• Round Bars Carbon Steel 1020  1045  1040 System 1
  • Round Bars Carbon Steel 1020  1045  1040 System 2
  • Round Bars Carbon Steel 1020  1045  1040 System 3
Round Bars Carbon Steel 1020  1045  1040

Round Bars Carbon Steel 1020 1045 1040

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
30 m.t.
Supply Capability:
10000 m.t./month

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Specification

Type:
Carbon Steel
Shape:
Steel Round Bar

Round Bars Carbon Steel 1020  1045  1040 

Product Information:

Material:High Quality Carbon Structural Steel 1020

Size:Diameter:10-700mm

Length:6000mm-12000mm

Origin place :Made In China

Delivery Condition:Hot rolled, cold drawn, forged

Surface require:Black, grinding, bright, polish

Heat treatment:Quenched, Tempered, annealed

Packing:Seaworthy packing ,wooden case ,carton,woven bag or at client's requires

Delivery time:According to order’s quantity.

Trade Term:EXW,FOB,CIF

Payments:T/T or L/C at sight

Port:China main Port, such as shanghai, Dalian, Shenzhen port.

MOQ:30 Metric Ton

MaterialAISI 1020, S20C, C22,1.0402Round barDia(mm)Max 700
ProcessEAF + LF + VD + Forged + Heat Treatment (optional)Length (mm)   Max 12000
Heat treatmentNormalized / Annealed / Quenched / temperedPlate barThickness(mm) Max 200
Delivery conditionHot forged +Rough machined (black surface after Q/T)+ Turned (optional)Width(mm)Max 3000
TestUltrasonic test according to SEP 1921-84 D/dLength (mm)   Max 12000

Product Overviews:

Product NameTypical GradesDiameter(mm)Standard adopted
Carbon Steel20 (1020/S20C/C22)Ø16-Ø300GB/SAE/JIS/DIN
40 (1040/S40C/C40)
45 (1045/S45C/C45)
Bearing SteelGCr9 (51100/SUJ1)Ø12-Ø250
GCr15 (52100/SUJ2/100Gr6)
GCr9SiMn (A485-Gr.1/SUJ3)
Cr-Mo Steel20Cr (5120/SCr420H/20Cr4)Ø12-Ø250
40Cr (5140/SCr440/41Cr4)
42CrMo(4140/SCM440/42CrMo4)
Gear Steel20CrNiMoØ16-Ø600
20CrMn(5115/SMnC420/20MnCr5)
20CrNiMo(8620/SNCM220/20CrMiMo2)

Product Show:

Round Bars Carbon Steel 1020  1045  1040

Our Advantages:

· Industry experience over 20 years.

· Shipment of goods -More than 70 countries worldwide.

· The most convenient transport and prompt delivery.

· Competitive price with best service.

· High technical production line with top quality products.

· High reputation based on best quality products.

 

With our experienced, enthusiastic and dynamic staffs, we assure to bring you the products with best quality, reasonable prices and good after-sales services under the motto: Friends First, Business After.

Communication, Experience, Expertise and Best efforts are our Promises to you.


