Grade SAE52100 CNBM Bearing Steel Round Bar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t
- Supply Capability:
- 10000 m.t/month
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Specification
Type:
Bearing Steel
Shape:
Steel Round Bar
Specification of Round Bar
1, Dimention of 52100 Alloy Steel | ||||||||
| Round bar | Diameter(mm) | Length (mm) | ||||||
| 20~800 | 3000~9000 | |||||||
| Plate | Thickness(mm) | Width (mm) | Length (mm) | |||||
| Max:800 | Max:2200 | Max:9000 | ||||||
| The specification can be customized. | ||||||||
| 2, Chemical Compositions (%) | ||||||||
| Grade | C | Si | Mn | P | S | Cr | Mo | Ni |
| GCr15 | 0.95-1.05 | 0.15-0.35 | 0.25-0.45 | ≤0.025 | ≤0.025 | 1.40-1.65 | ≤0.10 | ≤0.30 |
| E52100 | 0.93-1.05 | 0.15-0.35 | 0.25-0.45 | ≤0.025 | ≤0.015 | 1.35-1.60 | ≤0.10 | ≤0.25 |
| SUJ2 | 0.95-1.10 | 0.15-0.35 | ≤0.50 | ≤0.025 | ≤0.025 | 1.30-1.60 | ≤0.08 | ≤0.25 |
| 100Cr6 | 0.93-1.05 | 0.15-0.35 | 0.25-0.45 | ≤0.025 | ≤0.015 | 1.35-1.60 | 0.1 | |
| 3, Features of 52100 alloy steel | ||||||||
| 1, High carbon alloy steel | ||||||||
| 2, High degree of hardness | ||||||||
| 3, Good compressive strength and abrasion resistance | ||||||||
| 4, Typical Applications | ||||||||
| 1, Taps, gauges, swaging dies, ejector pins | ||||||||
| 2, Ball and roller bearings | ||||||||
| 3, Machine parts and for press tools | ||||||||
Our Featured Products
Alloy steel: Combination of steel / Bearing steel// Spring steel/ Cr- mo steel
GB 20Cr/ 40Cr / 42CrMo / 35CrMo/ 20CrMn/GCr15/30CrMnTi…
ASTM 5120 /5140 / 4140/ 4135/ 5152/52100…
JIS SCr420H/ SCr440/ SCM3/ SUP9/SUJ2…
Carbon steel: Carbon tool steel /Carbon Structural Steel
GB 20/ 35 /45/…
ASTM 1020/ 1030/1045…
JIS S20C/ S30C / S45C…
Usage and Applications of Round Bar
1. Chinese standard steel bar is often used where large amounts of steel need to be formed, for example as structural steel.
2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.
3. Steel round bar is used in construction and a large number of architectural and engineering structures.
Packaging & Delivery of Round Bar
Packaging Detail: All goods are packed in bundle with steel strips and shipped by break bulk vessel or container (depend on target market and different ports)
Delivery Detail: 15~45 days
Trade terms: FOB, CFR, CIF
MOQ: 25 metric tons per specification; we can negotiate the quantity if the specification is normal or we have stock of one specification.
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 and the situation of the port of destination.
Documents given: Full set of original clean on board bill of lading; Original signed commercial invoice; Original packing list; Policy of insurance; Certificate of origin and what the target market needs.
Production Flow of Round Bar
1. The common processes are preheated forging quenching, dual refinement solution process, cooling quenching and isothermal quenching. We use heat treatment for dual refinement solution process.
2. Material prepare (billet) — heat up — rough rolling — precision rolling — cooling — packing — storage and transportation
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: How do we guarantee the quality of our products?
A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
Q3: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.
Q4: What makes stainless steel stainless?
A4: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.
Q5: Can stainless steel rust?
A5: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.
- Q: What are the different methods for improving the machinability of special steel?
- To enhance the machinability of special steel, there exist various techniques that can be employed: 1. Alloying: Incorporating alloying elements into the steel is one approach. These elements aid in improving machinability by decreasing hardness and enhancing the material's ability to break chips. Common alloying elements include sulfur, lead, and selenium. 2. Heat treatment: Subjecting the steel to specific heat treatment processes is another method. For instance, annealing the steel can impart a softer texture, making it easier to machine. Likewise, tempering can enhance machinability by reducing hardness and increasing toughness. 3. Cutting fluids: The utilization of appropriate cutting fluids during machining can significantly enhance machinability. These fluids act as coolants, minimizing heat generated during cutting, lubricating the cutting tool, and consequently reducing friction while improving chip evacuation. 4. Tool selection: Selecting the correct cutting tool for the specific steel being machined is critical for improving machinability. Tools with suitable coatings, geometries, and cutting parameters can reduce cutting forces, enhance chip control, and improve overall machining efficiency. 5. Decreased cutting speeds: Lowering cutting speeds can contribute to improved machinability of special steel. This can be achieved by reducing the feed rate or spindle speed. However, it is essential to ensure that the cutting speed remains within the recommended range to avoid adverse effects on tool life and productivity. 6. Pre-machining operations: Executing pre-machining operations such as forging, extrusion, or rolling can refine the steel's microstructure, rendering it more suitable for subsequent machining processes. These operations aid in breaking down large grains, enhancing homogeneity, and reducing overall material hardness. 7. Surface treatments: Implementing surface treatments, like coatings or platings, can augment the machinability of special steel. These treatments enhance tool wear resistance, reduce friction, and promote better chip flow, ultimately leading to improved machining performance. It is important to note that the choice of method or combination of methods utilized to enhance machinability will depend on the specific type of special steel being machined, the desired outcomes, and the available resources. It is advisable to consult experts or conduct comprehensive research to determine the most appropriate approach for a particular application.
