Annealing Peeling Bearing Steel SUJ2 Bars
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 50000 m.t./month
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Item specifice
Annealing Peeling Bearing Steel SUJ2 Bars
Product Description of Annealing Peeling Bearing Steel SUJ2 Bars
1. Steel grade: ASTM52100, SUJ2, 100Gr6,GCr15
2. Length: 6M-12M
3. Diameter: 16mm-300mm
4. Product range: round bar, flat bar, square bar,wire rod, sheet
5. Technique: Hot rolled, forged, cold drawn
Specification of Annealing Peeling Bearing Steel SUJ2 Bars
Material | SUJ2 | Round bar | Dia(mm) | 10-300mm |
Process | EAF + LF + VD + Forged + Heat Treatment (optional) | Length (mm) | Max 12m | |
Heat treatment | Normalized / Annealed / Quenched / tempered | Flat bar | Thickness(mm) | 8-500mm |
Delivery condition | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) | Width(mm) | 70-200mm | |
Test | Ultrasonic test according to SEP 1921-84 D/d | Length (mm) | Max 12m |
Chemical Composition of Annealing Peeling Bearing Steel SUJ2 Bars
C | Si | Mn | Cr | Ni | Mo | P | S |
0.95~1.05 | 0.15~0.35 | 0.25~0.45 | 1.40~1.65 | ≤0.30 | ≤0.10 | ≤0.025 | ≤0.025 |
Photo Show of Annealing Peeling Bearing Steel SUJ2 Bars
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of Annealing Peeling Bearing Steel SUJ2 Bars
1. Steel round bar is used in a large number of architectural and engineering structures. Or it can be used in construction of plants for the production of steel house frames, high-voltage transmission towers, bridges, vehicles, boilers, containers, ships, etc.
2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.
3. Some special material steel round bar can be used for main shaft of steamer, hummer shank, with big section and supper force.
Company Information
CNBM International Corporation is the most important trading platform of CNBM group.
Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.
F A Q
1, Your advantages?
professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale
2, Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3, Factory or Trading Company?
CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.
4, Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
5, Trading Terms?
EXW, FOB, CIF, FFR, CNF
6, After-sale Service?
CNBM provides the services and support you need for every step of our cooperation. We're the business partner you can trust.
For any problem, please kindly contact us at any your convenient time.
We'll reply you in our first priority within 24 hours.
- Q:What is the maximum temperature a steel round bar can withstand?
- The maximum temperature a steel round bar can withstand depends on several factors such as the specific type of steel, its composition, and the intended application. Generally, most common grades of steel have a maximum temperature limit of around 1,200 to 1,400 degrees Fahrenheit (650 to 760 degrees Celsius). However, some stainless steels can withstand higher temperatures, reaching up to 2,200 degrees Fahrenheit (1,200 degrees Celsius). Additionally, specialized heat-resistant alloys such as Inconel or Hastelloy can withstand even higher temperatures, up to 2,500 degrees Fahrenheit (1,370 degrees Celsius) or more. It is crucial to consult the manufacturer's specifications or conduct thorough research to determine the precise maximum temperature limit for a specific steel round bar in order to ensure its safe and efficient use.
- Q:What are the options for joining steel round bars?
- There are several options for joining steel round bars, depending on the specific requirements and applications. Some common methods include welding, bolting, and adhesives. 1. Welding: Welding is a widely used method for joining steel round bars. It involves melting the ends of the bars and fusing them together using a welding process such as arc welding, MIG welding, or TIG welding. Welding provides a strong and durable joint that can withstand high loads and stresses. 2. Bolting: Bolting involves using bolts, nuts, and washers to join steel round bars. Holes are drilled through the bars, and bolts are inserted through these holes. The nuts are then tightened to secure the bars together. Bolting is a relatively simple and quick method, and it allows for disassembly and reassembly if required. 3. Adhesives: Adhesives can also be used to join steel round bars. High-strength industrial adhesives are applied to the mating surfaces of the bars, which are then pressed together and left to cure. Adhesive bonding can provide a strong and durable joint, particularly in applications where welding or bolting may not be feasible or desired. 4. Mechanical couplings: Mechanical couplings are specifically designed for joining steel round bars. These couplings typically consist of two separate components that are fitted over the ends of the bars and tightened together using screws, clamps, or other mechanical means. Mechanical couplings provide a reliable and secure joint without the need for welding or drilling. 5. Cold forming: In some cases, steel round bars can be joined through cold forming techniques such as swaging or crimping. These methods involve mechanically deforming the ends of the bars to create a tight and secure joint. Cold forming is often used in applications where welding or other traditional methods are not suitable. It is important to consider the specific requirements, load-bearing capacities, and environmental conditions when selecting the appropriate method for joining steel round bars. Consulting with a professional engineer or welder can help determine the best option based on the specific application and desired outcome.