Q: What are the challenges in machining special steel alloys?
Special steel alloys pose several challenges when it comes to machining, primarily due to their unique properties and characteristics. The first major challenge is their high hardness, which is often enhanced through heat treatment to improve mechanical properties. As a result, traditional cutting tools wear out quickly or become dull, making it difficult to machine these alloys. Additionally, the high hardness increases the risk of tool breakage, leading to frequent tool changes and increased production downtime. Another challenge is the presence of abrasive elements in special steel alloys, such as chromium, tungsten, or vanadium. These elements can cause rapid tool wear and degradation, resulting in reduced cutting tool life and higher machining costs. Moreover, if not managed properly during the machining process, these abrasive elements can lead to poor surface finish and dimensional accuracy. Furthermore, special steel alloys have low thermal conductivity, making it challenging to dissipate the heat generated during machining. This can result in high temperatures at the cutting zone, causing thermal expansion and distortion of the workpiece. The heat also affects the cutting tool, reducing its efficiency and lifespan. Effective heat management is crucial to prevent workpiece deformation and maintain dimensional accuracy. Moreover, these steel alloys are prone to work hardening, meaning they become harder and more difficult to cut as the machining process progresses. Work hardening leads to increased cutting forces, tool wear, and reduced surface finish. To overcome this challenge, machining parameters such as cutting speed, feed rate, and depth of cut must be carefully optimized to avoid excessive work hardening. In conclusion, machining special steel alloys involves overcoming challenges such as high hardness, abrasive elements, low thermal conductivity, and work hardening. To address these challenges effectively, manufacturers need to use specialized cutting tools, efficient cooling and lubrication systems, optimize machining parameters, and carefully select machining strategies. By doing so, accurate and efficient machining of special steel alloys can be achieved.
Q: Can special steel be used in the production of springs?
Yes, special steel can be used in the production of springs. Special steel, such as alloy steel, is often preferred for manufacturing springs due to its high strength, durability, and resistance to deformation. It allows for the production of springs that can withstand heavy loads, maintain their shape over time, and provide reliable performance in various applications.
Q: What are the common challenges in welding titanium alloys?
Welding titanium alloys presents various difficulties due to the unique properties of titanium. Firstly, the melting point of titanium is exceptionally high, reaching approximately 1668°C (3034°F). This necessitates the use of specialized equipment and techniques to attain optimal welding conditions. Moreover, this high melting point increases the risk of overheating, which can lead to distortion or warping of the welded components. Another challenge lies in titanium's strong reactivity with oxygen, nitrogen, and hydrogen. These gases can easily contaminate the weld pool during the welding process, resulting in the formation of brittle and porous welds. Therefore, it is essential to take rigorous measures such as utilizing inert shielding gases like argon or helium, maintaining a high level of cleanliness, and employing proper welding techniques like gas tungsten arc welding (GTAW) to minimize contamination and achieve sound welds. Titanium also exhibits a significant affinity for carbon, which can cause the formation of brittle intermetallic compounds during welding. To prevent this, it is crucial to employ low-carbon filler metals and ensure appropriate heat input to avoid carbon diffusion into the weld zone. Furthermore, titanium alloys possess low thermal conductivity, causing heat generated during welding to concentrate in a small area. This concentration leads to localized overheating and potential damage. Hence, it is vital to control heat input and utilize suitable welding techniques to distribute heat evenly, thereby avoiding overheating and preserving the integrity of the welded joint. Lastly, titanium alloys display a high coefficient of thermal expansion, resulting in significant thermal expansion and contraction throughout the welding process. This can lead to distortion and residual stresses in the welded components. To mitigate these issues, preheating and post-weld heat treatment may be required to minimize distortion and relieve residual stresses. In conclusion, the challenges in welding titanium alloys encompass a high melting point, reactivity with gases, potential contamination, formation of intermetallic compounds, low thermal conductivity, and significant thermal expansion. By comprehending these challenges and implementing suitable welding techniques, it is possible to overcome these difficulties and achieve high-quality welds in titanium alloys.
Q: What are the properties of wear-resistant steel?
Wear-resistant steel possesses unique properties that make it highly resistant to abrasion and wear. It has a high hardness level, which enables it to withstand repeated impact and friction without deforming or wearing down. Additionally, wear-resistant steel exhibits excellent toughness, allowing it to absorb energy and resist cracking or breaking under harsh conditions. It also has a high strength-to-weight ratio, making it suitable for applications requiring both strength and durability. Overall, the properties of wear-resistant steel make it ideal for use in industries such as mining, construction, manufacturing, and transportation, where materials are subjected to intense wear and tear.
Q: Is special steel suitable for manufacturing precision components?
Yes, special steel is indeed suitable for manufacturing precision components. Special steel possesses unique properties such as high strength, wear resistance, and excellent dimensional stability, making it ideal for producing components with precise and intricate designs. Additionally, its superior machinability and ability to withstand extreme conditions further enhance its suitability for manufacturing precision components.
Q: What are the main characteristics of alloy steel forgings?
