Alloy Steel of Bearing

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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


























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.

Some different methods of surface finishing for special steel include electroplating, powder coating, hot-dip galvanizing, and passivation.
Special steel resists corrosion through the addition of alloying elements, such as chromium, which form a protective oxide layer on its surface. This oxide layer acts as a barrier, preventing the underlying steel from coming into contact with corrosive substances and effectively inhibiting corrosion.
Stainless steel contributes to architectural design by offering a versatile and aesthetically pleasing material that can be used in various applications. Its durability, corrosion resistance, and sleek appearance make it a popular choice for modern buildings and structures. Stainless steel can be used for cladding, roofing, handrails, facades, and other architectural elements, adding a contemporary and timeless touch to the design. Additionally, its ability to be formed into different shapes and sizes allows architects to create innovative and intricate designs, enhancing the overall visual appeal of a structure.
There are different grades of special steel used in the production of renewable energy equipment, such as wind turbines, solar panels, and hydroelectric generators. These grades include high-strength steel, corrosion-resistant steel, and heat-resistant steel. Each grade is specifically designed to withstand the unique operating conditions and environmental factors associated with renewable energy applications.
Carbon steel is commonly used in the manufacturing of pipes and tubes due to its high strength, durability, and affordability. Its composition, which includes mainly iron and carbon, provides it with excellent mechanical properties and resistance to corrosion. Carbon steel pipes and tubes are widely used in various industries, including oil and gas, construction, and manufacturing, for conveying fluids, gases, and solids. Its versatility and reliability make it a popular choice for a wide range of applications.
Some of the different forming techniques for special steel include hot forging, cold forging, extrusion, rolling, and casting. These techniques allow for the shaping and manipulation of the steel to meet specific requirements, such as strength, durability, and dimensional accuracy. Each technique has its own advantages and can be chosen based on the desired outcome and the characteristics of the special steel being used.
Special steel contributes to reducing product rejection rates in quality control by offering superior strength, durability, and corrosion resistance compared to conventional steel. This ensures that products made with special steel are less prone to defects, such as cracks, deformations, or surface imperfections, that could lead to rejection during quality control inspections. Additionally, special steel's precise composition and unique properties enable manufacturers to produce more accurate and consistent products, minimizing variations and deviations that could result in rejection.
The cost implications of using special steel can vary depending on factors such as the specific type of special steel required, its availability, and the market demand. Generally, special steel is more expensive than regular steel due to its unique composition and enhanced properties. Additionally, the production process for special steel may involve additional steps or specialized equipment, further increasing the cost. However, the higher cost of special steel can often be justified by its superior performance and durability, making it a worthwhile investment for applications that require specific characteristics or high-performance requirements.
Stainless special steel, also known as stainless steel, is a versatile material that finds applications in various industries due to its unique properties. Some of the different applications of stainless special steel include: 1. Construction: Stainless steel is widely used in the construction industry for its durability and corrosion resistance. It is used in structural components, bridges, building facades, and roofing materials. 2. Automotive industry: Stainless steel is extensively used in the automotive sector for its strength, heat resistance, and durability. It can be found in exhaust systems, mufflers, catalytic converters, fuel tanks, and various other components. 3. Medical equipment: Stainless steel is the material of choice in the medical field due to its high corrosion resistance and biocompatibility. It is used in the manufacture of surgical instruments, implants, orthopedic devices, and medical equipment. 4. Food processing industry: Stainless steel is widely used in the food industry due to its hygienic properties. It is used in the production of food processing equipment, storage tanks, food preparation surfaces, and utensils. 5. Aerospace industry: Stainless steel is used in the aerospace industry for its strength, heat resistance, and corrosion resistance. It is used in the manufacturing of aircraft parts, engine components, and structural elements. 6. Chemical industry: Stainless steel is highly resistant to corrosion from various chemicals, making it suitable for applications in the chemical industry. It is used in the production of tanks, pipes, valves, and other equipment that come into contact with corrosive substances. 7. Energy sector: Stainless steel is used in the energy industry for various applications. It is used in the construction of power plants, oil and gas refineries, pipelines, and renewable energy systems such as wind turbines and solar panels. 8. Marine industry: Stainless steel is extensively used in marine environments due to its excellent corrosion resistance properties. It is used in the manufacture of boat fittings, propellers, underwater structures, and offshore platforms. 9. Household appliances: Stainless steel is commonly used in household appliances due to its aesthetic appeal, durability, and resistance to stains and scratches. It can be found in kitchen appliances such as refrigerators, ovens, dishwashers, and washing machines. 10. Art and design: Stainless steel is increasingly being used in art installations, sculptures, and architectural designs due to its aesthetic appeal, versatility, and ability to withstand outdoor conditions. In summary, stainless special steel has a wide range of applications across industries due to its durability, corrosion resistance, strength, heat resistance, and aesthetic appeal. It plays a crucial role in construction, automotive, medical, food processing, aerospace, chemical, energy, marine, household appliances, and artistic fields.
There are several different coating techniques that can be used for special steel to enhance its properties and protect it from corrosion or wear. Some of the commonly used coating techniques include: 1. Electroplating: In this technique, a thin layer of metal is deposited onto the surface of the steel using an electric current. This can be done with various metals such as zinc, nickel, or chrome, depending on the desired properties of the coated steel. 2. Hot-dip galvanizing: This technique involves immersing the steel in a molten zinc bath, which forms a protective layer on the surface. Hot-dip galvanizing is commonly used for outdoor applications, as it provides excellent corrosion resistance. 3. Powder coating: In this technique, a dry powder is applied to the surface of the steel and then heated to form a protective coating. Powder coating offers a wide range of colors and finishes and provides both corrosion and wear resistance. 4. Thermal spraying: This technique involves heating a coating material, such as zinc or aluminum, to a high temperature and then spraying it onto the steel surface. Thermal spraying is commonly used for high-temperature applications, as it provides excellent resistance to heat and corrosion. 5. PVD coating: Physical vapor deposition (PVD) is a technique where a thin film of metal is deposited onto the steel surface through a vacuum process. PVD coatings can provide various properties such as hardness, wear resistance, and decorative finishes. 6. Carbonitriding: This is a surface hardening technique where the steel is heated in a furnace containing a carbon and nitrogen-rich atmosphere. Carbonitriding forms a hard, wear-resistant layer on the steel surface, improving its durability. These coating techniques offer different advantages and are chosen based on the specific requirements of the application. By applying these coatings, special steel can be made more resistant to corrosion, wear, and other forms of degradation, extending its lifespan and enhancing its performance in various 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  
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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