Brightly Round Bar

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Product Description:

Specifications of Bearing Steel Round Bar

Grade	AISI 52100, ASTM E52100, DIN 1.3505,JIS SUJ2, GCr15
Dimensions	Diameter: 30-60mm Length: 2000-13000mm or as required
Shape	Round Bar
Type	Alloy Steel Bar
Delivery Condition	Black Surface
Material	Bearing Steel
Technique	Hot Rolled

Usage and Applications of Bearing Steel Round Bar

Bearing steels are used for ball and roller bearing applications and are comprised of low carbon steels and high carbon through harden able steel.

Usage of Bearing Steel

First the famous 1C-1.5Cr steel from which the majority of bearings are made. Its structure is apparently well-understood and the focus is on purity in order to avoid inclusions which initiate fatigue during rolling contact. Then there is the M50 steel and its variants, from which bearings which serve at slightly higher temperatures in aeroengines are manufactured, based on secondary-hardened martensite.

Tapered roller bearing are generally used to support combined load mainly consisting of radial load. Their cups are separable for easy assembling ,During mounting and using, radial clearance and axial clearance can be adjusted and preloaded mounting can be made.

Packaging & Delivery of Bearing Steel Round Bar

Packaging Detail: ASTM 52100 Steel in seaworthy packing or on customer request; Packed in bundles with standard export sea-worthy package or as customer require

Delivery Detail: 45 days after confirmed

Trade terms: FOB, CFR, CIF ou as customer's required

MOQ: 25 tons or at customer's demands. If the quantity is good, the price will be better.

Processing of Bearing Steel Round Bar

The processing of Bearing Steel Round Bar is hot rolled (strictly control sulphur, phosphorus and non-metallic inclusions content and distribution)

Chemical Composition of Bearing Steel Round Bar

C	Si	Mn	Cr	Ni	Cu
			Equal or less than
0.95-1.05	0.15-0.35	0.25-0.45	Cr:1.40-1.65	0.30	0.25

All products' chemical composition and specification can be design according to customers' requirement.

Note of Bearing Steel Round Bar

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. Please send us your detailed specifications when inquire. We will reply to you ASAP.

5. Certificate of quality is issued in English, in addition the normal terms, production process, the mechanical property (yield strength, tensile strength, elongation and hardness. forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the certificate of quality

Q: Are steel round bars suitable for the production of gears?: Yes, steel round bars are suitable for the production of gears. Steel is a common material used in gear manufacturing due to its high strength, durability, and resistance to wear and tear. The round bar shape allows for easy machining and shaping of the gear teeth. Steel round bars also provide excellent hardness and toughness, ensuring that the gears can withstand heavy loads and operate smoothly. Additionally, steel can be heat treated to further enhance its mechanical properties, making it an ideal choice for gear production.

Q: Can steel round bars be used for making wire?: Steel round bars are capable of being utilized for the production of wire. A technique known as wire drawing is employed to convert steel round bars into wire. This method involves pulling the steel round bar through a succession of progressively smaller dies in order to decrease its diameter until it achieves the desired wire size. This technique is widely employed in the manufacturing of different wire types, such as steel wire used in construction, electrical wiring, fencing, and other diverse applications. Typically, the steel round bars employed for wire production are crafted from carbon steel, which imparts the requisite strength and longevity for the wire to fulfill its various purposes.

Q: What are the different grades of stainless steel round bars for marine applications?: There are several different grades of stainless steel round bars that are commonly used for marine applications. The most common grades include 304, 316, and 316L stainless steel. Grade 304 stainless steel is a versatile and widely used alloy that offers good corrosion resistance, high strength, and excellent formability. It is often used for marine applications where moderate corrosion resistance is required. Grade 316 stainless steel is similar to grade 304, but it contains additional molybdenum, which enhances its corrosion resistance, especially against chlorides and other aggressive environments commonly encountered in marine applications. This grade is often preferred for marine environments where increased resistance to corrosion is necessary. Grade 316L stainless steel is a low carbon version of grade 316, which further improves its resistance to sensitization and intergranular corrosion. This makes it highly suitable for marine applications where welding is required, as it minimizes the risk of corrosion at the welds. In addition to these grades, there are also specialized stainless steel alloys such as duplex stainless steel, which combines the benefits of austenitic and ferritic stainless steels. These alloys offer even higher corrosion resistance and strength, making them suitable for more demanding marine applications. When selecting the grade of stainless steel round bars for marine applications, it is important to consider the specific environmental conditions, such as exposure to saltwater, chemicals, or high temperatures. Consulting with a materials specialist or referring to industry standards can help ensure the right grade is chosen for the specific marine application.

Q: Can steel round bars be used in the telecommunications industry?: Yes, steel round bars can be used in the telecommunications industry. Steel round bars are commonly used to provide structural support for various telecommunications equipment such as antennas, satellite dishes, and communication towers. These bars are highly durable and can withstand harsh weather conditions, making them suitable for outdoor installations. Additionally, steel round bars can be easily fabricated and shaped to meet specific design requirements, allowing for the integration of various components in the telecommunications infrastructure.