- Q: How is stainless tool steel used in the manufacturing of surgical instruments?
- Stainless tool steel is commonly used in the manufacturing of surgical instruments due to its desirable properties such as high corrosion resistance, durability, and ease of sterilization. It provides the necessary strength and precision required for surgical tools, ensuring their longevity and performance in various medical procedures. Additionally, stainless tool steel can withstand repeated exposure to sterilization methods like autoclaving, making it a reliable choice for surgical instrument manufacturing.
- Q: What are the different surface hardening techniques for special steel?
- There are several surface hardening techniques that can be used for special steel to enhance its mechanical properties and improve its wear resistance. These techniques include: 1. Case hardening: This method involves introducing carbon or nitrogen into the surface of the steel through diffusion. The steel is heated in the presence of a carbon-rich or nitrogen-rich environment, causing the carbon or nitrogen atoms to diffuse into the surface layer. This process forms a hardened case while maintaining a tough core. 2. Nitriding: Nitriding is a surface hardening process that involves the diffusion of nitrogen into the steel. The steel is placed in a nitrogen-rich environment at elevated temperatures, forming a hardened surface layer with improved wear resistance and corrosion resistance. 3. Carburizing: Carburizing is a process that involves introducing carbon into the surface of the steel. The steel is heated in a carbon-rich environment, allowing the carbon atoms to diffuse into the surface layer. This forms a hardened case with increased hardness and wear resistance. 4. Induction hardening: Induction hardening is a localized surface hardening technique. The steel is heated using an induction coil, and then rapidly quenched. This process results in a hardened surface layer with high hardness and improved wear resistance. 5. Flame hardening: Flame hardening is another localized surface hardening method. The steel surface is heated using a high-temperature flame and then quickly quenched. This technique produces a hardened surface layer with increased hardness and wear resistance. 6. Laser hardening: Laser hardening is a precise and localized surface hardening technique. A laser beam is used to heat the desired area of the steel, followed by rapid quenching. This process forms a hardened surface layer with enhanced mechanical properties. These surface hardening techniques for special steel can significantly improve its durability, strength, and resistance to wear and corrosion, making it suitable for various industrial applications. The selection of the most appropriate technique depends on factors such as the desired hardness level, the complexity of the steel component, and the specific requirements of the application.
- Q: What are the typical mechanical properties of special steel?
- The typical mechanical properties of special steel may vary depending on the specific grade and composition of the steel, but there are some general characteristics that can be expected. Special steels are often designed to have enhanced properties compared to standard carbon steels, making them suitable for specific applications that require superior strength, hardness, or resistance to wear and corrosion. One of the key mechanical properties of special steel is its high tensile strength. Special steels are typically engineered to have higher strength levels than standard steels, enabling them to withstand heavy loads and stresses without deformation or failure. This makes them ideal for use in industries such as construction, automotive, and aerospace, where structural integrity is crucial. Special steels also exhibit excellent hardness, which is a measure of a material's resistance to permanent indentation or scratching. This property is often achieved through alloying elements and heat treatment processes that increase the steel's ability to resist wear and abrasion. Consequently, special steels are commonly used in tools, cutting equipment, and machinery components that are subjected to severe wear conditions. Moreover, special steel alloys can possess exceptional toughness, which refers to the material's ability to absorb energy and resist fracture under impact or sudden loading. This is particularly important in applications where impact resistance is vital, such as in the manufacturing of heavy-duty machinery or structures subjected to dynamic loads. In addition to strength, hardness, and toughness, special steels may also exhibit improved corrosion resistance compared to standard steels. This is achieved by incorporating alloying elements such as chromium, nickel, or molybdenum, which create a protective oxide layer on the surface of the steel, preventing or slowing down the process of corrosion. This property is highly desirable in industries that deal with corrosive environments, such as marine, oil and gas, and chemical processing. In summary, the typical mechanical properties of special steel include high tensile strength, excellent hardness, exceptional toughness, and improved corrosion resistance. These properties enable special steels to excel in various applications where superior performance is required, making them essential in numerous industries around the world.
- Q: How does special steel perform in high-velocity impact conditions?
- Special steel is specifically designed to perform well in high-velocity impact conditions. It possesses exceptional strength and toughness, allowing it to withstand the intense forces exerted during such impacts. The unique composition and heat treatment of special steel enable it to absorb and distribute the energy generated by the impact, minimizing deformation and potential damage. Overall, special steel demonstrates excellent performance and reliability in high-velocity impact conditions.
