20Cr Alloy Steel Bar Forged or Hot Rolled
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 50000 m.t./month
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Item specifice
Type:
Alloy Steel
Shape:
Steel Round Bar
20Cr Alloy Steel Bar Forged or Hot Rolled
Product Description:
Grade: ASTM 1020 / 20Cr
State:hot forging+normalizing+turning
Size:90mm to 1500mm
Length:4 to 6 meter or according to request
Billet:EAF+LF+VD
Straightness:≤4mm/m(black), ≤2mm/m(turning)
OD Tolerance:-0/+8mm(black),-0/+3 mm(turning)
Grain Fineness:ASTM E112-96 > Level 5 or better under annealing state;
Non Metallic Inclusion:ASTM E45 A/B/C/D heavy ≤2, thin ≤2.5
Test:SEP1921 CLASS C/C,D/d,E/e;GB/T 6402-91;GB/T6402-2008/ASTM A388/ASTM A709
MTC:EN 10204-3.1/EN10204-3.2 RONA/BV/SGS Certificate
Lead Time:30 to 60 days after order confirmed
Chemical composition:
Grade | C | Cr | Mn | Si | P | S | Ni | Cu | Mo |
≤ | |||||||||
20Cr | 0.18-0.24 | 0.70-1.00 | 0.50-0.80 | 0.17-0.37 | 0.035 | 0.035 | 0.30 | 0.30 | 0.15 |
Features and Use scope:
It has higer intensity and hardenability than 15Cr,worse toughness ,better weldability ,after welding it don't need to heat treatment.It used to making the parts which have special request in intensity of core and the larger-size appearance can bear abrasion ,or cementite parts of complex shape and seldom burthen ,such as gear , gear shaft ,cam, gudgeon pin ,worm and so on ,it also used to making tempering parts of big speed and can bear middle impact load.
Product Show:
- Q:How does special steel contribute to the manufacturing of valves and pumps?
- Special steel plays a crucial role in the manufacturing of valves and pumps. Its exceptional properties such as high strength, corrosion resistance, and heat resistance make it an ideal material choice. Special steel ensures the durability and reliability of valves and pumps, enabling them to withstand harsh conditions, high pressure, and extreme temperatures. Additionally, the precise composition and mechanical properties of special steel allow for efficient fluid flow control and efficient energy transfer in valves and pumps, enhancing their overall performance.
- Q:How does special steel contribute to the mining equipment industry?
- Enhanced durability, strength, and resistance to wear and corrosion are crucial aspects of special steel's role in the mining equipment industry. Mining operations operate in challenging and harsh environments, making robust and reliable equipment essential. Special steel, designed specifically to withstand extreme conditions, improves the overall performance and longevity of mining equipment. The exceptional strength of special steel is one of its main advantages in the mining industry. Conventional materials quickly degrade under the intense forces of crushing, impact, and abrasion that mining equipment experiences. Special steel, however, offers superior strength properties, enabling mining equipment to withstand heavy loads without deformation or breakage. Additionally, special steel provides excellent resistance to wear and corrosion, addressing common challenges in mining operations. Regular steel is susceptible to quick wear from abrasive rocks and minerals, leading to equipment lifespan reduction and increased maintenance costs. Special steel, with its higher hardness and wear resistance, minimizes the impact of abrasive materials, prolonging the life of mining equipment and reducing downtime. Corrosion is another prevalent issue in the mining industry due to exposure to moisture, chemicals, and harsh environments. Special steel is formulated to resist corrosion, ensuring that mining equipment remains structurally sound and functional even in corrosive conditions. This corrosion resistance enhances the overall safety and reliability of mining operations. Furthermore, special steel allows manufacturers to customize and design mining equipment to meet specific needs. Different grades of special steel optimize the properties of mining equipment, enabling it to fulfill the unique requirements of various mining applications. In conclusion, special steel significantly contributes to the mining equipment industry by providing enhanced strength, durability, wear resistance, and corrosion resistance. Its utilization improves performance, extends equipment lifespan, reduces maintenance costs, and enhances safety in mining operations.
- Q:What are the different methods of surface electropolishing for special steel?
