Japanese Standard Bearing Steel

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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 Japanese Standard Bearing Steel

 

Material

SUJ2

Chemical Composition

Mechanical Properties(In Quenched & Tempered State)

C

0.95-1.05

Hardness

HRC≈67 

Si

0.15-0.35

HRC61-66 

Mn

0.25-0.45

HRC62-66 

Cr

1.40-1.65

--

Mo

≤0.10

--

P

≤0.025

HB170-207 

S

≤0.025

HB207-229 

Cu

≤0.25

HB270-390 

Ni+Cu

≤0.50

HB229-285 

Dimension: Thickness: 20mm-1000mm, Length: 500mm-6000mm

Technique: Hot rolled, cold drawn, forged

Surface treatment: Black, grinding, bright, polish

Type: Alloy Steel Bar

Documents required: Commercial invoice; Packing list; Bill of lading; Certificate of origin and others that the target market needs.

 

 

Usage and Applications of Japanese Standard Bearing Steel

High Quality Bearing steel is used for manufacturing ball, roller bearing steel and rings. Bearing in work is under great pressure and friction, so have high demands bearing steel and hardness and resistance, and high elastic limit.

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

For example, bearing ring, steel rolling mill, machinery, 100Cr6 bearing steel ball is widely used in high-speed and low-noise bearing, bicycle, motorcycle, automobile, bags electronically.

 Performance of Bearing Steel  

 

 

 

 Function of Bearing Steel

 

Packaging & Delivery of Japanese Standard Bearing Steel

Packaging Detail: Standard seaworthy packing or as customer required.

Delivery Detail: 45 days

Trade terms: FOB, CFR, CIF

MOQ: 25 tons or at customer's demands

Weight: Theprice invoicing on theoretical weight basis or actual weight basis depends on customer’s request.

Shipment: The shipment of bulk break or container is depends on customer’s request.

 

 

Other equivalent steel materials of Japanese Standard Bearing Steel

 

USA

Japanese

Germany

British

France

ASTM&AISI&SAE

JIS

EN DIN

EN BS

EN NF

52100

SUj2

100Cr6

100Cr6

100Cr6

1.2067

     1.2067

1.2067

 

 

Characteristics of Japanese Standard Bearing Steel

1. The technical workers we employed are the ones with many years’ working experience, who know the technology procedures very well.

2. We will strictly inspect our production that we sold according to the customer’s request.

3. Our steel reaches international quality standards. Besides, our company is equipped with large-sized vertical saw machines, horizontal saw machines, milling machines, grinding machines and other advanced equipment. All our products are carried out hardness tests, such as the ultrasonic flaw detection before shipment. Therefore, there is no quality problem. With more competitive price than other suppliers, our steel has good sales in the markets of North America, South America, East Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia and West Europe.

4. We can accept L/C usance or L/C at sight.

5. Quality should be in conformity with the specification of the manufacturer.  Quantity and packing conditions should be in conformity with the term in this contract.