Alloy steel forgings possess several key characteristics that make them highly desirable in various industries. Firstly, alloy steel forgings are known for their exceptional strength and durability. The inclusion of different alloying elements, such as chromium, nickel, molybdenum, and vanadium, enhances the steel's mechanical properties, making it resistant to wear, fatigue, and corrosion. Another important characteristic of alloy steel forgings is their versatility. These forgings can be customized to meet specific requirements, whether it be in terms of shape, size, or performance. This adaptability allows for the production of complex and intricate components that are often used in critical applications, such as aerospace, automotive, and oil and gas industries. Additionally, alloy steel forgings exhibit excellent heat resistance and can withstand extreme temperature fluctuations without losing their structural integrity. This property is particularly beneficial in applications where components are exposed to high temperatures or rapid temperature changes, such as gas turbines, boilers, and heat exchangers. Furthermore, alloy steel forgings offer superior machinability and weldability, making them easier to work with during the manufacturing process. This characteristic allows for precise shaping, forming, and machining of the forgings, enabling manufacturers to achieve intricate designs and tight tolerances. Lastly, alloy steel forgings are known for their cost-effectiveness. Despite their exceptional properties, alloy steel forgings can be produced in large quantities, resulting in economies of scale. This makes them a cost-efficient choice for various industries looking to balance performance, durability, and affordability. In summary, the main characteristics of alloy steel forgings are their exceptional strength, durability, versatility, heat resistance, machinability, weldability, and cost-effectiveness. These qualities make alloy steel forgings a preferred choice for applications requiring high-performance components that can withstand challenging conditions.
Q: Can special steel be used in the renewable energy industry?
Yes, special steel can be used in the renewable energy industry. Special steel offers high strength, corrosion resistance, and durability, making it suitable for various applications in renewable energy, such as wind turbines, solar panels, and hydroelectric power systems. It can withstand harsh environmental conditions and provide structural stability, contributing to the efficiency and longevity of renewable energy equipment.
Q: How does special steel perform in tooling applications?
Due to its unique properties and characteristics, special steel excels in tooling applications. Also known as tool steel, this type of steel is specifically designed and manufactured to endure the challenging conditions of tooling applications. One major advantage of special steel is its exceptional hardness. Tooling applications often involve cutting, shaping, and forming tough materials, and the hardness of special steel enables it to withstand the extreme pressures and forces involved in these processes effectively. Additionally, this hardness helps maintain the cutting edges' sharpness for extended periods, ensuring consistent and precise performance. Moreover, special steel demonstrates excellent resistance to wear. Tooling applications typically involve repetitive and abrasive actions, which can cause significant wear and tear on the tools. However, the wear resistance of special steel ensures that the tools maintain their performance and longevity, reducing the need for frequent replacements and downtime. Another crucial aspect of special steel is its remarkable toughness. Tooling applications often subject the tools to sudden impacts and shock loads. Special steel's toughness allows it to absorb these impacts without fracturing or breaking, making it highly reliable and durable in such applications. In addition, special steel offers good heat resistance and dimensional stability. Tooling applications frequently involve high temperatures, and special steel's ability to withstand heat prevents it from losing its hardness and other mechanical properties. This ensures consistent performance and dimensional stability, resulting in accurate and precise tooling. Lastly, special steel is also recognized for its corrosion resistance. Tooling applications may expose the tools to moisture, chemicals, or harsh environments, which can lead to corrosion and degradation. The corrosion resistance of special steel protects the tools from these corrosive elements, prolonging their lifespan and maintaining their performance. To conclude, special steel's hardness, wear resistance, toughness, heat resistance, dimensional stability, and corrosion resistance make it highly effective in tooling applications. These properties enable special steel tools to withstand the demanding conditions of tooling applications, ensuring reliable and long-lasting performance.
Q: How is alloy steel used in the manufacturing of gears and shafts?
Alloy steel is commonly used in the manufacturing of gears and shafts due to its superior strength, durability, and resistance to wear and tear. Its unique properties make it ideal for withstanding high torque and heavy loads, ensuring smooth and efficient operation of gears and shafts in various industrial applications.
Q: What are the potential health hazards associated with working with special steel?
Working with special steel can pose potential health hazards due to the materials and processes involved. Some of the main health hazards associated with working with special steel include: 1. Inhalation of hazardous fumes: Special steels often contain various alloys and elements, such as chromium, nickel, and manganese, which can release toxic fumes when heated or welded. Prolonged exposure to these fumes can lead to respiratory issues, such as bronchitis, asthma, or even lung cancer. 2. Skin and eye irritation: Steelworking involves handling sharp edges, cutting tools, and abrasive materials, which can cause cuts, scratches, or puncture wounds. These injuries can become infected or lead to more serious conditions if not properly treated. Additionally, contact with certain alloys in special steel can irritate the skin or cause allergic reactions. Eye protection is crucial in this industry to prevent eye injuries from flying debris or sparks. 3. Noise-induced hearing loss: Steel manufacturing processes often involve heavy machinery, which generates high levels of noise. Prolonged exposure to such noise levels can lead to permanent hearing loss or other auditory issues. Workers should use appropriate hearing protection, such as earmuffs or earplugs, to minimize the risk. 4. Ergonomic hazards: Steelworking often requires repetitive movements, heavy lifting, or awkward postures, which can lead to musculoskeletal disorders, such as back pain, carpal tunnel syndrome, or tendonitis. Employers should implement proper ergonomic practices, including providing adjustable workstations, lifting aids, and regular breaks to prevent these hazards. 5. Thermal hazards: Special steel manufacturing processes involve high temperatures, such as welding or forging, which can lead to burns if proper protective clothing or equipment is not used. Exposure to extreme heat can also cause heat-related illnesses, including heat exhaustion or heat stroke. Adequate training, appropriate personal protective equipment (PPE), and regular breaks in cooler areas can help mitigate these risks. To protect workers from these potential health hazards, employers should implement proper safety protocols, including employee training, use of personal protective equipment, regular health monitoring, and maintaining a clean and well-ventilated work environment. Occupational health and safety regulations should be strictly followed to minimize the risks associated with working with special steel.

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