Grade 12Cr1MoVG Alloy Steel / Tubular Steel Round Bar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3 m.t
- Supply Capability:
- 10000 m.t/month
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Specification
Type:
Alloy Steel
Shape:
Steel Round Bar
Specifications of Round Bar
1.hot rolled black surface
2. fine mechanical performance
3. Delivery condition: Hot-rolled,black surface.
4. AISI/ASTM 4140,42CrMo4 Din1.7225,SCM440 JIS
Chemical Composition
C | Si | Mn | P | S | Cr | Mo |
0.38-0.45 | ≤0.4 | 0.6-0.9 | ≤0.035 | ≤0.030 | 0.9-1.2 | 0.15-0.30 |
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
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: How does special steel ensure product reliability?
- Special steel is specifically designed and manufactured to possess superior qualities that enhance product reliability. One of the key factors that contributes to the reliability of special steel is its exceptional strength and durability. This type of steel is engineered to withstand high levels of stress, pressure, and temperature, ensuring that it can perform reliably even in challenging conditions. Special steel also offers excellent resistance to corrosion, wear, and fatigue. This is achieved through the addition of various alloying elements and careful heat treatment processes. The enhanced resistance to corrosion and wear minimizes the risk of degradation and failure, which in turn enhances the reliability of the product. Moreover, special steel is known for its exceptional dimensional stability and accuracy. This means that it maintains its shape and size under various operating conditions, minimizing the potential for dimensional changes that could affect the overall performance and reliability of the product. Another aspect that makes special steel reliable is its consistent and uniform composition. The manufacturing process of special steel ensures that it has a homogeneous and controlled structure, which leads to predictable and reliable mechanical properties. This allows designers and engineers to accurately predict the behavior and performance of the steel, thus increasing the reliability of the final product. Furthermore, special steel is often subjected to stringent quality control measures throughout the manufacturing process. This ensures that the steel meets or exceeds industry standards and specifications. By adhering to these strict quality standards, special steel manufacturers can guarantee a high level of product reliability. In conclusion, special steel ensures product reliability by providing exceptional strength, durability, resistance to corrosion and wear, dimensional stability, uniform composition, and strict quality control measures. These features collectively contribute to the reliable performance of products made from special steel, making it a preferred choice in industries where reliability is paramount.
- Q: How is case-hardening steel used in the production of gears and shafts?
- Case-hardening steel is used in the production of gears and shafts to provide them with a hard outer layer, while maintaining a tough and durable core. The steel is heated and then subjected to a process known as carburizing, where it comes into contact with carbon-rich materials to absorb carbon into its surface. This process creates a high carbon concentration at the outer layer, resulting in increased hardness and wear resistance. The case-hardened gears and shafts offer superior durability, allowing them to withstand heavy loads and friction in various applications.
- Q: What are the environmental impacts of manufacturing special steel?
- Manufacturing special steel has significant environmental impacts due to its energy-intensive production process and the extraction of raw materials. The production of special steel requires high temperatures and uses large amounts of fossil fuel-based energy, resulting in substantial greenhouse gas emissions contributing to climate change. Additionally, the extraction of iron ore and other raw materials for steel production can lead to deforestation, habitat destruction, and water pollution. The disposal of steel waste and byproducts also poses challenges, as it can contaminate soil and water sources. Therefore, the environmental impacts of manufacturing special steel must be carefully managed and mitigated through sustainable practices and technologies.
- Q: How does special steel perform in high-temperature corrosion?
