Bearing Steel Round Bar

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Loading Port:: Guangzhou

Payment Terms:: TT or LC

Min Order Qty:: 25MT m.t.

Supply Capability:: 80000 Tons/Year m.t./month

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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: What are the different methods of surface texturing for special steel?: There are several different methods of surface texturing for special steel, each with its own unique advantages and applications. Some of the most common methods include: 1. Shot blasting: This process involves propelling small metal or ceramic particles at high speeds onto the surface of the steel. It removes any impurities or contaminants on the surface, creating a textured finish that improves adhesion for coatings and paints. 2. Acid etching: This method involves immersing the steel in an acidic solution, which selectively removes a thin layer of the surface to create a textured pattern. Acid etching can be used to achieve intricate designs or patterns on the steel surface. 3. Mechanical grinding: This technique involves using abrasive tools to physically grind and remove material from the surface of the steel. It can be used to create a range of textures, from smooth to rough, depending on the grit size of the grinding tool. 4. Laser texturing: This advanced method uses laser technology to create precise and intricate patterns on the surface of the steel. Laser texturing offers high precision and repeatability and can be used to achieve complex designs that are difficult to achieve with other methods. 5. Electrochemical etching: This process involves using an electric current to selectively dissolve the surface of the steel, creating a textured pattern. It can be used to achieve consistent and controlled textures on the steel surface. Each method of surface texturing has its own advantages and limitations, and the choice of method depends on the desired texture, the specific properties of the special steel, and the intended application.

Q: How does special steel perform in electrical conductivity applications?: Special steel, also known as stainless steel, offers excellent electrical conductivity properties in various applications. It is widely used in electrical engineering and electronics due to its high corrosion resistance and low electrical resistance. The addition of specific alloys such as chromium and nickel enhances its conductivity, making it an ideal choice for conducting electricity efficiently. In electrical conductivity applications, special steel exhibits low resistivity, allowing for the smooth flow of electrical current without significant loss of energy. Its low resistance minimizes the generation of heat, which is crucial for preventing overheating and ensuring the efficient operation of electrical components. Special steel also possesses excellent magnetic properties, making it suitable for applications that require both electrical conductivity and magnetic strength. This property is particularly useful in the production of transformers, motors, and generators. Moreover, special steel is highly durable and can withstand harsh environmental conditions, making it suitable for outdoor applications. Its corrosion resistance prevents the formation of rust, ensuring a long lifespan and consistent performance even in challenging environments. In summary, special steel is an excellent choice for electrical conductivity applications due to its low electrical resistance, high corrosion resistance, and exceptional durability. Its unique properties make it a preferred material in various industries that rely on efficient and reliable electrical conductivity.

Q: How does special steel contribute to the construction machinery industry?: Special steel plays a crucial role in the construction machinery industry by providing high-strength and durable components. These components are essential for heavy-duty applications in construction machinery, such as excavators, bulldozers, cranes, and loaders. One of the key contributions of special steel to the construction machinery industry is its ability to withstand extreme stress and load-bearing requirements. Construction machinery often operates under severe conditions, including heavy loads, vibrations, and impacts. Special steel, with its excellent mechanical properties, can resist these conditions and maintain its structural integrity, ensuring the safety and reliability of the equipment. Moreover, special steel is often used in critical components of construction machinery, such as booms, buckets, tracks, and gears. These components are subjected to intense wear and tear due to constant use in harsh environments. Special steel, engineered with enhanced hardness and wear resistance, helps extend the lifespan of these components, reducing maintenance costs and downtime. Additionally, special steel provides superior corrosion resistance, which is vital for construction machinery used in humid or corrosive environments. By preventing rust and decay, special steel helps maintain the equipment's performance and longevity, ultimately increasing productivity and efficiency in construction projects. Furthermore, special steel enables the construction machinery industry to achieve innovative designs and advanced functionalities. Its versatility allows for the creation of complex shapes and precise tolerances, which are essential for optimizing the performance and efficiency of machinery. Special steel also enables the incorporation of advanced technologies, such as sensors and automation, enhancing the accuracy and productivity of construction equipment. In summary, special steel contributes significantly to the construction machinery industry through its ability to withstand extreme conditions, provide superior wear resistance and corrosion protection, and enable innovative designs. By utilizing special steel in the manufacturing process, construction machinery manufacturers can ensure the durability, safety, and efficiency of their equipment, ultimately benefiting the construction industry as a whole.

Q: How does special steel contribute to the automotive fuel efficiency?: Special steel contributes to automotive fuel efficiency in several ways. Firstly, special steel is often used in the construction of lighter and stronger components such as the chassis, body panels, and engine parts. This reduces the overall weight of the vehicle, leading to improved fuel economy. Secondly, special steel can be used in the manufacturing of components like exhaust systems, which are designed to reduce emissions and improve fuel efficiency. Additionally, special steel can also be utilized in the production of more efficient engine designs, such as turbochargers, which enhance the power output while minimizing fuel consumption. Overall, the use of special steel in the automotive industry plays a crucial role in enhancing fuel efficiency and reducing environmental impact.

Q: Can special steel be used in marine applications?: Marine applications can indeed utilize special steel. This type of steel, also referred to as marine grade steel, is specifically engineered to endure the demanding conditions found in marine environments. It possesses exceptional qualities, including heightened resistance to corrosion, increased strength, and enhanced durability, which render it suitable for a wide range of marine applications. The construction of ships, offshore structures, and marine equipment commonly employs special steel. Its capacity to withstand corrosion from saltwater, chemicals, and other environmental factors makes it an excellent choice for marine applications. Additionally, special steel finds use in the production of propellers, shafts, and other components that necessitate high tensile strength and fatigue resistance. All in all, special steel proves to be a dependable and efficient material for marine applications due to its unique properties and ability to withstand the challenges presented by the marine environment.

