Tool Steel with Many Kinds and Sizes
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Product Description:
OKorder is offering Tool Steel at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
High Quality Bearing steel is used for manufacturing ball, roller bearing steel and rings. Bearing in work is under great pressure and friction, so have high demands bearing steel and hardness and resistance, and high elastic limit.
Bearing steels are used for ball and roller bearing applications and are comprised of low carbon steels and high carbon through harden able steel.
For example, bearing ring, steel rolling mill, machinery, 100Cr6 bearing steel ball is widely used in high-speed and low-noise bearing, bicycle, motorcycle, automobile, bags electronically.
Product Advantages:
OKorder's Tool Steel are durable, strong, and resist corrosion.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Corrosion resistance
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
Grade | bearing steel EN-31 |
Dimensions | Diameter: 20-280mm Length: 2000-5800mm |
Shape | Round Bar |
Type | High chromium bearing steel |
HBS | <220< span=""> |
Standard | AISI |
Technique | Hot Rolled |
Note of High Quality Bearing Steel
1. According to national standard (GB) for our products, if not, supply according to national standards (GB) or agreement.
2. We can not only provide electric furnace +LF+VD and electros lag re-melting (ESR) steel forging materials, but also forging products of piece, bar, etc.
3. Our company is equipped with roll equipment and can provide our customers with roll billets or finished.
4. The materials that we purchase are all accord with International General Standard; you could check it out on the Material Quality Sheet.
5. We are the creator of the “seven-step inspect method” in China.
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: How do we guarantee the quality of our products?
A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
Q3: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.
Images:
- Q: What are the advantages of using bearing steel round bars?
- Bearing steel round bars offer numerous benefits: 1. They possess remarkable strength and durability, making them ideal for applications that demand a robust and dependable material capable of withstanding heavy loads and high impact forces. 2. Their exceptional wear resistance allows them to endure constant friction and abrasion without experiencing excessive wear and tear. As a result, they are suitable for applications that involve repetitive rotational motion or sliding. 3. Bearing steel round bars are typically heat-treated to attain optimal hardness levels. This hardness enables them to maintain their shape and structural integrity even under extreme conditions like high temperatures or heavy loads. 4. These round bars exhibit excellent dimensional stability, meaning they retain their shape and size even when subjected to varying temperature and environmental conditions. This quality is essential in applications that require precise dimensions for proper functioning and performance. 5. Bearing steel round bars are often alloyed with elements like chromium and molybdenum to enhance their corrosion resistance. Consequently, they are well-suited for use in corrosive environments, such as the marine or chemical industries. 6. They are relatively easy to machine and process, allowing for efficient production and customization. This ease of shaping, cutting, and drilling makes them a cost-effective choice for various applications. In summary, bearing steel round bars offer high strength, excellent wear resistance, superior hardness, dimensional stability, corrosion resistance, and machinability. These qualities make them the preferred choice in industries such as automotive, aerospace, machinery, and construction, where reliability, durability, and performance are of utmost importance.
- Q: Can steel round bars be used in the oil and gas industry?
- Indeed, the oil and gas industry finds great utility in steel round bars. These bars find widespread application across various sectors within the industry, encompassing drilling, production, and transportation of oil and gas. Their exceptional durability and high strength render them well-suited for enduring the arduous and demanding conditions typically encountered in this sector. They play a crucial role in the construction of drilling equipment, such as drill collars and drill pipes, along with the production of valves, pumps, and other vital components. Moreover, steel round bars contribute to the fabrication of pipelines and offshore platforms, wherein they provide structural support and guarantee the integrity of the infrastructure. All in all, the oil and gas industry deems steel round bars indispensable due to their robustness, dependability, and capacity to withstand the challenging environments encountered within this sector.
- Q: What are the different types of steel round bar heat treatments?
- There are several different types of heat treatments for steel round bars, each designed to enhance specific properties of the material. Some of the most common heat treatments include annealing, normalizing, quenching and tempering, and case hardening. 1. Annealing: This heat treatment involves heating the steel round bar to a high temperature and then slowly cooling it to room temperature. Annealing helps to relieve internal stresses, improve machinability, and increase ductility and toughness. 2. Normalizing: Similar to annealing, normalizing also involves heating the steel round bar to a specific temperature. However, instead of slow cooling, the bar is allowed to cool in air. Normalizing helps to refine the grain structure, enhance mechanical properties, and improve machinability. 3. Quenching and Tempering: Quenching is a process in which the steel round bar is heated to a high temperature and then rapidly cooled by immersing it in a quenching medium, such as oil or water. This rapid cooling helps to achieve high hardness and strength in the material. After quenching, the steel is often tempered by reheating it to a lower temperature, which improves toughness and reduces brittleness. 4. Case Hardening: This heat treatment is used to increase the surface hardness of the steel round bar while maintaining a tough core. Case hardening involves heating the bar in the presence of carbon-rich substances, such as gas or liquid carburizing agents. This results in a hardened outer layer, known as the case, while the core remains relatively softer and more ductile. These are just a few examples of the various heat treatments that can be applied to steel round bars. The specific heat treatment used depends on the desired properties and applications of the steel, and it is important to consult with metallurgical experts to ensure the most appropriate treatment is chosen for each specific steel round bar.