- Special steel is specifically designed to perform well in high-temperature corrosion environments. It possesses unique properties that make it highly resistant to oxidation and corrosive reactions at elevated temperatures. One of the key factors that contribute to special steel's performance in high-temperature corrosion is its high chromium content. Chromium forms a protective oxide layer on the surface of the steel, known as a passive film, which acts as a barrier against corrosive elements. This passive film is stable even at high temperatures, preventing the steel from undergoing oxidation and corrosion. Additionally, special steel often contains other alloying elements such as nickel, molybdenum, and titanium, which further enhance its resistance to high-temperature corrosion. These elements increase the steel's ability to withstand aggressive chemical environments, such as those encountered in industrial processes involving high temperatures and corrosive substances. Furthermore, special steel is known for its excellent mechanical properties, including high strength and toughness, which enable it to withstand the harsh conditions of high-temperature corrosion. It can maintain its structural integrity and dimensional stability even when exposed to extreme temperatures and corrosive chemicals. Overall, special steel's superior resistance to high-temperature corrosion makes it an ideal choice for various applications in industries such as petrochemical, power generation, and aerospace. Its ability to maintain its performance and durability in challenging environments ensures the longevity and reliability of equipment and structures, ultimately reducing maintenance and replacement costs.
- Q: How does special steel contribute to the tool manufacturing industry?
- Special steel plays a crucial role in the tool manufacturing industry as it offers several advantages that enhance the quality, performance, and durability of tools. Firstly, special steel is known for its exceptional strength and toughness, which makes it ideal for manufacturing high-quality tools that can withstand heavy usage and extreme conditions. In addition to strength, special steel also offers excellent wear resistance. Tools made from special steel can retain their sharpness and cutting edge for a longer period, reducing the need for frequent re-sharpening or replacement. This not only saves time and effort but also increases productivity in various industries that heavily rely on tools, such as construction, automotive, and aerospace. Moreover, special steel can be heat-treated to achieve specific properties, such as hardness, which is vital for tools like drills, saws, and blades. This heat treatment process allows manufacturers to tailor the steel's characteristics to meet the specific requirements of different tools, ensuring optimal performance and effectiveness. Special steel also provides corrosion resistance, an essential feature for tools that may be exposed to moisture, chemicals, or harsh environments. By preventing rust and corrosion, special steel helps to prolong the lifespan of tools, reducing maintenance costs and ensuring their reliable performance over time. Furthermore, the versatility of special steel allows manufacturers to create tools with complex shapes and designs. This flexibility opens up opportunities for innovation and the development of specialized tools that cater to unique applications and industries. Special steel can be easily machined, welded, and formed into various tool designs, enabling manufacturers to create efficient and ergonomic tools that offer improved handling and user comfort. In summary, special steel significantly contributes to the tool manufacturing industry by providing strength, wear resistance, heat treatability, corrosion resistance, and versatility. These properties enable the production of high-quality tools that are durable, reliable, and efficient, meeting the demands of diverse industries and enhancing productivity.
- Q: What are the different non-destructive testing methods for special steel?
- There are several non-destructive testing methods for special steel, including visual inspection, ultrasonic testing, radiographic testing, magnetic particle testing, and liquid penetrant testing. These methods allow for the detection of surface and subsurface defects, such as cracks, voids, or inclusions, without causing any damage to the material. Each method has its own advantages and limitations, and the choice of testing method depends on the specific requirements and characteristics of the special steel being evaluated.
- Q: What are the requirements for special steel used in mining equipment?
- Special steel used in mining equipment needs to possess certain key requirements. Firstly, it must have high strength and toughness to withstand the harsh and demanding conditions present in mining operations. It should also exhibit excellent wear resistance to endure the abrasive nature of rocks and minerals. Additionally, corrosion resistance is crucial to prevent the steel from deteriorating due to exposure to water, chemicals, and other corrosive substances commonly found in mining environments. Finally, the special steel used in mining equipment should be capable of maintaining its mechanical properties at elevated temperatures, as mining processes often involve high heat generation. Overall, the requirements for special steel in mining equipment revolve around durability, wear resistance, corrosion resistance, and heat resistance.
- Q: What are the different methods of protecting special steel against corrosion?