Q: How are steel round bars priced?: Steel round bars are typically priced based on several factors. One of the key factors is the cost of raw materials, which includes the cost of steel billets or ingots used to produce the round bars. The price of these raw materials can fluctuate based on market conditions, such as supply and demand dynamics and changes in input costs. Another factor that influences the pricing of steel round bars is the manufacturing process involved. The cost of transforming raw materials into finished round bars includes expenses such as energy consumption, labor costs, and equipment maintenance. These costs can vary depending on the complexity of the manufacturing process and the efficiency of the production facilities. Market conditions also play a significant role in determining the pricing of steel round bars. Factors such as global economic trends, industry demand, and competition among suppliers can impact the market price. If there is high demand for steel round bars, manufacturers may be able to charge a premium price. Conversely, during periods of oversupply, prices may be lower as suppliers compete for customers. Additionally, the size, grade, and quality of the steel round bars can affect the pricing. Larger diameter bars or specialty grades that require additional processing steps or high-quality raw materials may be priced higher than standard sizes or lower-grade bars. Finally, transportation costs and logistics can also influence the pricing of steel round bars. Shipping distances, freight rates, and any additional handling fees can add to the overall cost of the product. In summary, the pricing of steel round bars is influenced by the cost of raw materials, the manufacturing process, market conditions, the size and grade of the bars, and transportation costs. Understanding these factors can help buyers and sellers negotiate fair prices for steel round bars.

Q: How do I choose the right grade of steel round bar for my application?: To select the appropriate grade of steel round bar for your needs, it is crucial to carefully consider various factors. Here are some guidelines to assist you in making an educated decision: 1. Begin by understanding the specific requirements of your application. Take into account factors like load-bearing capacity, resistance to corrosion, temperature endurance, and any applicable industry regulations or standards. 2. Determine the mechanical properties necessary for your application. Depending on the specific use, you may require certain properties such as strength, hardness, toughness, or ductility. Prioritize these properties based on their significance to your application. 3. Assess the environmental conditions in which the steel round bar will be used. This includes factors like exposure to moisture, chemicals, high temperatures, or abrasive surroundings. Certain grades of steel offer better resistance to corrosion or heat, rendering them more suitable for specific conditions. 4. Seek guidance from experts if you are uncertain about the most suitable grade of steel for your application. Consult metallurgists, engineers, or suppliers who can provide valuable insights based on their expertise and experience. 5. Compare and contrast different grades of steel round bars available in the market once you have a clear understanding of your application requirements. Consider factors such as composition, manufacturing process, and specific properties associated with each grade. Look for grades that closely align with your requirements. 6. Review the industry standards and specifications to determine if any specific grades are mandated for your application. These standards can offer guidance and ensure compliance with safety and quality requirements. 7. Evaluate the cost-effectiveness of various grades by considering factors like initial purchase cost, maintenance and replacement expenses, and the overall lifespan of the steel round bar. 8. If possible, conduct tests or trials using different grades of steel round bars to assess their performance in your specific application. This will provide valuable data to aid your decision-making process. By following these steps and taking all relevant factors into account, you can efficiently and effectively select the appropriate grade of steel round bar that meets the demands of your application.

Q: What are the advantages of using nitriding steel round bars?: Nitriding steel round bars offer numerous benefits. Firstly, they possess a remarkable surface hardness. Through the nitriding process, nitrogen diffuses into the outer layer of the steel, creating a hard nitride layer. This greatly enhances the wear resistance and durability of the round bars, rendering them suitable for applications involving heavy loads or abrasive environments. Secondly, the fatigue strength of nitriding steel round bars is improved. The nitride layer formed during the nitriding process also enhances the steel's ability to withstand fatigue. Consequently, the round bars can endure repeated loading and high-stress conditions without experiencing premature failure. Moreover, nitriding steel round bars exhibit outstanding corrosion resistance. The nitride layer acts as a barrier against corrosive elements, such as moisture, chemicals, or saltwater, effectively protecting the underlying steel. This makes them ideal for use in harsh environments where corrosion is a concern, such as the marine or chemical industries. Furthermore, nitriding steel round bars retain a high surface hardness even at elevated temperatures. Unlike other surface hardening processes that rely on thin coatings, nitriding modifies the surface layer of the steel, resulting in a stable hardened layer that withstands high temperatures. This ensures that the round bars maintain their hardness and mechanical properties even in demanding heat-intensive applications. In conclusion, the advantages of utilizing nitriding steel round bars include high surface hardness, improved fatigue strength, excellent corrosion resistance, and high surface hardness retention at elevated temperatures. These properties make them the preferred choice for various applications in industries such as automotive, aerospace, manufacturing, and construction.

Q: Can steel round bars be used for making conveyor belts?: No, steel round bars are not suitable for making conveyor belts as they lack the necessary flexibility and surface properties required for effective and efficient conveyor belt operation. Conveyor belts are typically made from materials such as rubber or synthetic fabrics that provide durability, grip, and flexibility to facilitate the movement of goods.

Q: Can steel round bars be annealed?: Steel round bars can indeed undergo annealing, a heat treatment process in which the steel is heated to a specific temperature and gradually cooled. This procedure serves to alleviate internal stresses, enhance ductility, and improve the steel's machinability. Annealing can be employed on various steel products, including round bars, to render them more pliable, easier to work with, and minimize the likelihood of cracking or failure in subsequent manufacturing procedures.

Q: Can steel round bars be used in the production of tools?: Certainly, the utilization of steel round bars in tool production is highly feasible. The exceptional strength, durability, and versatility of steel render it extensively employed in the manufacturing of tools. Specifically, steel round bars are frequently employed due to their capacity to undergo machining, forging, and heat treatment, thereby transforming into diverse tool components like cutting edges, shafts, handles, and dies. The elevated tensile strength, wear resistance, and corrosion resistance of steel round bars render them an ideal choice for tool production, guaranteeing both longevity and performance. Moreover, steel can be effortlessly tailored and molded to meet the specific requirements of various tools, establishing it as the preferred material within the industry.

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