- Q:Can steel round bars be used in the manufacturing of conveyor systems?
- Yes, steel round bars can be used in the manufacturing of conveyor systems. Steel round bars are often used as the main structural component for conveyor systems due to their durability, strength, and ability to withstand heavy loads. They provide stability and support for the conveyor belt, rollers, and other components, making them an ideal choice for conveyor system construction.
- Q:Are steel round bars suitable for high-stress applications?
- Steel round bars are well-suited for high-stress situations due to their strength and durability. The remarkable properties of steel, including its strength and durability, make it a perfect material for environments with high levels of stress. In particular, round bars offer excellent tensile strength and can withstand heavy loads and intense pressure. They are widely used in industries like construction, manufacturing, and engineering, where reliable and robust materials are needed for high-stress applications. The round shape of the bars also ensures consistent strength, guaranteeing dependable performance even in extreme conditions. Moreover, steel round bars can be heat-treated to enhance their mechanical properties, making them even more suitable for high-stress situations. In summary, steel round bars are a dependable and efficient choice for demanding environments that require exceptional strength and resilience.
- Q:What are the different surface defects that can be found in steel round bars?
- There are several surface defects that can be found in steel round bars. These defects can vary in severity and can have an impact on the overall quality and performance of the steel. Some common surface defects include: 1. Scale: Scale refers to the thin, flaky layer of iron oxide that forms on the surface of steel during the manufacturing process. It can appear as a rough, scaly texture and may cause issues with adhesion or coating application. 2. Pitting: Pitting is the formation of small holes or depressions on the surface of the steel. It can be caused by corrosion, contamination, or uneven heating during the manufacturing process. Pitting can weaken the structural integrity of the steel and increase the likelihood of failure. 3. Scratches: Scratches are superficial marks or cuts on the surface of the steel. They can occur during handling, transportation, or processing. While small scratches may not significantly affect the performance of the steel, deep or extensive scratches can create stress concentrations and reduce the strength of the material. 4. Cracks: Cracks are linear fractures that can occur on the surface of the steel. They can be caused by excessive cooling, improper heat treatment, or mechanical stress. Cracks can propagate and lead to catastrophic failure if not detected and addressed. 5. Decarburization: Decarburization is the loss of carbon content on the surface of the steel due to exposure to high temperatures or improper heat treatment. It can result in a softer and weaker surface layer, reducing the material's strength and hardness. 6. Laminations: Laminations are layers or separations within the steel round bar that can occur due to improper rolling or manufacturing processes. These can weaken the material and reduce its load-bearing capacity. 7. Inclusions: Inclusions are non-metallic impurities or foreign substances that are trapped within the steel during the manufacturing process. They can include oxides, sulfides, or other debris. Inclusions can act as stress concentrators and reduce the material's resistance to cracking and deformation. Detecting and addressing these surface defects is crucial to ensure the quality and reliability of steel round bars. Various inspection techniques such as visual examination, ultrasonic testing, magnetic particle testing, or dye penetrant testing can be employed to identify and assess the severity of these defects.
- Q:Can steel round bars be used for making camshafts?
- Camshafts can indeed be made using steel round bars. In fact, steel is a widely used material for camshaft production because of its exceptional strength, durability, and resistance to wear and fatigue. By machining and shaping steel round bars, they can be transformed into the desired profile, which makes them ideal for manufacturing camshafts. These camshafts are crucial components in internal combustion engines. The specific type of steel chosen will depend on the application and performance requirements. Typically, alloy steels or carbon steels with superior mechanical properties are used. In summary, steel round bars provide a reliable and cost-effective option for producing camshafts that can endure the demanding conditions of engine operation.
