Grade AISI52100/JIS52100 Bearing Steel Round Bar
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- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 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 |
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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: 30 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.
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:Can special steel be used in the aerospace industry?
- Yes, special steel can be used in the aerospace industry. Special steel alloys, such as stainless steel and titanium alloys, possess excellent strength, corrosion resistance, and heat resistance properties required for aircraft components. These materials are commonly used in critical applications like engine parts, landing gears, and structural components to ensure high performance and safety in aerospace operations.
- Q:How does corrosion-resistant steel protect against chemical attacks?
- Corrosion-resistant steel protects against chemical attacks by forming a protective layer on its surface, which acts as a barrier between the steel and the corrosive substances. This layer, typically composed of chromium oxide, is highly stable and prevents the steel from direct contact with chemicals, thus reducing the likelihood of corrosion.
- Q:What industries commonly use special steel?
- Special steel, also known as alloy steel, is widely used in various industries due to its exceptional properties and performance characteristics. Some of the industries that commonly utilize special steel include: 1. Automotive Industry: Special steel is extensively used in the manufacturing of components for automobiles, such as crankshafts, camshafts, gears, and axles. Its high strength, durability, and excellent heat resistance make it ideal for withstanding the demanding conditions of the automotive sector. 2. Aerospace Industry: Special steel finds applications in the aerospace industry for manufacturing critical components like turbine blades, landing gear, and structural parts. Its ability to withstand high temperatures and maintain structural integrity under extreme conditions is crucial for aerospace applications. 3. Oil and Gas Industry: Special steel is vital in the oil and gas sector for applications like drill bits, valves, pipelines, and offshore platform components. Its corrosion resistance, high strength, and resistance to extreme temperatures and pressures make it suitable for these demanding environments. 4. Construction Industry: In the construction industry, special steel is used in the fabrication of structural components, reinforcement bars, and high-rise building frameworks. Its high tensile strength, toughness, and resistance to wear and tear ensure the safety and stability of the structures. 5. Tool and Die Industry: Special steel is widely used in the tool and die sector for manufacturing cutting tools, molds, dies, and various machine components. Its ability to retain sharpness, resist deformation, and withstand high pressures and temperatures make it indispensable for these applications. 6. Energy Industry: Special steel is extensively used in power generation plants, including nuclear, thermal, and renewable energy facilities. It is used for manufacturing turbines, boilers, heat exchangers, and other critical components due to its high temperature and corrosion resistance properties. 7. Medical Industry: Special steel plays a crucial role in the medical field, especially in surgical instruments and implants. Its biocompatibility, strength, and resistance to corrosion make it suitable for applications like joint replacements, dental instruments, and surgical cutting tools. 8. Manufacturing Industry: Special steel is widely used in various manufacturing processes, such as machining, forging, and casting. It is employed in the production of machine tools, industrial equipment, and heavy machinery components due to its high strength, toughness, and versatility. These are just a few examples of the industries that commonly utilize special steel. Its unique properties make it an essential material for a wide range of applications, where strength, durability, heat resistance, and corrosion resistance are critical factors.
- Q:What are the thermal conductivity properties of special steel?
- The thermal conductivity properties of special steels, also known as alloy steels, can differ based on their composition and specific heat treatment. The range of thermal conductivity for special steel is generally between 10 and 50 W/mK. The carbon content, alloying elements, and microstructure primarily influence the thermal conductivity of steel. Carbon acts as a thermal conductor, thus increasing the thermal conductivity of steel. However, alloying elements like chromium, nickel, and molybdenum have lower thermal conductivity than iron, which can reduce the thermal conductivity of steel. Furthermore, the microstructure of special steel plays a crucial role in determining its thermal conductivity. Heat treatments like quenching and tempering can modify the microstructure, thereby affecting the thermal conductivity. For instance, steels with higher carbon content and a martensitic microstructure generally have higher thermal conductivity compared to steels with lower carbon content and a ferritic or pearlitic microstructure. It is important to consider that factors such as impurities, grain size, and the presence of defects can also influence the thermal conductivity of special steel, either enhancing or reducing it. In conclusion, the thermal conductivity properties of special steel can vary depending on its composition, heat treatment, and microstructure. Therefore, it is crucial to take these factors into account when evaluating the thermal conductivity of special steel for specific applications.
- Q:What are the different non-destructive testing techniques used for special steel?
