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
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 coating materials used for special steel?
- There are several different coating materials that are commonly used for special steel. Some of these include zinc, aluminum, nickel, and various types of polymer coatings. These coatings are applied to the steel to provide protection against corrosion, improve aesthetics, enhance wear resistance, or facilitate better adhesion for subsequent paint applications. The choice of coating material depends on the specific requirements and intended use of the special steel.
- Q: How does special steel perform in cryogenic creep resistance?
- Special steel is renowned for its outstanding capability to resist cryogenic creep. Cryogenic creep refers to the deformation that materials undergo under constant stress in extremely low temperatures. Unlike other materials, special steel demonstrates superior resistance to this type of deformation, thanks to its distinct composition and manufacturing processes. The frigid environment encountered in cryogenic applications can weaken conventional materials and render them more susceptible to creep deformation. Nevertheless, special steel is purposefully designed to withstand these demanding conditions. Its composition typically contains a higher proportion of alloying elements, such as nickel, chromium, and molybdenum, which enhance its mechanical properties and bolster its resistance to cryogenic creep. Additionally, special steel undergoes meticulous heat treatment and processing techniques to optimize its microstructure and fortify its grain boundaries. Consequently, the resulting material possesses improved strength, toughness, and resistance to creep deformation, even at extremely low temperatures. The exceptional performance of special steel in cryogenic creep resistance renders it highly suitable for applications involving the storage, transportation, or processing of materials at cryogenic temperatures. Industries such as aerospace, energy, and scientific research heavily rely on special steel to construct cryogenic storage tanks, superconducting magnets, cryogenic valves, and more. To conclude, special steel's remarkable performance in resisting cryogenic creep can be attributed to its unique composition, heat treatment, and processing techniques. Its ability to maintain its mechanical properties and withstand deformation at extremely low temperatures makes it an ideal choice for various cryogenic applications.
- Q: How is special steel used in the production of gears?
- Special steel is used in the production of gears due to its high strength, durability, and resistance to wear and fatigue. It provides the necessary toughness and hardness required to withstand the stresses and loads that gears experience during operation. Additionally, special steel can be heat treated to enhance its properties, ensuring precise dimensions and improving the overall performance and lifespan of gears.
- Q: How does special steel perform in forging applications?
- Special steel is highly valued in forging applications due to its remarkable strength, durability, and ability to withstand wear and tear. The exceptional properties of special steel, such as its high tensile strength, heat resistance, and resistance to corrosion, make it an ideal option for enduring the extreme conditions involved in forging processes. When exposed to the intense heat and pressure of forging, special steel maintains its structural integrity and mechanical properties. It can endure extreme temperature fluctuations without losing its hardness or becoming brittle, guaranteeing that the final forged product is of superior quality and reliability. Moreover, special steel offers excellent machinability and formability, enabling it to be easily shaped and manipulated during the forging process. This ease of working with special steel empowers manufacturers to create intricate and complex shapes, resulting in finely crafted forged components. Special steel also demonstrates exceptional resistance to fatigue and impact, making it highly suitable for applications that require high strength and toughness. It can endure repeated stress and load cycles without experiencing significant deformation or failure, ensuring the longevity and dependability of forged products. Additionally, special steel is renowned for its resistance to corrosion and oxidation, further enhancing its suitability for forging applications. It can withstand exposure to harsh environments, chemicals, and moisture, making it ideal for manufacturing components subjected to demanding operating conditions. Overall, special steel's outstanding performance in forging applications can be attributed to its high strength, durability, resistance to wear and tear, excellent machinability, and corrosion resistance. These properties establish it as a preferred choice in various industries, including automotive, aerospace, construction, and oil and gas, where reliable and efficient operations rely on high-quality forged components.
- Q: What are the different coating techniques used for special steel?
- Some of the different coating techniques used for special steel include hot-dip galvanizing, electroplating, powder coating, and metallizing.
- Q: How does special steel contribute to reducing greenhouse gas emissions?
- Special steel can contribute to reducing greenhouse gas emissions in several ways. Firstly, it can be used in the manufacturing of more energy-efficient vehicles, which emit lower levels of carbon dioxide during operation. Additionally, special steel can be utilized in the production of renewable energy infrastructure, such as wind turbines and solar panels, which helps reduce reliance on fossil fuels. Furthermore, special steel is often employed in the construction of energy-efficient buildings, which require less energy for heating and cooling, thus lowering overall emissions. Overall, the use of special steel in various applications plays a significant role in the reduction of greenhouse gas emissions and the transition to a more sustainable future.
- Q: How does precipitation hardening enhance the strength of special steel?