Q:
Precipitation-hardening steel, also known as PH steel, is extensively used in the aerospace industry due to its exceptional strength-to-weight ratio and excellent corrosion resistance. This type of steel undergoes a heat treatment process that enables the formation of fine precipitates within its structure, resulting in improved mechanical properties. In aerospace applications, precipitation-hardening steel is commonly utilized for manufacturing critical components such as landing gear, engine parts, and structural elements. Its high strength and durability allow for the construction of lighter and more fuel-efficient aircraft, enhancing overall performance and safety in the aerospace sector.
Q:
Special steel is known for its excellent performance under high temperatures. It has a high melting point, allowing it to withstand extreme heat without deforming or losing its structural integrity. Additionally, special steel exhibits exceptional strength and resistance to oxidation, making it highly dependable for applications that require stability and durability at elevated temperatures.
Q:
Special steel refers to a specific type of steel that is designed and manufactured to possess enhanced properties compared to regular steel. These enhanced properties can include higher strength, improved corrosion resistance, better heat resistance, or increased hardness. Special steel is often used in applications where standard steel may not meet the required specifications or performance demands.
Q:
Some of the different surface modification techniques used for special steel include heat treatment, electroplating, coatings, and nitriding. These techniques are utilized to enhance the steel's hardness, corrosion resistance, wear resistance, and overall performance in various applications.
Q:
Special steel can significantly contribute to the thermal conductivity of products due to its unique composition and properties. Special steel is manufactured with specific alloying elements, such as chromium, nickel, molybdenum, or vanadium, which enhance its thermal conductivity. These alloys help in the efficient transfer of heat by increasing the free electron density within the steel. The presence of alloying elements in special steel improves its lattice structure, allowing for better heat transfer. The increased free electron density enables quick and efficient movement of thermal energy through the material. As a result, special steel can effectively conduct heat from one area to another, making it ideal for applications requiring high thermal conductivity. Furthermore, special steel is often processed using advanced techniques like heat treatment, forging, or rolling, which further optimize its properties. These processes refine the microstructure of the steel, reducing impurities and improving its thermal conductivity. The resulting steel product exhibits enhanced heat transfer capabilities and provides efficient thermal management. The high thermal conductivity of special steel makes it highly desirable for various industries and applications. It is commonly used in the manufacturing of heat exchangers, boilers, furnaces, and other thermal equipment where efficient heat transfer is crucial. Additionally, special steel is often employed in electrical appliances, such as stovetops or induction cookers, where rapid and uniform heat distribution is necessary. In summary, special steel contributes to the thermal conductivity of products by utilizing specific alloying elements and advanced processing techniques to enhance its heat transfer capabilities. Its high thermal conductivity makes it a valuable material for various industries, ensuring efficient heat management and optimal performance of thermal equipment and appliances.
Q:
The composition of special steel significantly affects its mechanical properties. Various alloying elements such as carbon, manganese, chromium, nickel, and others are added in specific quantities to enhance the steel's strength, hardness, toughness, and corrosion resistance. The presence and ratio of these elements determine the steel's microstructure, which in turn determines its mechanical properties. For example, higher carbon content increases hardness and strength, while manganese improves toughness. Similarly, chromium and nickel increase corrosion resistance and provide better heat resistance. Therefore, the composition of special steel plays a crucial role in defining its mechanical properties.
Q:
Special steel plays a crucial role in the manufacturing of oil and gas equipment due to its unique properties and characteristics that make it suitable for the demanding conditions of the industry. Firstly, special steel is known for its high strength and durability, which is essential in the production of oil and gas equipment. Equipment such as drilling rigs, pipelines, and storage tanks are subjected to extreme pressures, corrosive environments, and harsh weather conditions. Special steel, with its superior mechanical properties, can withstand these conditions and ensure the reliable and long-lasting performance of the equipment. Additionally, special steel offers excellent resistance to corrosion and oxidation, which are prevalent in the oil and gas industry. The presence of corrosive substances and the exposure to high temperatures can cause regular steel to deteriorate quickly. However, special steel is specifically designed to resist corrosion, ensuring that the equipment remains functional and safe for use over its lifetime. Furthermore, special steel can withstand high temperatures and pressure differentials, making it suitable for applications such as heat exchangers and pressure vessels. These components are vital in various oil and gas processes, including refining and transportation. The ability of special steel to handle extreme temperatures and pressures ensures the efficiency and safety of these operations. Special steel also contributes to the manufacturing of oil and gas equipment by providing excellent weldability and machinability. This allows for ease of fabrication and assembly, reducing production time and costs. The versatility of special steel enables manufacturers to design and create complex equipment that meets the specific requirements of the oil and gas industry. In conclusion, special steel plays a crucial role in the manufacturing of oil and gas equipment by providing high strength, durability, corrosion resistance, and the ability to withstand extreme temperatures and pressures. Its unique properties ensure the reliability, safety, and longevity of the equipment, making it an indispensable material in the oil and gas industry.