- There are several non-destructive testing (NDT) techniques that are commonly used for special steel to ensure its quality and integrity without causing any damage. These techniques are essential in industries where special steel is used, such as aerospace, automotive, and construction, to ensure that the material meets the required specifications and standards. Some of the commonly used NDT techniques for special steel are: 1. Ultrasonic Testing (UT): This technique involves the use of high-frequency sound waves to detect internal flaws, such as cracks, voids, or inclusions, in special steel. UT is highly effective in detecting subsurface defects and is widely used due to its versatility and accuracy. 2. Magnetic Particle Testing (MT): MT is a technique that uses magnetic fields and iron particles to detect surface or near-surface defects in special steel. It is particularly useful in identifying defects like cracks, seams, or laps, as the magnetic particles will accumulate at these locations, making them visible under proper lighting conditions. 3. Liquid Penetrant Testing (PT): PT is a widely-used method for detecting surface defects in special steel. It involves applying a liquid penetrant to the surface of the material, which seeps into any surface cracks or defects. After a specified time, the excess penetrant is removed, and a developer is applied to make the defects visible. 4. Eddy Current Testing (ET): ET utilizes electromagnetic induction to detect surface or near-surface defects in special steel. It is particularly useful in detecting cracks, corrosion, or metal loss in conductive materials. ET is a fast and accurate method, making it suitable for high-speed production environments. 5. Radiographic Testing (RT): RT involves the use of X-rays or gamma rays to examine the internal structure of special steel. It can detect various defects, including porosity, inclusions, and cracks. RT provides detailed images that help identify the location, size, and severity of defects. 6. Visual Testing (VT): VT is a simple yet crucial technique that involves a visual examination of the surface of special steel. It helps identify surface defects like scratches, dents, or corrosion. Although VT is not as sensitive as other NDT techniques, it is often used as a preliminary inspection method. Each of these non-destructive testing techniques has its own advantages and limitations. The selection of the appropriate technique depends on factors such as the type and size of the special steel, the required inspection depth, and the specific defects that need to be detected. By using a combination of these techniques, manufacturers and inspectors can ensure the quality and reliability of special steel products.
- Q:What are the different heat treatment techniques used for special steel?
- There are several heat treatment techniques used for special steel, including annealing, normalizing, quenching, tempering, and case hardening. Each technique serves a specific purpose in altering the properties of the steel, such as improving hardness, strength, toughness, or ductility. Annealing involves heating the steel to a specific temperature and then slowly cooling it to relieve internal stresses and increase ductility. Normalizing is similar to annealing but involves air cooling instead of slow cooling. Quenching involves rapid cooling of the steel to increase hardness, while tempering is a subsequent heating process to reduce brittleness and enhance toughness. Case hardening involves heating the steel in the presence of a carbon-rich atmosphere to increase surface hardness while maintaining a tough core.
- Q:How does special steel perform in hot forging processes?
- Special steel performs exceptionally well in hot forging processes due to its high temperature resistance and excellent strength retention at elevated temperatures. It can withstand the extreme heat generated during forging, preventing deformation or cracking. Moreover, special steel exhibits superior wear resistance, facilitating the production of intricate and complex shapes without compromising its durability. Its exceptional performance in hot forging processes makes it a preferred choice for manufacturing industries.
- Q:What are the properties of wear-resistant tool steel?
- Wear-resistant tool steel is characterized by its high hardness, strength, and resistance to abrasion and wear. It has a high carbon content, typically ranging from 0.7% to 1.5%, which contributes to its hardness and wear resistance. This type of steel is also known for its ability to retain its hardness even at high temperatures, making it suitable for applications that involve friction and heat. Additionally, wear-resistant tool steel usually exhibits good toughness and machinability, allowing it to withstand heavy usage and be easily shaped into various tool forms.
- Q:Can special steel be used in the manufacturing of sports equipment?
- Yes, special steel can be used in the manufacturing of sports equipment. Special steel, such as carbon steel or stainless steel, provides durability, strength, and corrosion resistance, making it suitable for various sports equipment like golf clubs, tennis racquets, or bicycle frames.
- Q:What are the different methods of coating special steel?
- Enhancing the performance and safeguarding special steel from corrosion or damage can be achieved through various coating methods. Some commonly used techniques include: 1. Galvanization: A layer of zinc is applied to the steel, either through hot-dip galvanization or electroplating. This zinc layer offers exceptional corrosion resistance and acts as a sacrificial anode, preventing rusting. 2. Powder coating: An electrostatically applied dry powder is cured under heat, creating a protective layer that not only provides resistance to chipping, scratching, and corrosion but also adds an appealing finish. 3. Electroplating: The steel is immersed in a solution containing metal ions like chromium or nickel, and an electric current is passed through it. This process deposits the metal ions onto the steel surface, forming a thin protective layer that enhances corrosion resistance and gives a decorative appearance. 4. Cladding: A layer of corrosion-resistant material, such as stainless steel or titanium, is bonded to the surface of the special steel. Cladding offers improved resistance to corrosion, wear, and heat while maintaining the base steel's strength and mechanical properties. 5. Thermal spraying: Coating material like zinc or aluminum is heated to a molten or semi-molten state and then sprayed onto the steel surface using compressed air or a similar method. The sprayed material forms a protective layer that delivers excellent corrosion resistance and can also provide functional properties like thermal insulation or electrical conductivity. 6. Chemical conversion coating: The steel surface is treated with a chemical solution that reacts with the surface to create a thin layer of protective compound like phosphate or chromate. This conversion coating enhances corrosion resistance and promotes the adhesion of subsequent coatings. These are just a few examples of the numerous coating methods available for special steel. The selection of the most suitable method depends on factors like desired properties, intended application, and budget constraints. It is crucial to choose the appropriate coating method to ensure the longevity and performance of the special steel.
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Grade AISI52100/JIS52100 Bearing Steel Round Bar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t
- Supply Capability:
- 10000 m.t/month
OKorder Service Pledge
OKorder Financial Service
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