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:How does special steel contribute to the telecommunications machinery industry?: The telecommunications machinery industry heavily relies on special steel for the production of durable and high-quality equipment. This steel is crucial in providing the necessary materials for antennas, satellite dishes, and transmission towers. These machinery are constantly exposed to different environmental conditions and need to endure extreme weather, corrosion, and mechanical stress. Special steel, renowned for its exceptional strength, toughness, and corrosion resistance, ensures the longevity and reliability of telecommunications equipment. For example, antennas and satellite dishes made from special steel can withstand harsh weather conditions and strong winds without compromising signal quality or structural integrity. Moreover, transmission towers, which play a vital role in efficient signal transmission over long distances, are manufactured using special steel. These towers need to support heavy equipment, endure dynamic loads, and resist corrosion to maintain uninterrupted communication. The high tensile strength and corrosion resistance of special steel guarantee the stability and longevity of transmission towers, ultimately contributing to the overall reliability of the telecommunications network. Additionally, special steel is utilized in the production of cables and connectors used in telecommunications systems. These components require high conductivity, low resistance, and resistance to wear and tear. By incorporating special steel, manufacturers of telecommunications machinery can ensure efficient signal transmission and reduce signal loss, leading to improved communication quality. In conclusion, special steel is indispensable in the telecommunications machinery industry as it provides superior strength, durability, and corrosion resistance. By incorporating special steel into the production of antennas, satellite dishes, transmission towers, cables, and connectors, the industry can deliver reliable and high-quality telecommunications equipment to meet the increasing demands of the modern world.

Q:Can special steel be used for making renewable energy equipment?: Yes, special steel can be used for making renewable energy equipment. Special steel alloys are often used in the manufacturing of components such as wind turbine towers, solar panel frames, and hydroelectric power plant structures. These alloys possess high strength, durability, corrosion resistance, and other properties necessary for withstanding the harsh environmental conditions and demands of renewable energy systems.

Q:Is special steel suitable for manufacturing firearms?: Yes, special steel is highly suitable for manufacturing firearms. Special steel alloys are specifically designed to possess exceptional properties such as high strength, hardness, and resistance to wear and corrosion. These characteristics are crucial for firearms as they need to withstand high pressures, recoil forces, and intense heat generated during firing. Special steel alloys, such as stainless steel or chrome-molybdenum steel, offer excellent tensile strength, allowing firearms to handle the immense pressure generated by the ignition of gunpowder. Moreover, the hardness of special steel ensures that the critical components, such as barrels and receivers, are durable and can withstand repeated use without deforming or cracking. Firearms also require resistance to wear and corrosion, as they are often exposed to harsh environments and various weather conditions. Special steel alloys are engineered to have superior resistance to both wear and corrosion, ensuring that the firearms remain functional and reliable even after prolonged use or exposure to moisture. Furthermore, special steel alloys can be easily machined and formed into complex shapes, allowing manufacturers to create intricate firearm components with precision. This versatility in manufacturing processes enables the production of firearms that meet stringent quality standards and precise specifications. In conclusion, special steel is unquestionably suitable for manufacturing firearms due to its exceptional strength, hardness, resistance to wear and corrosion, and ease of machining. These properties ensure the reliability, durability, and performance of firearms, making special steel an ideal material choice for this purpose.

Q:What are the different surface hardening methods used for special steel?: There are several different surface hardening methods that are commonly used for special steel. These methods are employed to improve the hardness and wear resistance of the steel, making it suitable for specific applications. Some of the most commonly used surface hardening methods for special steel include: 1. Carburizing: Carburizing is a heat treatment process that involves introducing carbon into the surface of the steel. This is typically done by heating the steel in a carbon-rich environment, such as a gas or liquid containing carbon. The carbon diffuses into the steel, forming a high-carbon layer on the surface. This process increases the hardness and wear resistance of the steel, making it suitable for applications that require high strength and durability. 2. Nitriding: Nitriding is a surface hardening process that involves introducing nitrogen into the surface of the steel. This is typically done by heating the steel in an atmosphere of ammonia gas. The nitrogen diffuses into the steel, forming a nitride layer on the surface. Nitrided steel exhibits high hardness, improved wear resistance, and increased fatigue strength. This method is commonly used for applications that require high surface hardness, such as gears, bearings, and tools. 3. Induction hardening: Induction hardening is a localized surface hardening method that involves heating only specific areas of the steel using electromagnetic induction. The heated areas are then rapidly quenched, resulting in a hardened surface layer. Induction hardening is often used for components that require high surface hardness, such as shafts, gears, and camshafts. It offers precise control over the hardened area, resulting in improved wear resistance and fatigue strength. 4. Flame hardening: Flame hardening is a surface hardening method that involves heating the steel surface using a high-temperature flame and then rapidly quenching it. The localized heating and quenching process produces a hard surface layer, while the core of the steel remains relatively unchanged. This method is commonly used for large and complex-shaped components, such as axles, crankshafts, and machine tool slides. 5. Laser hardening: Laser hardening is a precise and localized surface hardening method that involves using a high-energy laser beam to heat and melt the surface of the steel. The laser beam is moved across the surface to create a hardened layer. Laser hardening offers precise control over the hardened area, resulting in improved wear resistance and fatigue strength. It is commonly used for small and intricate components, such as cutting tools, molds, and dies. These are just a few of the surface hardening methods commonly used for special steel. Each method offers unique advantages and is chosen based on the specific requirements of the application. By employing these surface hardening methods, special steel can be tailored to meet the demands of various industries, including automotive, aerospace, and manufacturing.