Q:
Indeed, in the defense sector, special steel finds itself as a viable option. Special steel, which encompasses alloys or compositions designed with specific attributes such as high strength, hardness, resistance to corrosion, or heat resistance, proves to be suitable for a range of defense applications. These applications include the construction of armored vehicles, naval vessels, aircraft, and weaponry. Within the defense sector, special steel serves as a valuable resource for manufacturing components and structures necessitating exceptional strength and durability. For instance, it can be utilized to produce armor plates for tanks and armored vehicles, which must endure high impact and ballistic threats. Additionally, special steel can be employed in the construction of naval vessels, providing corrosion resistance and enhancing overall structural integrity. Furthermore, the defense industry heavily relies on special steel for manufacturing aircraft parts and weaponry. Aircraft components, such as landing gear, engine parts, and structural elements, demand materials of high strength to ensure safe and reliable operation. Special steel alloys fulfill this requirement by providing the necessary strength and resistance to extreme conditions, including high temperatures and pressures, making them an ideal choice for these applications. Moreover, special steel plays a vital role in the production of various types of weapons, such as firearms and blades. Its exceptional strength and hardness properties render it suitable for manufacturing gun barrels, bulletproof vests, and knives employed by military personnel. To summarize, special steel holds significant value within the defense sector due to its exceptional properties, including strength, hardness, corrosion resistance, and heat resistance. Its extensive applications in the construction of armored vehicles, naval vessels, aircraft, and weaponry ensure the safety, durability, and effectiveness of military equipment.
Q:
The mechanical properties of special steel are affected by several factors. Some of the key factors include the chemical composition of the steel, the heat treatment process, the presence of impurities or alloying elements, the microstructure of the steel, and the manufacturing process used. These factors can greatly influence the steel's strength, hardness, toughness, ductility, and corrosion resistance.
Q:
In order to ensure durability and performance in harsh marine environments, special steel used in marine applications must satisfy various specific criteria. These criteria encompass the following: 1. Corrosion resistance: To prevent degradation and maintain its structural integrity over time, special steel utilized in marine applications must possess a high resistance to corrosion, as it is exposed to saltwater in marine environments. 2. Strength and toughness: Steel employed in marine applications must exhibit adequate strength and toughness to withstand the dynamic forces and impacts encountered at sea. It must be capable of enduring heavy loads, extreme temperatures, and the impact of waves or collisions. 3. Weldability: Optimal weldability is a requirement for special steel used in marine applications, as it facilitates the construction and repair of marine structures. This characteristic ensures that the steel can be effortlessly joined without compromising its structural integrity. 4. Fatigue resistance: Special steel employed in marine applications must possess exceptional fatigue resistance to withstand the constant cyclic loading associated with wave motions, currents, and operational conditions. Failure to address this requirement can result in fatigue failure. 5. Low-temperature toughness: Due to the involvement of marine applications in cold climates or icy waters, special steel used in these scenarios must maintain its toughness and ductility even at low temperatures. This characteristic is pivotal in preventing brittle fracture and ensuring safety. 6. Fire resistance: High fire resistance is of utmost importance in marine applications. Therefore, special steel utilized in marine structures should possess a high level of fire resistance to prevent structural collapse and restrict the spread of fire. 7. Easy maintenance: Ongoing exposure to harsh environmental conditions necessitates that special steel used in marine applications be easy to maintain and repair. This ensures prolonged performance and minimizes downtime. To fulfill these requirements, special steel for marine applications frequently undergoes alloying with specific elements such as chromium, nickel, and molybdenum. This enhances corrosion resistance, strength, and toughness. Furthermore, advanced manufacturing processes and quality control measures are implemented to guarantee the highest standards of quality and performance in marine applications.
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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