• Alloy Steel of Bearing System 1
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Alloy Steel of Bearing

Alloy Steel of Bearing

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Loading Port:
Guangzhou
Payment Terms:
TT or LC
Min Order Qty:
25MT m.t.
Supply Capability:
600000 Tons/Year m.t./month

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Specifications of Alloy Steel For Bearing

1. Grade: AISI 52100, ASTM E52100, DIN 1.3505,JIS SUJ2, GCr15

100Cr6

52100

SUJ2

GCr15

100CrMo7

100CrMo7

SUJ5

GCr18Mo

20CrMo4

4118H

SCM418

G20CrMo

20NICrMo2

8520H

SNCM220

G20CrNiMo

 -

 -

440C

9Cr18

X108CrMo17

S44004

440C

9Cr18Mo

 

2. Specification: Diameter: 5.5~350mm Length: 2000-6000mm or as required

3. Steel Grade: Bearing Steel

4. Certification: ISO9001-2000; CE, UL

5. Inspection: 100% Ultrasonic according to the test standards: SEP1921-84, GR.3 CLASS C/C

6. Packing situation: standard seaworthy packing or as customer required

7. Heat treatment:                                                                                                      

    Soft annealing: heat to 680-720°C, cool slowly.

    Hardness after annealing: Max. 241 HB

    Hardening: 820 - 850 °C

    Normalizing temperature: 840-880°C

    Tempering: 540-680°

 

Usage and Applications of Alloy Steel For Bearing

Alloy steel is used in making all kinds of bearing ring and rolling elements, like combustion engine, machine tool, and bearings for melting machine; also used for making tools and measuring tools.

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

Alloy Steel can be used in machine parts and engineering components.

Applications range: Chemical fertilizer pipe, building, machinery, textile industry, etc

 

Packaging & Delivery of Alloy Steel For Bearing

Packaging Detail: Standard seaworthy packing or as customer required; Packed in bundles with standard export sea-worthy package or as customer require

Delivery Detail: 45 days after order confirmed

Delivery condition: Black, peeled, machined

Trade terms: FOB, CFR, CIF

MOQ: 25 tons or at customer's demands

 

Production Flow of Alloy Steel For Bearing

Process: EAF+LF+VD+ Hot Rolled(Forged)+ Heat Treatment (Annealed, A Normalized, Q+T)

The processing is hot rolled (strictly control sulphur, phosphorus and non-metallic inclusions content and distribution).

 

 

 Production Alloy Steel

 

 Production of Alloy Steel  

Product Advantages of Alloy Steel For Bearing

1. Good comprehensive properties

2. Good performance in cutting and processing after spheroids annealing

3. High hardness and homogenization after quenching and tempering

4. High abrasive resistance and fatigue resistance

5. Large amount of metal elements

6. High abrasion resistant SAE 52100 bearing steel

7. Steel GCr15 is the most widely used bearing steel

 

Quality Assurance of Alloy Steel for Bearing

We are the ISO 9001:2000 authentication enterprises and we can provide the enterprise's quality written guarantee for all the exported products.