- There are several methods of surface electropolishing for special steel, including the use of acid-based or alkaline-based electrolytes, pulse current electropolishing, and reverse current electropolishing. The choice of method depends on factors such as the type of special steel being treated and the desired surface finish.
- Q:How is spring steel used in the automotive industry?
- Spring steel is commonly used in the automotive industry for various purposes. It is primarily utilized to manufacture suspension systems, such as coil springs, leaf springs, and stabilizer bars. The unique properties of spring steel, including its high strength, elasticity, and resistance to deformation, allow these components to effectively absorb shocks and provide a smoother ride. Additionally, spring steel is also employed in the production of engine valves, seat frames, and steering components due to its durability and ability to withstand high temperatures and stress.
- Q:What are the specific requirements for special steel used in the electronics industry?
- The specific requirements for special steel used in the electronics industry include high electrical conductivity, good corrosion resistance, high strength, and the ability to withstand extreme temperatures. Additionally, the steel must have excellent magnetic properties, low thermal expansion, and be easily formable and weldable for manufacturing electronic components.
- Q:How does special steel contribute to reducing product recalls?
- Special steel contributes to reducing product recalls by providing improved strength, durability, and resistance to wear and tear. By using special steel in manufacturing processes, products are less likely to experience structural failures, malfunctions, or breakages that could lead to safety hazards or performance issues. This ultimately enhances the overall quality and reliability of products, minimizing the chances of recalls due to material-related defects.
- Q:How does special steel resist oxidation?
- Special steel resists oxidation due to the presence of alloying elements, such as chromium, that form a protective layer of chromium oxide on the surface of the steel. This layer acts as a barrier, preventing oxygen from reaching the underlying steel and thus inhibiting the oxidation process.
- Q:What are the properties and characteristics of special steel?
- Special steel, also known as alloy steel, has several unique properties and characteristics. Firstly, it possesses exceptional strength, making it highly resistant to deformation and wear. This strength is often achieved through the addition of various elements such as chromium, nickel, and molybdenum, which enhance its toughness and hardness. Additionally, special steel exhibits excellent corrosion resistance, allowing it to withstand harsh environments without succumbing to rust or degradation. It also demonstrates good heat resistance, making it suitable for applications involving high temperatures. Moreover, special steel can be easily machined and welded, offering versatility in manufacturing processes. Overall, the properties and characteristics of special steel make it a preferred material for a wide range of industries, including aerospace, automotive, and construction.
- Q:How does special steel perform in terms of impact resistance?
- Special steel typically performs very well in terms of impact resistance. It is specifically designed to withstand high impact forces without deforming or breaking. This type of steel is often used in applications where strength and durability are crucial, such as in construction, automotive, and aerospace industries. Its superior impact resistance properties make it highly reliable and capable of withstanding heavy loads and sudden impacts.
- Q:What are the safety considerations when working with special steel?
- When working with special steel, there are several important safety considerations to keep in mind. Firstly, it is crucial to wear appropriate personal protective equipment (PPE) such as safety glasses, gloves, and protective clothing to prevent any potential injury. Special steel may have sharp edges or contain hazardous materials, so precautions should be taken to avoid cuts or exposure to harmful substances. Additionally, special steel may require specific handling techniques due to its weight or complexity. It is important to follow proper lifting and handling procedures to prevent strains or accidents. Furthermore, working with special steel often involves the use of heavy machinery or tools, so operators must be trained and qualified to operate such equipment safely. Another safety consideration is the potential for fire or explosion. Depending on the type of special steel, it may have specific flammability properties, and appropriate fire prevention measures should be implemented. This includes having fire extinguishers readily available and ensuring a safe working environment free from any potential ignition sources. Lastly, proper ventilation is crucial when working with special steel, as certain processes may release harmful fumes or gases. Adequate airflow and ventilation systems should be in place to minimize the risk of respiratory issues or chemical exposure. By considering these safety measures, workers can mitigate potential hazards and create a safer working environment when dealing with special steel.
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20Cr Alloy Steel Bar Forged or Hot Rolled
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 50000 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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