- Q: What are the different types of tests performed on steel round bars for quality control?
- There are several types of tests performed on steel round bars for quality control purposes. These tests help to ensure that the steel bars meet the required standards and specifications. Some of the common tests conducted on steel round bars include: 1. Tensile Test: This test evaluates the tensile strength, yield strength, and elongation properties of the steel bars. It involves applying a pulling force to the bar until it breaks, measuring the maximum force the bar can withstand, and determining the bar's ability to stretch without fracturing. 2. Hardness Test: The hardness test measures the resistance of the steel bar to indentation or scratching. It provides an indication of the bar's strength and durability. Common hardness tests include Rockwell, Brinell, and Vickers tests. 3. Chemical Composition Analysis: This test determines the chemical composition of the steel round bars, including the percentage of various elements such as carbon, manganese, sulfur, phosphorus, and others. It ensures that the bars meet the specified chemical composition requirements. 4. Ultrasonic Testing: Ultrasonic testing uses high-frequency sound waves to detect any internal defects or discontinuities within the steel bars. This non-destructive test helps identify cracks, voids, or other defects that may affect the bar's structural integrity. 5. Dimensional Inspection: This test ensures that the steel round bars meet the required dimensional tolerances, including diameter, length, and straightness. It involves using precision measuring instruments such as calipers, micrometers, and gauges to verify the bar's dimensions. 6. Surface Quality Examination: This test inspects the surface condition of the steel bars for any defects, such as cracks, pits, scratches, or other surface irregularities. It is crucial to ensure that the bars have a smooth and defect-free surface for proper functionality and safety. 7. Microstructure Analysis: Microstructure analysis involves examining the steel bar's internal structure under a microscope. It helps determine the grain size, inclusion content, and overall microstructural integrity of the bars. This analysis provides insights into the bars' mechanical properties and their ability to withstand various loads and stresses. By performing these tests, manufacturers can ensure that the steel round bars meet the required quality standards and are suitable for their intended applications.
- Q: What is the difference between a smooth and a deformed steel round bar?
- A smooth steel round bar is characterized by its consistently even surface, free from any visible imperfections or deformities. It is typically produced using the hot rolling technique, which involves heating a steel billet and passing it through a series of rolling mills to achieve the desired shape and surface finish. Smooth steel round bars are commonly employed in applications where aesthetics and surface quality are of utmost importance, such as architectural designs or decorative metalwork. Contrarily, a deformed steel round bar possesses intentional deformations or patterns on its surface. These deformations can take various forms, including ridges, ribs, or indentations. The purpose of incorporating deformations on the surface of a steel round bar is to enhance its ability to bond with concrete or other materials. The irregular surface of a deformed bar provides increased friction and better adhesion, thereby improving the structural integrity of reinforced concrete structures. Deformed steel round bars find primary use in construction projects, particularly in reinforced concrete structures like columns, beams, and slabs. The deformations on the bar's surface serve to prevent slippage between the steel and concrete, ensuring a stronger bond and enhancing the overall stability and durability of the structure. To summarize, the key distinction between a smooth and a deformed steel round bar lies in their surface characteristics and intended applications. Smooth bars possess a uniform and smooth surface, making them suitable for applications that prioritize aesthetics and surface quality. Deformed bars, on the other hand, possess intentional deformations to enhance bonding with concrete, making them well-suited for construction projects that require reinforced concrete structures.
- Q: What are the different types of tests performed on steel round bars for quality control?
- There are several types of tests performed on steel round bars for quality control purposes. These tests help to ensure that the steel bars meet the required standards and specifications. Some of the common tests conducted on steel round bars include: 1. Tensile Test: This test evaluates the tensile strength, yield strength, and elongation properties of the steel bars. It involves applying a pulling force to the bar until it breaks, measuring the maximum force the bar can withstand, and determining the bar's ability to stretch without fracturing. 2. Hardness Test: The hardness test measures the resistance of the steel bar to indentation or scratching. It provides an indication of the bar's strength and durability. Common hardness tests include Rockwell, Brinell, and Vickers tests. 3. Chemical Composition Analysis: This test determines the chemical composition of the steel round bars, including the percentage of various elements such as carbon, manganese, sulfur, phosphorus, and others. It ensures that the bars meet the specified chemical composition requirements. 4. Ultrasonic Testing: Ultrasonic testing uses high-frequency sound waves to detect any internal defects or discontinuities within the steel bars. This non-destructive test helps identify cracks, voids, or other defects that may affect the bar's structural integrity. 5. Dimensional Inspection: This test ensures that the steel round bars meet the required dimensional tolerances, including diameter, length, and straightness. It involves using precision measuring instruments such as calipers, micrometers, and gauges to verify the bar's dimensions. 6. Surface Quality Examination: This test inspects the surface condition of the steel bars for any defects, such as cracks, pits, scratches, or other surface irregularities. It is crucial to ensure that the bars have a smooth and defect-free surface for proper functionality and safety. 7. Microstructure Analysis: Microstructure analysis involves examining the steel bar's internal structure under a microscope. It helps determine the grain size, inclusion content, and overall microstructural integrity of the bars. This analysis provides insights into the bars' mechanical properties and their ability to withstand various loads and stresses. By performing these tests, manufacturers can ensure that the steel round bars meet the required quality standards and are suitable for their intended applications.