- Precipitation hardening, also known as age hardening, is a heat treatment process that enhances the strength of special steel alloys. This process involves a series of steps that result in the formation of fine particles or precipitates within the material's microstructure. The strength of special steel is primarily determined by the arrangement and interaction of its atoms. In its initial state, the alloy's atoms are distributed randomly, resulting in a relatively soft and ductile material. However, through precipitation hardening, the formation of precipitates during heat treatment plays a crucial role in strengthening the steel. The process begins by heating the steel to a high temperature, known as solution treatment or aging temperature. This temperature allows the atoms to dissolve and form a solid solution. The alloy is then rapidly cooled to retain the supersaturated state of the solution. Following the rapid cooling, the steel is subjected to a lower temperature, known as aging temperature. At this stage, the dissolved atoms begin to migrate and cluster together, forming small precipitates within the material's microstructure. These precipitates act as obstacles to the movement of dislocations, which are the primary carriers of plastic deformation in metals. The presence of these precipitates hinders the dislocation movement, making it more difficult for them to glide through the crystal lattice. As a result, the strength of the steel is significantly enhanced. The dislocation obstacles provided by the precipitates increase the resistance to deformation, resulting in improved hardness and strength. Furthermore, the size, distribution, and homogeneity of the precipitates play a crucial role in determining the strength enhancement. Smaller and more uniform precipitates provide a higher density of obstacles, leading to a greater strengthening effect. Additionally, the precipitation hardening process also influences other material properties, such as corrosion resistance and toughness. In conclusion, precipitation hardening enhances the strength of special steel by creating fine precipitates within the material's microstructure. These precipitates act as obstacles to dislocation movement, increasing the resistance to deformation and resulting in improved hardness and strength. This heat treatment process plays a crucial role in the development of high-performance special steel alloys used in various industries.
- Q: How does special steel contribute to sustainability?
- Special steel contributes to sustainability in several ways. Firstly, it is highly durable and has a longer lifespan compared to traditional steel, reducing the need for frequent replacements and minimizing waste. Additionally, special steel can be recycled and reused multiple times without losing its properties, reducing the demand for new raw materials and energy consumption in the production process. Furthermore, special steel offers superior strength and lightweight characteristics, enabling the development of more fuel-efficient vehicles and structures, thus reducing carbon emissions. Overall, special steel's durability, recyclability, and energy efficiency make it a key material in promoting sustainable practices in various industries.
- Q: What are the properties of mold steel?
- Mold steel is known for its exceptional hardness, wear resistance, and toughness. It possesses high heat resistance and can withstand extreme temperatures, making it suitable for use in industrial applications where molds are subjected to repetitive heating and cooling cycles. Mold steel also exhibits good dimensional stability, allowing for the precise replication of complex shapes and intricate details. Additionally, it has excellent machinability and polishability, ensuring smooth surface finishes on the molded products. Overall, the properties of mold steel make it an ideal material choice for manufacturing high-quality molds used in various industries such as automotive, aerospace, and consumer goods.
- Q: What are the different surface hardening grades of special steel?
- There are several different surface hardening grades of special steel, each designed to provide specific characteristics and properties. Some of the commonly used grades include: 1. Case-hardening steels: These grades are typically low carbon steels that are designed to develop a hard outer layer, or case, while maintaining a softer core. This is achieved through processes like carburizing or nitriding, which introduce carbon or nitrogen into the surface of the steel. Case-hardening steels are often used in applications where wear resistance and toughness are required. 2. Tool steels: These grades are specifically designed for use in cutting, forming, and shaping tools. Tool steels are known for their high hardness, resistance to wear, and ability to retain their cutting edge even at elevated temperatures. Various types of tool steels are available, such as high-speed steel (HSS), hot work steel, cold work steel, and plastic mold steel, each suitable for specific applications. 3. Stainless steels: These grades of special steel contain a minimum of 10.5% chromium, which provides excellent corrosion resistance. Stainless steels can be hardened through processes like precipitation hardening or martensitic transformation. They are commonly used in industries such as food processing, chemical, and medical, where resistance to corrosion and high temperatures are crucial. 4. High-strength steels: These grades are designed to provide exceptional strength and toughness. They often contain alloying elements like manganese, chromium, or nickel to enhance their mechanical properties. High-strength steels are commonly used in structural applications, automotive components, and heavy machinery. 5. Maraging steels: These grades of special steel are known for their high strength, toughness, and excellent resistance to fracture. Maraging steels achieve their properties through a unique aging process, which involves a precipitation-hardening treatment. They find applications in aerospace, defense, and tooling industries. 6. Bearing steels: These grades are specifically formulated to provide excellent wear resistance and durability for use in bearing applications. Bearing steels often contain alloying elements like chromium, molybdenum, and vanadium to enhance their mechanical properties and resistance to fatigue. These are just a few examples of the different surface hardening grades of special steel. Each grade offers unique properties and characteristics, allowing for a wide range of applications in various industries.
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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
OKorder Financial Service
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