- Q: How is martensitic steel used in knife making?
- Martensitic steel is widely used in knife making due to its excellent hardness, strength, and ability to hold a sharp edge. This type of steel undergoes a specific heat treatment process called quenching, which transforms its microstructure, resulting in a hard and durable blade. The high carbon content in martensitic steel enables it to be heat-treated to achieve different levels of hardness, tailored to specific knife requirements. Additionally, martensitic steel offers good corrosion resistance, making it an ideal choice for various knife applications, from everyday kitchen knives to high-performance hunting or tactical knives.
- Q: How does special steel contribute to the transportation equipment industry?
- Special steel plays a crucial role in the transportation equipment industry by providing high strength, durability, and resistance to wear and corrosion. It allows for the construction of lighter yet stronger components, leading to improved fuel efficiency, increased payload capacity, and enhanced safety in vehicles. Additionally, special steel enables the production of precision parts and components, ensuring the reliability and performance of transportation equipment.
- Q: How does special steel contribute to the automotive parts industry?
- Special steel plays a crucial role in the automotive parts industry by providing enhanced strength, durability, and performance to various components used in vehicles. With its unique properties, special steel helps in improving the overall safety, reliability, and efficiency of automobiles. One of the key contributions of special steel to the automotive parts industry is its ability to withstand high temperatures, pressures, and extreme conditions. This makes it ideal for manufacturing engine parts such as crankshafts, camshafts, and connecting rods, which are subject to intense mechanical stress and heat. Special steel ensures that these critical components can endure the demanding conditions of combustion engines, resulting in improved engine performance and longevity. Another significant contribution of special steel is its corrosion resistance. Automotive parts are exposed to various corrosive elements like moisture, chemicals, and road salt. Special steel enables the production of corrosion-resistant parts such as exhaust systems, suspension components, and brake rotors, which are vital for maintaining the structural integrity and safety of vehicles over time. Moreover, special steel offers exceptional formability and weldability, allowing manufacturers to produce complex automotive parts with precision and ease. This versatility makes it possible to create lightweight yet strong components like chassis, body panels, and suspension arms, which contribute to fuel efficiency, handling, and overall vehicle performance. Furthermore, special steel's high tensile strength and toughness contribute to the safety of vehicles by ensuring the structural integrity of safety-critical parts such as steering columns, seat frames, and roll bars. These components play a vital role in protecting occupants during accidents and collisions, making special steel an essential material for enhancing overall vehicle safety. In conclusion, special steel's unique properties and characteristics significantly contribute to the automotive parts industry. Its strength, durability, corrosion resistance, formability, and weldability make it an ideal material for manufacturing critical components in automobiles. By incorporating special steel into various parts, vehicles can achieve improved performance, safety, and reliability while meeting the demands of modern automotive standards.
- Q: What are the applications of special steel in the medical field?
- The medical field benefits greatly from the unique properties and characteristics of special steel, which has a wide range of applications. Surgical instruments are one major area where special steel, such as stainless steel, is extensively used. These instruments, including scalpels, forceps, scissors, and surgical needles, require strength, durability, and resistance to corrosion. Special steel provides the necessary qualities to ensure these instruments maintain their sharpness and integrity even after repeated use and sterilization. Another important application of special steel in healthcare is the production of implants and prosthetics. Various special steel alloys, such as titanium alloys, cobalt-chromium alloys, and nickel-titanium alloys, are commonly employed to manufacture orthopedic and dental implants, as well as other medical devices. These alloys possess excellent biocompatibility, corrosion resistance, and mechanical strength, which make them ideal for long-term implantation within the human body. Special steel also plays a crucial role in the construction of medical equipment and machinery. Diagnostic machines like MRI scanners and X-ray machines often incorporate special steel components due to their magnetic properties and ability to withstand high temperatures. By utilizing special steel, the accuracy, reliability, and safety of these devices are ensured. Furthermore, special steel is used 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. The use of special steel in these systems guarantees durability, hygiene, and a long lifespan. Special steel is easy to clean, resistant to contamination, and maintains its quality over time. In conclusion, special steel is extensively utilized in the medical field for a variety of purposes. From surgical instruments to implants, medical equipment to storage systems, special steel is an essential material that contributes to the effectiveness, reliability, and safety of medical procedures and treatments. Its unique properties make it an indispensable resource in the healthcare industry.
- Q: What are the applications of high-strength low-alloy (HSLA) steel?
- High-strength low-alloy (HSLA) steel finds applications in various industries such as automotive, construction, and manufacturing. It is commonly used in the production of heavy machinery, bridges, pipelines, and offshore structures due to its excellent strength, toughness, and corrosion resistance. Additionally, HSLA steel is favored in the automotive industry for manufacturing lightweight yet durable components, enhancing fuel efficiency and overall vehicle performance.
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Grade SAE52100 CNBM Bearing Steel Round Bar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t
- Supply Capability:
- 10000 m.t/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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