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 etching for special steel?
Special steel can be surface etched using various methods. These methods include the following: 1. Chemical etching: This technique involves selectively removing material from the steel surface using different acids or chemical solutions. It allows for precise control and can create intricate patterns or designs. 2. Electrochemical etching: By using an electrical current, the steel surface is etched. This method is effective for creating uniform and deep etches, often used for labeling or marking purposes. 3. Laser etching: A high-powered laser is utilized to remove material from the steel surface. This method is known for its precision and ability to create detailed designs or markings, commonly used for branding or decorative purposes. 4. Mechanical etching: Physical abrasion is employed to remove material from the steel surface. This can be done manually with tools like sandpaper or brushes, or with the help of machinery like a sandblaster. Mechanical etching is often used to create a textured or roughened surface. 5. Plasma etching: High-energy plasma is used to remove material from the steel surface. This method is useful for creating fine and shallow etches, commonly employed in microfabrication or semiconductor manufacturing. Each method has its own advantages and limitations. The choice of which method to use depends on factors such as the desired outcome, the specific type of special steel being etched, and the available equipment and resources.
Q:How is special steel different from regular steel?
Special steel is different from regular steel due to its unique composition and properties. Unlike regular steel, special steel is specifically designed to possess enhanced characteristics such as increased strength, durability, corrosion resistance, and heat resistance. Special steel is often alloyed with various elements like chromium, nickel, molybdenum, or vanadium to achieve these improved qualities, making it suitable for specific applications that require superior performance under challenging conditions.
Q:What are the different methods of controlling the grain size in special steel?
There are several methods to control the grain size in special steel, aiming to achieve the desired mechanical properties and performance. Some of these methods include: 1. Alloying: By carefully selecting and controlling the composition of alloying elements in the steel, the grain size can be controlled. For example, elements such as niobium, vanadium, and titanium can effectively refine the grain size. 2. Heat treatment: The heat treatment process plays a crucial role in controlling the grain size. Techniques like annealing, normalizing, and quenching can be employed to manipulate the grain size. For instance, slow cooling during annealing promotes the growth of larger grains, while rapid cooling during quenching can lead to smaller grain sizes. 3. Deformation processing: Applying mechanical deformation, such as rolling, forging, or extrusion, can help refine the grain structure. These processes induce strain and promote the formation of smaller and more uniform grains. 4. Grain growth inhibitors: Adding certain elements to the steel, such as aluminum or zirconium, can act as grain growth inhibitors. These elements form fine particles that impede grain growth during heat treatment, resulting in a smaller grain size. 5. Transformation temperature control: By controlling the transformation temperature during heat treatment, the grain size can be manipulated. For example, lowering the austenitizing temperature can produce a finer grain structure in the final product. 6. Rapid solidification: Utilizing techniques like spray forming or rapid quenching can result in an ultrafine-grained microstructure. The rapid cooling prevents grain growth, leading to a fine and homogeneous grain structure. 7. Severe plastic deformation (SPD) techniques: SPD techniques, such as equal channel angular pressing (ECAP) or high-pressure torsion (HPT), can impose significant strain on the material, leading to a refined grain structure. These techniques are typically used for producing ultrafine-grained or nanostructured steels. It is important to note that the choice of the method for controlling grain size in special steel depends on the desired properties, the alloy composition, and the intended application of the final product.
Q:What are the specific requirements for special steel used in the railway track industry?
The specific requirements for special steel used in the railway track industry include high strength, durability, and resistance to wear, fatigue, and corrosion. It must also possess good weldability and maintain its mechanical properties under varying temperatures and loading conditions. Additionally, the steel should comply with specific industry standards and undergo rigorous testing and quality control measures to ensure its reliability and safety for railway track applications.
Q:What are the properties of wear-resistant stainless steel?
Wear-resistant stainless steel has several properties that make it highly effective in resisting wear and tear. Firstly, it has a high hardness level, which allows it to withstand abrasive forces and maintain its shape under heavy loads. Additionally, it exhibits excellent corrosion resistance, preventing rust or degradation even in harsh environments. This type of stainless steel also possesses good impact resistance, meaning it can withstand sudden impacts without cracking or breaking. Furthermore, wear-resistant stainless steel typically has a low coefficient of friction, reducing frictional forces and minimizing wear when in contact with other materials. Overall, these properties make wear-resistant stainless steel a durable and reliable choice for applications where wear and tear are major concerns.
Q:Can special steel be used in the manufacturing of firearms?
Special steel is unquestionably applicable for firearm production. In truth, it is frequently favored for this purpose owing to its distinct properties that render it apt for enduring high temperatures, pressures, and stress. Firearms necessitate materials that possess strength, durability, and the capability to withstand the immense forces generated during firing. Special steel alloys, such as stainless steel or heat-treated steel, provide these desired traits and are extensively employed in fabricating firearm barrels, receivers, and other crucial constituents. The incorporation of special steel in firearm manufacturing guarantees the dependability, safety, and consistent performance of these weapons in diverse conditions.
Q:Can special steel be used in the paper manufacturing industry?
Yes, special steel can be used in the paper manufacturing industry. Special steel, such as stainless steel or corrosion-resistant steel, can be utilized in various applications within the paper manufacturing process, including equipment like rollers, blades, and drying cylinders. These types of steel offer durability, resistance to corrosion, and high strength, making them suitable for handling the demanding conditions and requirements of the paper manufacturing industry.
Q:How does special steel contribute to the machinability of products?
Special steel contributes to the machinability of products by offering enhanced properties such as higher strength, improved wear resistance, and increased hardness. These qualities allow for easier cutting, shaping, and forming during the machining process. Additionally, special steel may contain alloying elements that improve its thermal conductivity and reduce the risk of deformation or cracking, leading to better overall machinability.
Q:Can special steel be used for musical instruments?
Yes, special steel can be used for musical instruments. In fact, many high-quality instruments such as saxophones, trumpets, and guitars are made using different types of steel. Special steel alloys like stainless steel or nickel silver offer unique tonal qualities and durability, making them suitable for producing musical instruments with excellent sound projection and longevity.
Q:How does special steel perform in extreme weather conditions?
Special steel is specifically designed to perform well in extreme weather conditions. It has high resistance to corrosion, making it suitable for use in harsh environments, such as extreme cold or hot temperatures, high humidity, or exposure to saltwater. Special steel also has excellent strength and toughness, enabling it to withstand heavy loads, impact, and vibrations. Overall, special steel exhibits superior performance and durability in extreme weather conditions, making it an ideal choice for various applications, including construction, marine, and aerospace industries.
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

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