- Q:Difference between forging and round steel
- A forging is a process in which a metal is heated and shaped by plastic deformation or a desired compressive force is applied. This force is typically achieved by using a hammer or pressure. The casting process constructed a fine grain structure and improved the physical properties of the metal. In the practical use of parts, a correct design allows the particles to flow in the direction of the main pressure.
- Q:What are the environmental impacts of steel round bar production?
- The production of steel round bars has a range of environmental consequences. Firstly, the extraction of raw materials, like iron ore and coal, necessary for steel production, results in habitat destruction, deforestation, and disruption of ecosystems. Mining activities also produce substantial amounts of waste, including tailings and waste rock, which can contaminate soil, bodies of water, and the air. Converting iron ore into steel requires significant energy consumption, primarily derived from fossil fuels. The burning of these fuels releases greenhouse gases, such as carbon dioxide and nitrogen oxides, contributing to climate change and air pollution. Furthermore, steel production emits particulate matter, sulfur dioxide, and other pollutants that can have adverse effects on human health and ecosystems. The manufacturing of steel also demands substantial water usage for cooling, cleaning, and processing. Without proper water management practices, this can lead to water scarcity and pollution. Discharging untreated or inadequately treated wastewater from steel production can contaminate nearby water sources, impacting aquatic life and potentially harming human populations that rely on these bodies of water. Additionally, the transportation of raw materials and finished steel products over long distances contributes to carbon emissions and air pollution. The energy-intensive nature of steel production and transportation further amplifies the overall environmental impacts of the industry. To mitigate these environmental impacts, the steel industry has implemented various measures. These include adopting more efficient technologies, such as recycling and waste reduction, enhancing energy efficiency, and implementing cleaner production processes. Furthermore, the industry has been prioritizing the reduction of its carbon footprint by increasing the utilization of renewable energy sources and implementing carbon capture and storage technologies. Overall, while the production of steel round bars has negative environmental implications, ongoing efforts within the industry aim to minimize these impacts and transition towards more sustainable practices.
- Q:How do steel round bars compare to other materials like aluminum or titanium?
- Steel round bars have certain advantages over materials like aluminum or titanium. Steel is known for its high strength and durability, making it suitable for heavy-duty applications. It has a higher tensile strength compared to aluminum, which gives it better resistance to bending or deformation. Additionally, steel round bars have a lower cost compared to titanium, making them more economical for various projects. However, aluminum and titanium offer their own unique benefits such as lighter weight and greater corrosion resistance, which may make them more suitable for specific applications. Ultimately, the choice between steel, aluminum, or titanium round bars depends on the specific requirements and constraints of the project at hand.
- Q:What is the difference between a hot-rolled and a forged steel round bar?
- The manufacturing process and resulting properties distinguish a hot-rolled steel round bar from a forged one. Hot-rolled steel round bars are created by heating a steel billet or ingot to a high temperature and shaping it with rollers. This method allows for large-scale production and the creation of various sizes and shapes. As the steel is heated and shaped, it undergoes significant deformation and recrystallization, resulting in a uniform grain structure. Hot-rolled steel round bars have a rougher surface finish and may have different levels of internal stress due to the cooling process. They are commonly used in construction, manufacturing, and general fabrication where strength and cost-effectiveness are important. In contrast, forged steel round bars are manufactured by applying extreme pressure to a heated steel billet or ingot, often using a hammer or press. This process produces a much stronger and more durable product compared to hot-rolled steel. The intense pressure during forging aligns the grain structure of the steel, leading to improved mechanical properties such as increased strength, toughness, and resistance to fatigue and impact. Moreover, the forging process eliminates internal voids and porosity, making forged steel round bars more reliable and less prone to failure. Given the high level of customization and precision involved in forging, these round bars find extensive use in critical applications that demand superior strength and performance, such as aerospace, automotive, and oil and gas industries. In summary, the primary distinctions between hot-rolled and forged steel round bars arise from their manufacturing processes and resulting properties. Hot-rolled steel offers cost-effectiveness and a wide range of sizes and shapes, while forged steel provides superior strength, durability, and reliability. The choice between the two depends on the specific application and desired performance characteristics.
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Annealing Peeling Bearing Steel SUJ2 Bars
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 50000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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