical defects in special steel?: There are several mechanical defects that can occur in special steel, which can compromise its overall strength and performance. Some of the most common defects include: 1. Inclusions: Inclusions are foreign particles or impurities that are present in the steel. These can include oxides, sulfides, or other non-metallic materials. Inclusions can weaken the steel and reduce its ductility, making it more prone to cracking or failure. 2. Segregation: Segregation refers to the uneven distribution of alloying elements within the steel. This can lead to variations in hardness, strength, and other mechanical properties across the material. Segregation can create localized areas of weakness, increasing the likelihood of failure under stress. 3. Cracks: Cracks can occur in special steel due to a variety of factors, such as improper cooling, excessive heat, or high levels of stress. Cracks can significantly reduce the structural integrity of the steel and may propagate over time, leading to catastrophic failure. 4. Laminations: Laminations are thin layers or sheets of material that are formed during the manufacturing process. They can occur due to improper rolling or forging, or the presence of inclusions. Laminations can weaken the steel and lead to premature failure under load. 5. Decarburization: Decarburization is the loss of carbon from the surface of the steel, typically due to exposure to high temperatures or oxidation. This can result in a layer of softer, lower carbon steel on the surface, reducing the overall hardness and strength of the material. 6. Grain growth: Grain growth occurs when the individual crystals within the steel (grains) grow larger over time. This can happen due to high temperatures, prolonged exposure to stress, or improper heat treatment. Grain growth can reduce the strength and toughness of the steel, making it more prone to deformation or fracture. It is important to note that these mechanical defects can vary in severity and are often influenced by factors such as the manufacturing process, quality control measures, and the specific composition of the special steel. Regular inspection, testing, and adherence to proper handling and processing techniques are essential to minimize these defects and ensure the desired mechanical properties in special steel.

Q:How is shock-resistant alloy steel used in the production of impact-resistant parts?: Shock-resistant alloy steel is used in the production of impact-resistant parts due to its unique properties that make it highly resistant to deformation and fracture under high impact loads. The alloy steel's composition includes elements such as chromium, nickel, and molybdenum, which enhance its toughness and durability. These properties allow the alloy steel to absorb and disperse the energy generated during impact, effectively protecting the parts from damage. Additionally, the shock-resistant alloy steel's high strength enables it to withstand repeated impacts without losing its structural integrity, making it an ideal material for manufacturing impact-resistant parts used in various industries, including automotive, aerospace, and construction.

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