- Q: How are steel round bars made?
- Steel round bars are made through a process called hot rolling. It involves heating a large rectangular steel billet until it reaches a malleable temperature. The heated billet is then passed through a series of rolling stands, which progressively reduce its thickness and shape it into a round bar. The first step in the hot rolling process is heating the billet in a furnace at extremely high temperatures, typically around 1200 to 1300 degrees Celsius. This heat makes the steel more pliable and easier to shape. Once the billet is heated, it is fed into a rolling mill. The mill consists of a series of rollers that gradually reduce the thickness and elongate the billet. As the billet passes through each set of rollers, it is squeezed and stretched, gradually forming a round shape. The number of passes through the rolling mill depends on the desired final size and shape of the round bar. During the rolling process, the steel bar is also cooled to prevent overheating and ensure proper metallurgical properties. This can be done through a water spray or air cooling system. After the bar has been shaped and cooled, it is cut into desired lengths. The cut bars are then subjected to further processes such as straightening, surface treatment, and quality testing. These additional steps ensure that the steel round bars meet the required specifications and standards. Overall, the process of making steel round bars involves heating a steel billet, passing it through a series of rolling stands to shape it into a round bar, cooling it, and then cutting it into desired lengths. This process allows for the production of strong and durable round bars that find various applications in industries such as construction, manufacturing, and engineering.
- Q: Can steel round bars be used for making mining equipment?
- Yes, steel round bars can be used for making mining equipment. The strength and durability of steel make it a suitable material for manufacturing various mining equipment such as drill rods, excavator buckets, and support structures due to its high load-bearing capacity and resistance to wear and tear.
- Q: 1, three, two, steel, wire rod, round steel what is the difference?
- Steel is commonly known as hot rolled ribbed bar, belonging to the small steel steel, mainly used for steel reinforced concrete structure frame. In use, some mechanical strength, bending deformation property and welding performance are required. The raw steel billet for the production of threaded steel is carbon structural steel or low alloy structural steel which is treated by calm melting, and the finished steel bar is delivered in hot rolling forming, normalizing or hot rolling state.
- Q: What are the different types of steel round bar coatings used in the marine industry?
- There are several different types of steel round bar coatings that are commonly used in the marine industry. These coatings are specifically designed to protect the steel from corrosion and other environmental factors that are prevalent in marine environments. Some of the most common types of steel round bar coatings used in the marine industry include: 1. Galvanized Coating: Galvanized steel round bars are coated with a layer of zinc. This coating provides excellent protection against corrosion and is highly durable. Galvanized coatings are commonly used in marine applications where the steel is exposed to saltwater and other corrosive elements. 2. Epoxy Coating: Epoxy coatings are widely used in the marine industry due to their excellent corrosion resistance and adhesion properties. These coatings are typically applied in multiple layers to ensure maximum protection. Epoxy coatings are effective in protecting steel round bars from saltwater, chemicals, and abrasion. 3. Polyurethane Coating: Polyurethane coatings are known for their exceptional resistance to UV rays, chemicals, and abrasion. They provide a high level of protection against corrosion in marine environments. Polyurethane coatings are commonly used in offshore structures and marine equipment where durability and long-term performance are crucial. 4. Organic Coatings: Organic coatings, such as acrylics and vinyls, are often used in the marine industry for their ability to provide a barrier against corrosion and environmental factors. These coatings are flexible, easy to apply, and resistant to UV radiation. They are commonly used in marine applications where aesthetics and color retention are important. 5. Ceramic Coating: Ceramic coatings offer exceptional resistance to high temperatures, chemicals, and abrasion. They provide a hard, protective layer on steel round bars, making them suitable for marine applications that involve high heat and harsh environments. It is important to note that the selection of the appropriate steel round bar coating depends on the specific requirements of the marine application. Factors such as the type of exposure, expected service life, and budget should be taken into consideration when choosing the most suitable coating for a particular marine project.
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Tool Steel with Many Kinds and Sizes
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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