Q: Can special steel be used in the construction equipment manufacturing industry?: Yes, special steel can be used in the construction equipment manufacturing industry. Special steel, such as high-strength or wear-resistant steel, can provide enhanced durability and performance to construction equipment, making it suitable for demanding applications in the industry.

Q: What is the cost of special steel compared to other materials?: The cost of special steel compared to other materials can vary depending on a range of factors. Special steel, also known as alloy steel or tool steel, is typically more expensive than regular carbon steel due to its enhanced properties and composition. Its high strength, durability, and resistance to wear and corrosion make it suitable for specialized applications in industries such as automotive, aerospace, and construction. Compared to non-ferrous metals like aluminum or copper, special steel often comes at a lower cost. However, it is important to consider that different types of special steel can have varying price points. For instance, stainless steel, which contains chromium and other elements for enhanced corrosion resistance, tends to be more expensive than carbon steel. When comparing the cost of special steel with other materials such as plastics or composites, it is crucial to evaluate the specific requirements of the project. While these alternatives might have lower initial costs, they may not possess the same level of strength, heat resistance, or durability as special steel. Therefore, the long-term benefits and savings provided by special steel, such as reduced maintenance, longer lifespan, and improved performance, should also be taken into account. Ultimately, the cost of special steel compared to other materials is influenced by factors like the type and grade of steel, market demand, quantity needed, and any additional processing or finishing required. Consulting with suppliers, considering the specific application requirements, and conducting a thorough cost-benefit analysis will help determine the most suitable and cost-effective material choice for a particular project.

Q: How is special steel classified?: Special steel is classified based on its chemical composition, manufacturing process, and specific properties. It can be categorized into various types such as stainless steel, tool steel, alloy steel, and high-speed steel, each having distinct characteristics that make them suitable for specific applications.

Q: How does special steel contribute to the manufacturing of gears?: Special steel plays a crucial role in the manufacturing of gears due to its unique properties and characteristics. Gears are mechanical devices that facilitate the transmission of power and motion between rotating shafts, and they need to withstand high loads, operate at high speeds, and maintain precise dimensions for smooth and efficient functioning. Special steel, with its enhanced mechanical properties and superior quality, provides the necessary strength, durability, and wear resistance required for gear manufacturing. One key aspect of special steel is its high strength and hardness. Gears often experience heavy loads and undergo significant stress during operation. Special steel, such as alloy steel or tool steel, offers exceptional strength, allowing gears to handle these loads without deformation or failure. Moreover, the hardness of special steel ensures that gears can withstand abrasive wear and prevent damage caused by external factors, such as friction and contact with other components. Special steel also contributes to the manufacturing of gears by providing excellent fatigue resistance. Gears are subject to repetitive cyclic loading, which can lead to fatigue failure over time if not properly designed and manufactured. Special steel, through its unique microstructure and composition, enhances the fatigue life of gears by minimizing the propagation of cracks and reducing the risk of failure, ensuring long-term reliability and performance. Furthermore, special steel offers excellent machinability and dimensional stability, two vital factors in gear manufacturing. The machinability of special steel allows for precise shaping and cutting of gear teeth, ensuring accurate dimensions and smooth gear operation. The dimensional stability of special steel helps maintain the gear's shape and integrity under various temperature and environmental conditions, ensuring the gear's performance remains consistent throughout its lifespan. In conclusion, special steel plays a significant role in the manufacturing of gears by providing the necessary strength, durability, wear resistance, fatigue resistance, machinability, and dimensional stability. Gears made from special steel can withstand high loads, operate at high speeds, and maintain precise dimensions, ultimately contributing to the efficient functioning of various machinery and mechanical systems.

Q: What is the impact of carburizing on the properties of special steel?: Carburizing has a significant impact on the properties of special steel. It improves the surface hardness and wear resistance of the steel by introducing carbon into its surface layer. This process creates a hardened case while maintaining a tough core, enhancing the steel's overall strength and durability. Additionally, carburizing enhances the steel's ability to withstand high temperatures and increases its resistance to corrosion. Overall, carburizing plays a crucial role in enhancing the mechanical properties of special steel, making it suitable for various applications in industries such as automotive, aerospace, and manufacturing.

FORWARD is specialized in special steel, die steel, including: plastic die steel, hot work steel, cold work steel, alloy structural steel, bearing steel, high speed tool steel, carbon steel, stainless steel and so on with different specification. We sincerely provide high quality and favourite price. Our company keeps the principle of “reputation is fisrt, customer is our god”. Honest, pragmatic spirit are directing our production and sale, in order to serve our valued customer with convenient, top speed and best from here.

1. Manufacturer Overview

Location	Guangdong, China
Year Established	2005
Annual Output Value	Above US$ 100 Million
Main Markets	korea, India, Malaysia, Brazil, Germany, Belgium, Middle East
Company Certifications

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port	Guangzhou
Export Percentage	50%-80%
No.of Employees in Trade Department	21-100 People
Language Spoken:	English; Chinese
b) Factory Information
Factory Size:	23,000 square meters
No. of Production Lines	1
Contract Manufacturing	OEM servise offered
Product Price Range	high; average