Q:Can special steel be used in cryogenic applications?: Indeed, cryogenic applications can utilize special steel. In particular, austenitic stainless steels like 304 or 316 are frequently employed in cryogenic settings because of their remarkable mechanical attributes and ability to withstand low temperatures. These steels maintain their strength, toughness, and ductility even in exceedingly cold environments, rendering them suitable for cryogenic use. Furthermore, special steels also exhibit commendable resistance to corrosion and thermal expansion, which are crucial considerations in cryogenic applications. In summary, special steel alloys possess a distinctive combination of properties that make them highly suitable for withstanding and functioning in extremely frigid conditions.

Q:How does surface treatment affect the performance of special steel?: The performance of special steel is greatly enhanced by surface treatment, which serves the essential purpose of altering the steel's surface properties to meet specific requirements and improve its performance in various applications. One notable effect of surface treatment on special steel is the increased resistance to corrosion. Coatings or treatments such as galvanization, electroplating, or passivation are applied to make the steel's surface more resilient against the damaging effects of moisture, chemicals, and other corrosive agents. This is particularly crucial in industries like construction, automotive, or marine, where steel is subjected to harsh environments. Surface treatment also has an impact on the wear resistance of special steel. Through processes like carburizing, nitriding, or boriding, a thin layer of hard and wear-resistant material is formed on the surface of the steel. This significantly enhances its ability to withstand friction, abrasion, and mechanical stress, making it suitable for applications involving heavy machinery, cutting tools, or bearings. Moreover, surface treatment can enhance the aesthetic appeal of special steel. Techniques such as polishing, grinding, or coating can be employed to improve the appearance of the steel, making it more visually pleasing for architectural or decorative purposes. Another crucial aspect affected by surface treatment is the adhesion properties of the steel. By modifying the surface through processes like shot peening or surface etching, the steel becomes more receptive to adhesives, paints, or coatings. This improves the bond strength between the steel and other materials, making it suitable for applications where adhesion is critical, such as in the aerospace or electronics industries. To summarize, surface treatment has a significant impact on the performance of special steel. It enhances corrosion resistance, wear resistance, adhesion properties, and aesthetic appeal. Manufacturers can maximize the steel's performance and extend its lifespan by selecting the appropriate surface treatment techniques to tailor its surface properties to meet specific application requirements.

Q:What are the limitations of special steel?: Some limitations of special steel include its high cost and limited availability, as well as the difficulty in shaping and processing it. Additionally, special steel may have lower tensile strength compared to other materials and can be prone to corrosion if not properly maintained.

Q:What properties make special steel unique?: Special steel, also known as alloy steel, possesses unique properties that set it apart from other types of steel. Firstly, special steel is distinguished by its exceptional strength and hardness. It is engineered to have a high resistance to deformation, making it suitable for applications that require robust materials. Whether in construction, automotive, or aerospace industries, special steel provides the necessary durability and reliability. Another remarkable property of special steel is its superior corrosion resistance. By incorporating certain alloying elements such as chromium, nickel, or molybdenum, this type of steel becomes highly resistant to rust and other forms of corrosion. As a result, special steel is often used in marine environments, chemical plants, and oil and gas industries where exposure to harsh conditions is prevalent. Furthermore, special steel demonstrates excellent heat resistance. It can withstand high temperatures without losing its strength or structure, making it suitable for applications in extreme heat environments, such as power generation or furnace components. This property allows special steel to be utilized in critical situations where other materials may fail or degrade. Special steel is also known for its versatility and adaptability. With various alloying elements and heat treatment processes, it can be tailored to meet specific requirements of different industries. This flexibility makes it possible to create specialized alloys with unique properties, such as improved machinability, wear resistance, or enhanced magnetic properties, catering to a wide range of applications. In conclusion, the properties that make special steel unique are its exceptional strength and hardness, superior corrosion resistance, excellent heat resistance, and its versatility in being tailored to specific requirements. These properties make special steel an invaluable material in numerous industries, enabling the development of innovative and reliable products.

Q:Can special steel be used in the production of springs for automotive suspension?: Yes, special steel can be used in the production of springs for automotive suspension. Special steel, such as alloy steel or high-carbon steel, offers excellent strength, durability, and resistance to fatigue, making it suitable for handling the heavy loads and constant vibrations involved in automotive suspension systems.

Q:What are the different welding techniques used for special steel?: There are several welding techniques used for special steel, including Tungsten Inert Gas (TIG) welding, Metal Inert Gas (MIG) welding, Shielded Metal Arc Welding (SMAW), and Flux-Cored Arc Welding (FCAW). Each technique has its own advantages and disadvantages, and the choice of technique depends on factors such as the type of special steel, the thickness of the material, and the desired outcome of the welding process. TIG welding is commonly used for high-quality welds on thin materials, while MIG welding is suitable for thicker materials and higher production rates. SMAW is a versatile technique, suitable for various steel types and thicknesses, and FCAW is often used for outdoor applications and on thick materials.

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