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: Does special steel require special machining techniques?: Yes, special steel often requires special machining techniques due to its unique properties and characteristics. Special steels can have higher hardness, greater strength, improved corrosion resistance, or other desirable attributes that make them more challenging to machine compared to regular steels. Specialized cutting tools, machining parameters, and techniques may be necessary to achieve the desired precision, surface finish, and dimensional accuracy during the machining process.

Q: What are the disadvantages of using special steel?: One of the main disadvantages of using special steel is its high cost. Special steel is typically more expensive to produce and purchase compared to regular steel. Additionally, the production process for special steel often requires specific techniques and equipment, which can further increase costs. Another disadvantage is the limited availability of special steel. It may not be readily accessible in all regions, leading to longer lead times and potential supply chain issues. Moreover, special steel may have lower formability and machinability compared to regular steel, making it more challenging to work with and shape as needed.

Q: How does special steel contribute to improving product efficiency?: Special steel contributes to improving product efficiency in several ways. Firstly, special steel has excellent strength and durability properties, allowing products to withstand higher stress levels and operate reliably under demanding conditions. This enables manufacturers to design more efficient and compact products, reducing weight and space requirements. Secondly, special steel can have superior corrosion resistance, ensuring longer product lifespan and reducing maintenance needs. Additionally, special steel can offer enhanced heat resistance and conductivity, allowing for more efficient energy transfer and utilization in various applications. Overall, the use of special steel enables the production of more efficient and high-performing products across different industries.

Q: How is special steel heat treated?: Special steel is heat treated using a combination of heating and cooling processes to improve its strength, hardness, and other desired properties. This typically involves heating the steel to a specific temperature, known as the austenitizing temperature, followed by rapid cooling, known as quenching, to transform the steel's microstructure. This is then followed by tempering, where the steel is reheated to a lower temperature to relieve internal stresses and further enhance its mechanical properties. The specific heat treatment process and parameters vary depending on the type of special steel and the desired final properties.

Q: What are the different methods of surface etching for special steel?: Some of the different methods of surface etching for special steel include chemical etching, electrochemical etching, and laser etching. Chemical etching involves using a specific chemical solution or acid to selectively remove material from the surface of the steel, creating a desired pattern or design. Electrochemical etching, also known as electroetching or electrolytic etching, utilizes an electric current to dissolve the surface of the steel and create the desired etched pattern. Laser etching, on the other hand, employs a high-powered laser beam to remove material from the surface of the steel, resulting in a precise and intricate etched design. Each method has its own advantages and suitability depending on the specific requirements and characteristics of the special steel being etched.

Q: What are the limitations of special steel in certain applications?: The limitations of special steel in certain applications include its high cost compared to regular steel, limited availability, and the need for specialized manufacturing processes. Additionally, special steel may not be suitable for applications requiring high temperature resistance or extreme corrosion resistance, as other materials like stainless steel or alloys might be more suitable.

Q: What are the main applications of special steel in the chemical processing industry?: Special steel is widely used in the chemical processing industry due to its exceptional properties such as corrosion resistance, high strength, and heat resistance. It finds applications in various components and equipment such as reactors, heat exchangers, pipes, valves, and fittings. These materials are crucial for handling corrosive chemicals, withstanding high temperatures and pressures, and ensuring the integrity and safety of chemical processing operations.

Q: How does special steel perform in dynamic loading conditions?: Thanks to its high strength, toughness, and fatigue resistance, special steel excels in dynamic loading scenarios. When exposed to repeated and fluctuating stresses, special steel can endure the impact and maintain its mechanical properties without any setbacks or distortions. The distinct composition and processing techniques employed in the production of special steel, including the addition of alloying elements and heat treatment, significantly bolster its ability to withstand dynamic loading. Consequently, special steel proves to be an optimal material for applications that involve dynamic forces, such as automotive components, machinery parts, and structural elements utilized in construction. The exceptional performance of special steel under dynamic loading conditions guarantees durability, reliability, and safety across various industries.

Q: Can special steel be used in the textile industry?: Yes, special steel can be used in the textile industry. Special steel, such as stainless steel, can be utilized in various textile machinery components like needles, pins, and cutting tools due to its durability, corrosion resistance, and high strength. Additionally, special steel wire can be used in weaving, knitting, and braiding processes to enhance the strength and performance of textile products.

Q: What are the applications of special steel in the medical field?: Special steel has various applications in the medical field due to its unique properties and characteristics. One of the primary applications of special steel in the medical field is in the manufacturing of surgical instruments. Special steel, such as stainless steel, is widely used to produce sharp, durable, and corrosion-resistant surgical instruments like scalpels, forceps, scissors, and surgical needles. These instruments need to be strong enough to withstand repeated use and sterilization without losing their sharpness or integrity, and special steel provides the necessary strength and durability. Another important application of special steel in the medical field is in the production of implants and prosthetics. Special steel alloys, including titanium alloys, cobalt-chromium alloys, and nickel-titanium alloys, are commonly used to manufacture orthopedic implants, dental implants, and various other medical devices. These alloys offer excellent biocompatibility, corrosion resistance, and mechanical strength, making them ideal for long-term implantation in the human body. Additionally, special steel is used in the construction of medical equipment and machinery. Diagnostic machines like MRI scanners and X-ray machines often utilize special steel components due to their magnetic properties and ability to withstand high temperatures. The use of special steel in medical equipment ensures the accuracy, reliability, and safety of these devices. Furthermore, special steel is employed in the manufacturing of medical storage and transportation systems. Steel cabinets, trolleys, and containers are commonly used to store and transport medical supplies, instruments, and samples. Special steel ensures the durability and hygiene of these storage systems, as it is easy to clean, resistant to contamination, and has a long lifespan. In conclusion, the applications of special steel in the medical field are extensive and diverse. From surgical instruments to implants, medical equipment to storage systems, special steel plays a vital role in ensuring the effectiveness, reliability, and safety of medical procedures and treatments. Its unique properties make it an indispensable material in the healthcare industry.

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