Carbon Steel Structural Black or Galvanized Round Bar

Carbon Steel Structural Black or Galvanized Round Bar System 1

Carbon Steel Structural Black or Galvanized Round Bar

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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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Specification

Type:

Carbon Steel

Shape:

Steel Round Bar

Carbon Steel Structural Black or Galvanized Round Bar

Product Information:

1.Description:Carbon Steel Rod/Carbon Steel Bar,carbon steel rod,carbon steel shaft,mild steel bar, mild steel shaft,ms bar

2.Specification:

ASTM 1005,1006,1008,1010,1015,1020,1025,1030,1035,1040,1045,1050,1055,1060,1065,1070,1080,1084,

1016,1022

DIN Ck10,Ck15,Ck22,Ck25,Ck30,Ck35,Ck40,Ck45,Ck50, 30Mn4,40Mn4

BS 040A04,095M15,045M10,080A40,045M10,080M50

Standard GB/T799,ASTM A29,A108,A321,A575,BS970,DIN1652,JIS G4051

3.Section shape:Round

4.LengthAs your required

5.Application:Carbon steel rod applies to chemical industry, shipping industry,

manufacturing industry,construction,decorate Industry,electric power,

pump shafts, sanitary wares,furniture handles,boiler,high temperature

resistant,low temperature resistant, corrosion resistant.

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)

Product Show:

Carbon Steel Structural Black or Galvanized Round Bar

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: How does special steel perform in abrasive wear conditions?: Special steel is designed specifically to excel in conditions of abrasive wear, thanks to its unique composition and manufacturing process. This makes it highly resistant to the harmful effects of abrasion. The inclusion of alloying elements like chromium, manganese, and molybdenum in special steel significantly boosts its hardness and toughness. These elements aid in the formation of carbides within the steel matrix, which serve as barriers against abrasion. The carbides effectively withstand the forces exerted by abrasive particles, preventing them from inflicting significant damage on the steel surface. Additionally, special steel undergoes specialized heat treatment processes like quenching and tempering, further enhancing its resistance to abrasive wear. These processes not only increase the steel's hardness but also enhance its overall toughness and durability. As a result, special steel can withstand high levels of abrasion without experiencing substantial wear or deterioration. Moreover, special steel exhibits excellent corrosion resistance, in addition to its exceptional mechanical properties. This is achieved by incorporating elements such as chromium, which creates a protective oxide layer on the steel surface. The oxide layer acts as a barrier, preventing corrosive substances from reaching the underlying steel and causing further harm. In conclusion, special steel performs exceptionally well in conditions of abrasive wear. Its distinctive composition, heat treatment processes, and corrosion resistance properties make it an ideal material for applications where abrasion is a major concern. Whether in mining, manufacturing, or other industries prone to abrasive wear, special steel offers superior performance and extended lifespan, ensuring optimal efficiency and cost-effectiveness.

Q: What are the different methods of preventing pitting corrosion in special steel?: Various methods exist to prevent pitting corrosion in special steel. The objective of these techniques is to safeguard the steel surface from the harmful effects of its environment and hinder the development of pits. Some commonly used methods include: 1. Passivation: Passivation entails treating the steel surface with a chemical solution or coating to generate a protective oxide layer. This layer functions as a barrier, obstructing the infiltration of corrosive agents and minimizing the risk of pitting corrosion. 2. Alloying: By incorporating specific alloying elements into the steel composition, its resistance to corrosion can be enhanced. Elements like chromium, nickel, and molybdenum are frequently utilized as they augment the steel's capacity to form a stable passive film and withstand pitting corrosion. 3. Cathodic protection: This technique involves either utilizing a sacrificial anode or employing an impressed current on the steel surface. By making the steel cathodic, it becomes less prone to corrosion as electrons are drawn away from it, thus preventing pit formation. 4. Coatings: Applying a protective coating to the steel surface can effectively deter pitting corrosion. Coatings such as paint, epoxy, or polymer-based materials serve as physical barriers, shielding the steel against corrosive agents. 5. Environmental control: Regulating the surrounding environment of the steel can also assist in preventing pitting corrosion. This encompasses measures like controlling temperature, humidity, and pH levels to ensure they remain within acceptable limits, thereby inhibiting the corrosion process. 6. Regular maintenance: Consistent inspection and maintenance of the steel surface are vital in preventing pitting corrosion. Any signs of damage or deterioration should be promptly addressed to prevent further corrosion and potential pitting. It should be noted that the choice of prevention method relies on various factors such as the specific steel composition, the corrosive environment, and the intended application. Proper selection and implementation of these methods can significantly enhance the resilience of special steel to pitting corrosion, guaranteeing its longevity and performance.

Q: How is stainless steel used in food processing?: Stainless steel is widely used in food processing due to its hygienic properties and corrosion resistance. It is commonly used to manufacture equipment such as tanks, pipes, and utensils, ensuring that the food remains uncontaminated and safe for consumption. Additionally, stainless steel is easy to clean and maintain, making it an ideal material for food processing environments where cleanliness and sanitation are crucial.

