Bearing Steel GCr15

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 50MT m.t.

Supply Capability:: 500000tons/YEAR m.t./month

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Specifications of Bearing Steel GCr15

1. Dimensional sizes: Thickness: 14~100mm.Length:3000~5800mm,Diameter :14-500mm

2.Chemical composition:

C	Si	Mn	Cr	Ni	Cu
			Equal or less than
0.95-1.05	0.15-0.35	0.20-0.40	Cr:1.30-1.65	0.30	0.25

3. Grade: SAE51200/ GCr15 / 100cr6

4. 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°C

5. Surface requirements: Black, grinding, bright, polish

6. Characters:

1) 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

7. Payment terms: T/T or L/C at sight

Usage & Applications of Bearing Steel GCr15

Our products have been used in all kinds of areas, such as aviation, aerospace, navigation, nuclear, energy, chemical industry, electronic information, petrochemical, automotive, instrument and meter, Communication ,transportation, and medical instruments, etc. Bearing ring,steel rolling mill ,machinery, 100Cr6 bearing steel ball is widely used in high-speed and low-noise bearing, bicycle, motorcycle, automobile, bags, electronics.

Packaging & Delivery of Bearing Steel GCr15

Mark: Heat No. will be cold stamped and Steel grade, diameter (mm), length (mm), and the manufacturer LOGO and weight (kg) is painted.

Standard seaworthy packing or as customer required

Delivery time: Within 30 days after order is confirmed.

steel bearing

bearing steel

Note:

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 electro-slag 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.

Q: How does stainless steel contribute to the automotive industry?: Stainless steel contributes to the automotive industry by providing superior strength, durability, and corrosion resistance. It is commonly used in the manufacturing of exhaust systems, body panels, and structural components, increasing the lifespan and safety of vehicles. Its high heat resistance also makes it ideal for engine parts, resulting in improved performance and efficiency.

Q: Can special steel be used in the telecommunications equipment manufacturing industry?: Yes, special steel can be used in the telecommunications equipment manufacturing industry. Special steel is known for its high strength, durability, and corrosion resistance, which are important factors for the telecommunications industry. It can be used in the manufacturing of various components such as antennas, transmitters, receivers, and cables, ensuring reliable and efficient communication networks.

Q: How is corrosion-resistant alloy steel used in the production of chemical processing equipment?: Corrosion-resistant alloy steel is used in the production of chemical processing equipment due to its ability to withstand the harsh chemical environments and resist corrosion. It is commonly used to manufacture pipes, tanks, valves, and other components that come into contact with corrosive substances. This type of steel helps ensure the longevity and reliability of the equipment, preventing leaks, contamination, and costly repairs or replacements.

Q: How does nitriding improve the wear resistance of special steel?: Nitriding improves the wear resistance of special steel by introducing nitrogen into the surface of the material, forming a hard layer of iron nitrides. This hard layer increases the surface hardness and reduces the friction between the material and other surfaces, resulting in enhanced resistance to wear and improved performance in high-stress environments.

Q: What are the different methods of measuring the hardness of special steel?: Measuring the hardness of special steel can be done using various methods. These methods can be divided into two main categories: destructive and non-destructive testing. 1. One widely used destructive testing method is the Rockwell Hardness Test. This method measures the depth of penetration of an indenter into the steel surface. It provides a hardness value based on the steel's resistance to indentation. The Rockwell hardness test is a simple and quick method that requires minimal sample preparation. 2. Another destructive testing method is the Brinell Hardness Test. This method involves applying a known load to a hardened steel ball and measuring the diameter of the resulting indentation on the steel surface. The hardness value is determined based on the ratio of the applied load to the surface area of the indentation. 3. The Vickers Hardness Test is a micro-indentation test that uses a diamond pyramid-shaped indenter. It measures the diagonal length of the indentation left on the steel surface and calculates the hardness value based on the applied load. 4. The Knoop Hardness Test, similar to the Vickers test, is a micro-indentation method using a diamond pyramid-shaped indenter. However, instead of measuring the diagonal length of the indentation, it measures the length of the long axis. This test is particularly useful for measuring the hardness of thin steel samples or steel coatings. 5. For non-destructive testing, the Ultrasonic Hardness Test analyzes the propagation of ultrasonic waves through the steel to determine its hardness. The hardness value is determined based on the correlation between the velocity of the waves and the steel's hardness. 6. The Magnetic Hardness Test is another non-destructive testing method that utilizes magnetic properties. It involves applying a magnetic field to the steel and measuring the magnetic response. The hardness value is determined based on the correlation between the magnetic response and the steel's hardness. It's important to consider that each method has its own advantages and limitations. The choice of method depends on factors such as the type of steel, required accuracy, sample size, and available equipment and expertise.

