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: Can special steel be used in the production of precision instruments?
- Yes, special steel can be used in the production of precision instruments. Special steel alloys possess excellent mechanical properties, such as high strength, hardness, and corrosion resistance, making them suitable for manufacturing precision instruments that require high accuracy and durability. Additionally, special steel can be tailored to specific applications, allowing for customized properties to meet the unique requirements of precision instruments.
- Q: How is special steel used in the production of conveyor belts?
- To improve the durability, strength, and overall performance of conveyor belts, special steel is utilized during their production. Conveyor belts are commonly employed in industries like mining, manufacturing, food processing, and logistics for the transportation of materials and goods. These belts face various challenging conditions, including heavy loads, high temperatures, and abrasive materials. To ensure the longevity and reliability of conveyor belts, specific parts are constructed using special steel alloys such as stainless steel or heat-resistant steel. For instance, stainless steel is frequently used in wire mesh belts to prevent corrosion and rust, especially when the conveyor belt is exposed to moisture or chemicals. This safeguards the smooth and efficient movement of materials, preventing contamination. Moreover, special steel is incorporated in the manufacturing of belt fasteners, hinges, and other connecting components. These parts must endure substantial tension, heat, and wear, making standard steel inadequate in terms of strength and durability. Special steel alloys offer superior strength, high temperature resistance, and improved wear resistance, ensuring the reliable functioning of conveyor belts even under demanding conditions. Additionally, in applications where conveyor belts are subjected to extreme temperatures, such as steel mills or foundries, special heat-resistant steel is utilized. This type of steel can withstand intense heat without deformation or loss of strength, enabling the conveyor belt to operate safely and efficiently in such extreme environments. In conclusion, special steel plays a crucial role in enhancing the durability, strength, and ability of conveyor belts to withstand challenging conditions. Its utilization in wire mesh belts, fasteners, hinges, and heat-resistant components ensures the longevity and reliability of conveyor belts across diverse industries.
- Q: How does special steel contribute to the energy equipment industry?
- Special steel plays a crucial role in the energy equipment industry by providing the necessary strength, durability, and resistance to extreme conditions. The energy equipment industry encompasses various sectors such as oil and gas, renewable energy, power generation, and transmission, all of which rely heavily on special steel for their infrastructure and machinery. In the oil and gas sector, special steel is used in the construction of pipelines, drilling equipment, and storage tanks. The unique properties of special steel, such as high tensile strength, corrosion resistance, and the ability to withstand high pressure and temperature, make it an ideal material for these applications. Special steel also ensures the safety and reliability of oil and gas operations, as it can withstand harsh environments, including corrosive substances and extreme weather conditions. In the renewable energy sector, special steel is used in the manufacturing of wind turbines, solar panels, and hydroelectric power systems. These energy sources require strong and lightweight materials that can withstand constant exposure to nature's elements. Special steel alloys, such as high-strength low-alloy (HSLA) steel and stainless steel, are commonly used to construct the infrastructure of renewable energy systems, ensuring their longevity and efficiency. Furthermore, special steel is essential in power generation and transmission equipment. It is utilized in the manufacturing of gas turbines, steam turbines, and generators. Special steel alloys can endure the high temperatures and pressures generated during power generation processes, ensuring the efficiency and reliability of energy production. Additionally, special steel is used in the transmission infrastructure, including transmission towers and power cables, to support the efficient and safe transfer of electricity over long distances. Overall, special steel contributes significantly to the energy equipment industry by providing the necessary strength, durability, and resistance to extreme conditions. It enables the construction of reliable and efficient infrastructure, ensuring the smooth operation of energy systems, whether in oil and gas, renewable energy, or power generation and transmission.
- Q: What are the different methods of surface carburizing for special steel?