Q: What are the requirements for special steel used in mining equipment manufacturing?: The requirements for special steel used in mining equipment manufacturing are quite specific and demanding due to the harsh and challenging conditions associated with mining operations. Here are some key requirements: 1. High strength and toughness: Special steel used in mining equipment must possess excellent strength and toughness to withstand heavy loads, impact, and abrasion. This enables the equipment to withstand the demanding conditions encountered during mining operations. 2. Wear resistance: Mining equipment is exposed to abrasive materials such as rocks, ores, and minerals. Hence, the special steel used in their manufacturing needs to exhibit exceptional wear resistance properties to minimize wear and prolong the equipment's lifespan. 3. Corrosion resistance: Mining operations often take place in wet and corrosive environments, such as underground mines or near bodies of water. Special steel used in mining equipment should have good corrosion resistance to prevent rusting and degradation, ensuring the equipment's longevity and reliability. 4. Heat resistance: Mining equipment may generate significant heat during operation, especially in applications like drilling or cutting. Therefore, the special steel must have excellent heat resistance properties to withstand high temperatures without losing its strength or hardness. 5. Weldability and machinability: Special steel used in mining equipment should be easily weldable and machinable to facilitate the manufacturing process. This ensures that the equipment can be efficiently constructed, repaired, or modified as required. 6. Certification and compliance: Mining equipment manufacturers often require special steel to meet specific industry standards and certifications, such as ISO 9001, ASTM, or API. Compliance with these standards ensures that the steel used in the equipment meets the necessary quality and performance requirements. Overall, the requirements for special steel used in mining equipment manufacturing revolve around strength, toughness, wear resistance, corrosion resistance, heat resistance, weldability, machinability, and compliance with industry standards. Meeting these requirements ensures that the steel can withstand the demanding conditions of mining operations and contribute to the durability and performance of the equipment.

Q: What are the different methods of controlling the grain size in special steel?: Some of the different methods of controlling the grain size in special steel include thermomechanical processing, alloying elements, grain refinement techniques such as grain size control agents, and heat treatment methods like annealing and quenching.

Q: What are the different manufacturing processes used for special steel?: Special steel can be manufactured using various processes, depending on the desired properties and requirements for the final product. Some commonly used manufacturing processes for special steel include: 1. Electric Arc Furnace (EAF): Stainless steel, tool steel, and alloy steel can be produced by melting scrap metal in an electric arc furnace. This involves passing high electrical current through the electrodes to melt the metal. 2. Basic Oxygen Furnace (BOF): Carbon and low-alloy steels are commonly produced using the BOF process. It involves combining molten iron from a blast furnace with scrap metal and blowing oxygen through the mixture to remove impurities. 3. Vacuum Degassing: To eliminate impurities like hydrogen, nitrogen, and sulfur from steel, a vacuum environment is used in the vacuum degassing process. This is often employed to produce high-quality and ultra-clean special steels. 4. Continuous Casting: Molten steel is poured into a water-cooled mold in the continuous casting process, allowing it to solidify into a continuous strand. This helps in producing steel with consistent shape, size, and internal structure, and is commonly used for semi-finished products like billets, slabs, and blooms. 5. Powder Metallurgy: Special steels with specific properties, such as high strength, wear resistance, or corrosion resistance, can be produced using powder metallurgy. This process involves compacting metal powders into the desired shape and then sintering them at high temperatures to bond the particles together. 6. Heat Treatment: Modifying the microstructure and properties of special steels can be achieved through heat treatment processes like annealing, quenching, and tempering. These processes involve heating the steel to specific temperatures and then cooling it in a controlled manner to achieve desired hardness, toughness, and other mechanical properties. Each of these manufacturing processes has its own advantages and limitations, and the choice of process depends on factors such as the required type of steel, desired properties, and cost-effectiveness for a specific application.

Q: What are the different methods of strengthening special steel?: There are several methods of strengthening special steel, each with its own advantages and applications. One common method is through heat treatment, which involves heating the steel to a specific temperature and then cooling it rapidly or slowly, depending on the desired outcome. This can include processes like quenching, tempering, and annealing, which modify the microstructure of the steel to enhance its mechanical properties. Another method is alloying, where different elements are added to the steel to improve its strength. For example, adding elements like chromium, nickel, or molybdenum can increase the steel's resistance to corrosion, while elements like vanadium or tungsten can enhance its hardness and wear resistance. Cold working is another technique used to strengthen special steel, which involves deforming the steel at room temperature through processes like rolling, forging, or drawing. This helps to align the steel's crystalline structure, increasing its strength and hardness. Additionally, surface treatments can be applied to special steel to improve its strength. These can include techniques like carburizing, nitriding, or plating, which introduce a hardened layer or coating on the surface of the steel to enhance its wear resistance and durability. Each of these methods has its own advantages and can be tailored to suit specific applications and requirements. By combining various strengthening techniques, special steel can be customized to meet a wide range of industrial needs, making it a versatile and reliable material.

Q: Can special steel be used in the chemical processing equipment manufacturing industry?: Yes, special steel can be used in the chemical processing equipment manufacturing industry. Special steel is designed to withstand extreme temperatures, corrosion, and pressure, making it an ideal material for manufacturing chemical processing equipment where these factors are prevalent. Its high strength and resistance to chemical reactions make it suitable for various applications such as reactors, storage tanks, and pipelines in the industry.

Q: How is special steel used in the production of bearings for high-speed applications?: Special steel is used in the production of bearings for high-speed applications due to its unique properties such as high strength, hardness, and resistance to wear and fatigue. These bearings are subjected to intense loads and rotational speeds, and special steel helps ensure optimal performance and longevity. The use of special steel in bearing production allows for improved precision, reduced friction, and increased durability, ultimately enabling bearings to withstand the demanding requirements of high-speed applications.

Q: Can special steel be used in the packaging industry?: Yes, special steel can be used in the packaging industry. Special steel alloys, such as stainless steel, offer excellent durability, corrosion resistance, and strength, making them suitable for manufacturing packaging materials and machinery. They are commonly used in producing containers, drums, cans, and machinery components for packaging applications.

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