Q: How does special steel contribute to the manufacturing of cutting tools?: Due to its unique properties and characteristics, special steel plays a crucial role in the manufacturing of cutting tools. Tool steel, also known as special steel, exhibits high hardness, enabling it to withstand the tremendous forces and stress exerted during cutting operations, preventing quick deformation or wear of the cutting tools and ensuring their longevity and efficiency. In addition, special steel possesses excellent wear resistance, minimizing the wear and tear on the tools subjected to constant friction and abrasion. This improves the tool's lifespan, reducing the need for frequent replacements and enhancing cost-effectiveness in the manufacturing process. Furthermore, special steel offers superior heat resistance, maintaining its hardness and integrity even under high temperatures. This allows cutting tools to perform consistently and precisely, even in extreme heat conditions, preventing thermal degradation and loss of hardness. Moreover, special steel used in cutting tool manufacturing exhibits excellent toughness and strength, enabling the tools to endure heavy loads and impacts without fracturing or chipping. The combination of hardness, wear resistance, heat resistance, toughness, and strength provided by special steel ensures the durability and reliability of cutting tools, allowing them to perform efficiently and accurately. Overall, special steel significantly contributes to the manufacturing of cutting tools, providing the necessary properties to withstand demanding cutting conditions. Its high hardness, wear resistance, heat resistance, toughness, and strength ensure that cutting tools remain sharp, durable, and efficient, enhancing productivity and precision in various industries, including automotive, aerospace, and manufacturing.

Q: How does special steel contribute to the packaging industry?: Special steel contributes to the packaging industry by providing high strength, durability, and corrosion resistance, making it ideal for manufacturing packaging materials and machinery. It ensures the integrity and safety of packaging products, prevents damage during transportation, and extends the shelf life of perishable goods. Additionally, special steel's versatility allows for innovative packaging designs and customization, meeting the specific requirements and demands of different industries.

Q: Can special steel be used in the manufacturing of sports equipment?: Sports equipment can benefit from the use of special steel, which is a specific type of steel engineered to possess certain properties. These properties, including high strength, durability, corrosion and wear resistance, and the ability to withstand extreme conditions, make special steel suitable for various specialized applications. In the production of sports equipment, special steel can be utilized in different ways. For instance, it can be employed to create the shafts of golf clubs or tennis rackets. The high strength and stiffness of special steel are crucial for ensuring optimal performance in these items. Moreover, special steel can be used in the construction of bicycles, where its lightweight yet strong properties are highly desirable. Furthermore, special steel can be applied to manufacture accessories for sports equipment, such as hooks, buckles, or fasteners. These components often require high tensile strength and corrosion resistance, which can be provided by special steel. By using this type of steel, the longevity and reliability of the equipment can be ensured. In conclusion, special steel can be used in the manufacturing of sports equipment to enhance performance, durability, and overall quality. Its unique properties make it a suitable choice for improving various aspects of sports equipment.

Q: How does the microstructure of special steel affect its performance?: The microstructure of special steel plays a crucial role in determining its performance. It influences various mechanical properties such as strength, hardness, toughness, and wear resistance. By controlling the arrangement and size of the steel's grains, as well as the presence of any additional phases, manufacturers can tailor the material to meet specific requirements. For instance, a finer grain structure can enhance strength and hardness, while a uniform distribution of carbides can improve wear resistance. Consequently, optimizing the microstructure allows special steel to exhibit superior performance characteristics in specific applications.

Q: How is the hardness of special steel measured?: The hardness of special steel is typically measured using methods such as Rockwell, Brinell, or Vickers hardness tests, which involve indenting the steel surface with a known force and measuring the resulting indentation size.

REDMETAL,a well-known enterprise specializing in the production and sales of spring steel and bearing steel. Since the establishment of our company, we have been aimed to provide the customers with qualify and cheap product and the satisfatory service.

1. Manufacturer Overview

Location	Jiangsu, China
Year Established	1990
Annual Output Value	Above US$ 20 Million
Main Markets	Mid East; Eastern Europe; North America
Company Certifications

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port	Shanghai
Export Percentage	20% - 30%
No.of Employees in Trade Department	21-50 People
Language Spoken:	English; Chinese
b) Factory Information
Factory Size:	Above 100,000 square meters
No. of Production Lines	1
Contract Manufacturing	OEM Service Offered;
Product Price Range	High; Average