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:Can special steel be used for making food processing equipment?: Yes, special steel can be used for making food processing equipment. Special steels such as stainless steel are commonly used in the food industry due to their corrosion resistance, hygienic properties, and ability to withstand high temperatures. These steels are suitable for equipment like mixers, tanks, conveyors, and cutting tools, ensuring safety and maintaining high standards of cleanliness in food processing facilities.

Q:How is special steel used in the telecommunications supply chain?: Special steel is used in the telecommunications supply chain for various applications. It is commonly used in the manufacturing of infrastructure components such as transmission towers, antenna supports, and cable trays. The high strength and durability of special steel make it suitable for withstanding extreme weather conditions and ensuring the stability and reliability of telecommunications networks. Additionally, special steel is also used in the production of cables, connectors, and other equipment that require corrosion resistance and electrical conductivity, contributing to the efficient transmission of signals in the telecommunications industry.

Q:How does the cost of special steel compare to regular steel?: The cost of special steel is generally higher than regular steel due to its unique properties, manufacturing processes, and limited availability.

Q:How is high-temperature stainless steel used in the production of gas turbines?: High-temperature stainless steel is used in the production of gas turbines due to its exceptional heat resistance and corrosion resistance properties. It is utilized to make critical components such as turbine blades, rotors, and casings that are exposed to extreme temperatures and harsh environments. This stainless steel helps gas turbines operate efficiently and reliably by withstanding high temperatures without losing strength or degrading, ultimately enhancing the performance and lifespan of gas turbines.

Q:How does special steel perform in defense applications?: Special steel performs exceptionally well in defense applications due to its high strength, durability, and resistance to extreme conditions. It offers superior protection against ballistic threats, corrosion, and impact, making it ideal for armor plating, military vehicles, and personal protective equipment. Additionally, special steel's ability to withstand high temperatures and maintain structural integrity ensures reliable performance in critical defense systems such as missiles, submarines, and aircraft carriers. Overall, special steel plays a crucial role in enhancing the safety and effectiveness of defense applications.

Q:What are the requirements for special steel used in railway applications?: The requirements for special steel used in railway applications are quite stringent due to the demanding nature of the industry. Here are some of the key requirements: 1. High strength and durability: Special steel used in railway applications must have excellent strength and durability to withstand the heavy loads and constant vibrations experienced by trains. This helps prevent deformation, fatigue, and failure of the steel components. 2. Wear resistance: Railway tracks and other components are subject to significant wear and tear due to the constant movement of trains. Special steel used in railway applications should have good wear resistance to ensure a longer service life and reduce maintenance costs. 3. Corrosion resistance: Railway tracks and structures are often exposed to various environmental conditions, such as rain, snow, and chemicals. Special steel used in railway applications should have high corrosion resistance to prevent rusting and degradation, ensuring the longevity of the components. 4. Fatigue resistance: Trains undergo repetitive loading cycles, leading to fatigue in the steel components. Special steel should have excellent fatigue resistance to prevent cracking and failure, thereby ensuring the safety and reliability of railway systems. 5. High impact toughness: Special steel used in railway applications must possess high impact toughness to absorb energy during sudden shocks or accidents. This helps prevent catastrophic failures and ensures the safety of passengers and railway personnel. 6. Heat resistance: In some railway applications, such as high-speed trains, steel components are exposed to high temperatures due to friction or other sources. Special steel should have good heat resistance to maintain its mechanical properties and structural integrity even under elevated temperatures. 7. Dimensional stability: Special steel used in railway applications should exhibit excellent dimensional stability to maintain the required tolerances and alignment of various components. This ensures smooth operation, reduces noise, and prevents excessive wear. These are some of the primary requirements for special steel used in railway applications. Meeting these requirements is crucial to ensure the safe, reliable, and efficient operation of railway systems.

Q:What are the different methods of surface carburizing for special steel?: Some of the different methods of surface carburizing for special steel include pack carburizing, gas carburizing, liquid carburizing, and plasma carburizing.

Q:What are the different passivation techniques used for special steel?: There are several passivation techniques used for special steel, including chemical passivation, electrochemical passivation, and mechanical passivation. Chemical passivation involves treating the steel surface with acids or other chemical solutions to remove impurities and create a passive film that protects against corrosion. Electrochemical passivation utilizes an electrical current to enhance the formation of the protective oxide layer. Mechanical passivation involves processes like abrasive blasting or grinding to remove contaminants and improve the surface finish. These techniques are commonly employed to enhance the corrosion resistance and durability of special steel.

Q:Can special steel be used in the jewelry industry?: Yes, special steel can be used in the jewelry industry. It is commonly used to create durable and stylish pieces, such as rings, bracelets, and pendants. Special steel, such as stainless steel or titanium, offers qualities like strength, corrosion resistance, and hypoallergenic properties, making it a popular choice for jewelry designers and wearers.

Q:What are the properties of heat-resistant steel?: Heat-resistant steel has several important properties. First, it has a high melting point, allowing it to withstand extremely high temperatures without melting or losing its structural integrity. Additionally, it exhibits excellent strength and toughness, ensuring that it can withstand mechanical stresses even at elevated temperatures. Heat-resistant steel also possesses good oxidation resistance, preventing it from reacting with oxygen and forming destructive oxides when exposed to high temperatures. Furthermore, it has low thermal expansion, which means it maintains its shape and dimensions even under extreme thermal conditions. Overall, these properties make heat-resistant steel highly suitable for applications involving high temperatures, such as in furnaces, boilers, and aerospace components.

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