- There are several methods available for protecting special steel against corrosion. Some of the commonly used methods include: 1. Coating: Applying a protective coating on the surface of the steel is one of the most effective ways to prevent corrosion. This can be done through various techniques such as hot-dip galvanizing, electroplating, or painting. Coatings act as a barrier, preventing moisture and corrosive substances from coming into contact with the steel. 2. Cathodic protection: This method involves the use of a sacrificial anode or an impressed current to protect the steel. In sacrificial anode cathodic protection, a more reactive metal is connected to the steel, which corrodes instead of the steel. On the other hand, impressed current cathodic protection uses an external power source to provide a continuous flow of electrons, preventing the corrosion process. 3. Alloying: Special steel can be alloyed with specific elements to enhance its resistance to corrosion. For example, stainless steel contains chromium, which forms a passive oxide layer on the surface, protecting it from corrosion. Similarly, adding elements such as nickel, molybdenum, or copper can improve the corrosion resistance of the steel. 4. Passivation: Passivation is a chemical process that involves treating the steel with an acid solution to remove any impurities from the surface. This process promotes the formation of a protective oxide layer, which prevents further corrosion. 5. VCI (Volatile Corrosion Inhibitors): VCI compounds are chemicals that release vapors, which form a protective layer on the surface of the steel. This layer acts as a barrier against moisture and corrosive substances, effectively preventing corrosion. 6. Proper maintenance and cleaning: Regular maintenance and cleaning of the steel surface can significantly extend its lifespan and prevent corrosion. Removing dirt, debris, and corrosive substances from the surface reduces the likelihood of corrosion. It is important to note that the choice of method depends on various factors such as the type of steel, the environment it will be exposed to, and the expected lifespan. Consulting with corrosion experts or engineers can help determine the most suitable method for protecting special steel against corrosion.
- Q: What industries use special steel?
- There are several industries that rely on special steel for their operations. One of the significant sectors that utilize special steel is the automotive industry. Special steel is used in the manufacturing of various automotive components such as engine parts, transmission systems, and chassis components. The high strength, durability, and corrosion resistance of special steel make it ideal for the demanding conditions that automotive components are subjected to. The aerospace industry is another sector that extensively uses special steel. Special steel is used in the construction of aircraft structures, engine components, and landing gear systems. The lightweight yet strong properties of special steel are crucial in ensuring the safety and performance of aircraft. The energy sector also relies on special steel for its operations. Special steel is used in the production of equipment for oil and gas exploration, including drilling rigs, pipelines, and offshore platforms. The high-strength and corrosion-resistant properties of special steel are essential in withstanding the harsh operating conditions in the energy industry. The construction industry is another significant consumer of special steel. It is used in the manufacturing of structural components, reinforcing bars, and precast concrete products. Special steel provides the necessary strength and durability required for building structures that can withstand various environmental conditions and loads. The manufacturing and machinery industry also use special steel in the production of heavy machinery, industrial equipment, and machine tools. The high strength, wear resistance, and heat resistance properties of special steel make it suitable for the demanding requirements of these applications. Additionally, the defense and military industry rely on special steel for the production of military vehicles, weapons, and armor. Special steel's ability to withstand extreme conditions and provide protection makes it a critical material in this industry. Overall, special steel finds its applications in various industries due to its exceptional properties of strength, durability, corrosion resistance, and heat resistance. Its usage spans across automotive, aerospace, energy, construction, manufacturing, and defense sectors, where reliability and performance are paramount.
- Q: Can special steel be used in food processing?
- Yes, special steel can be used in food processing. Special steels, such as stainless steel, are commonly used in the food processing industry due to their unique properties that make them suitable for handling food safely. Stainless steel is resistant to corrosion, which makes it ideal for handling acidic or salty foods without the risk of contamination. It is also non-reactive, meaning it does not release any harmful substances into the food during processing. Additionally, stainless steel is easy to clean and maintain, ensuring high hygiene standards in food processing facilities. With these qualities, special steels like stainless steel are widely used in the production of food processing equipment, such as tanks, pipes, and utensils.
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Grade 12Cr1MoVG Alloy Steel / Tubular Steel Round Bar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3 m.t
- Supply Capability:
- 10000 m.t/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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