- Surface carburizing is a heat treatment process used to increase the carbon content at the surface of steel, resulting in a hardened outer layer. There are several methods of surface carburizing for special steel, each with its own advantages and disadvantages. 1. Gas Carburizing: This method involves exposing the steel to a carbon-rich gas, such as methane or propane, at elevated temperatures. The gas reacts with the steel surface, depositing carbon and forming a hardened layer. Gas carburizing is a widely used method due to its versatility, controllability, and ability to produce uniform and deep case depths. However, it requires specialized equipment and longer processing times. 2. Pack Carburizing: In this method, the steel is packed in a container with a carbon-rich material, such as charcoal or carbon powder. The container is then heated to high temperatures, allowing carbon to diffuse into the steel surface. Pack carburizing is a cost-effective method, but it is relatively slower and less controllable compared to gas carburizing. 3. Liquid Carburizing: Also known as cyaniding, this method involves immersing the steel in a liquid bath containing a carbon-rich compound, such as sodium cyanide. The bath is heated to high temperatures, which enables carbon diffusion into the surface of the steel. Liquid carburizing is a fast and cost-effective method, but it requires careful handling of toxic chemicals and may result in lower case depths compared to other methods. 4. Plasma Carburizing: This method utilizes a plasma discharge to provide a carbon-rich atmosphere around the steel surface. The plasma contains hydrocarbons, which dissociate into carbon atoms that diffuse into the steel. Plasma carburizing offers precise control over case depth and can achieve high surface hardness. However, it requires specialized equipment and is generally more expensive than other methods. 5. Salt Bath Carburizing: In this method, the steel is immersed in a molten salt bath containing carbon-rich compounds. The salt bath is heated to high temperatures, allowing carbon to diffuse into the steel surface. Salt bath carburizing is a versatile method that can achieve high case depths and excellent surface hardness. However, it requires careful temperature control and can be challenging to remove the salt residues after the process. It is important to select the appropriate method of surface carburizing based on the specific requirements of the special steel, such as desired case depth, hardness, and cost considerations.
- Q: How is special steel used in the chemical industry?
- Special steel is widely used in the chemical industry due to its excellent corrosion resistance properties. It is used to manufacture various equipment and components like storage tanks, pipes, valves, and reactors that come in contact with corrosive chemicals. Additionally, special steel's high strength and temperature resistance make it suitable for applications requiring robust and durable materials in chemical processing plants.
- Q: What are the challenges in heat treatment of special steel alloys?
- The heat treatment of special steel alloys presents various difficulties due to their unique composition and properties. One of the primary obstacles is attaining the desired microstructure and mechanical properties while maintaining dimensional stability. Special steel alloys often contain intricate alloying elements and necessitate specific heat treatment processes to achieve the desired properties. Another hurdle involves controlling the rates of heating and cooling throughout the heat treatment procedure. Special steel alloys are often sensitive to rapid or uneven temperature changes, which can lead to distortion, cracking, or the formation of undesirable phases. Hence, ensuring precise control of the heating and cooling rates is crucial to avoid these issues and ensure uniformity in the final product. Furthermore, the presence of alloying elements in special steel alloys can increase their hardenability, making it challenging to achieve the desired hardness consistently across the entire component. Adequate attention must be given to selecting appropriate heat treatment parameters, including temperatures, soaking times, and quenching media, in order to achieve the desired hardness and prevent excessive hardness gradients. Additionally, special steel alloys are prone to oxidation and decarburization during heat treatment due to their high alloy content and exposure to elevated temperatures. These reactions can result in surface defects and a decrease in carbon content, thereby impacting the final properties of the alloy. Consequently, careful control of protective atmospheres or heat treatment environments is necessary to prevent such issues. Moreover, the size and shape of components made from special steel alloys can pose challenges during heat treatment. Large or intricately shaped components require careful consideration of heating and cooling methods to ensure uniformity in microstructure and properties throughout the entire component. This may involve the use of specialized furnaces, fixtures, or heat treatment cycles to overcome these challenges. In conclusion, the challenges involved in heat treating special steel alloys encompass achieving the desired microstructure and mechanical properties, controlling heating and cooling rates, managing hardenability, preventing oxidation and decarburization, and addressing the size and shape of components. Overcoming these challenges demands a comprehensive understanding of the alloy's composition, properties, and the application of appropriate heat treatment techniques.
- Q: Can special steel be used for jewelry?
- Yes, special steel can be used for jewelry. Special steel, such as stainless steel or titanium, is often used for making contemporary and modern jewelry pieces due to its durability, resistance to tarnish and corrosion, and affordability. It offers a unique and sleek aesthetic and can be crafted into various designs, making it a popular choice for jewelry makers and wearers alike.
- Q: Can special steel be used in the food processing industry?
- Yes, special steel can be used in the food processing industry. Special steel alloys, such as stainless steel, are commonly used in food processing equipment and machinery due to their corrosion resistance, durability, and hygiene properties. These steel alloys provide a reliable and safe material for handling and processing food, making them an ideal choice for the industry.
- Q: Can special steel be used for structural applications?
- Yes, special steel can be used for structural applications. Special steels, such as high-strength and corrosion-resistant alloys, are often used in various structural applications where exceptional strength, durability, and reliability are required. These steels offer superior properties compared to regular carbon steels, making them suitable for demanding structural projects in industries like construction, automotive, aerospace, and offshore.
- Q: How does mold steel resist wear and erosion?
- Mold steel resists wear and erosion due to its high hardness and toughness properties. It is specifically designed to withstand the abrasive forces and friction that occur during molding processes. Additionally, mold steel is often heat-treated to further enhance its resistance against wear and erosion, making it a durable and long-lasting material for mold manufacturing.
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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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