Grade DIN41C4 alloy steel round bars Hot Rolled
- Ref Price:
-
- Loading Port:
- Tianjin
- 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
Product Description:
1. Commodity: Round steel bar
2. Technical: Hot rolling
3. Length: Min. 5.8meter, according to requirement.
4.Diameter: 16mm-250mm
OKorder is offering Grade 41Cr4 alloy steel round bar at great prices with worldwide shipping. Our supplier is a quality manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American,African and Asian markets..etd. We will quote you our most competitive prices within 24 hours after received the inquiry and guarantee the quality.
Product Applications:
Grade DIN41Cr4 Alloy steel round bar are ideal for structural applications and are widely used in the
Gear, Sleevesspool,Shaft, Crankshaft, Pin,Gear, Sleevesspool,Shaft, Crankshaft, Pin
Product Advantages:
OKorder's Grade DIN41Cr4 alloy steel are durable, strong, and resist corrosion.
Chemical Composition
Grade | C | Si | Mn | Cr | Ni | Cu | P | S |
40Cr | 0.37-0.44 | 0.17-0.37 | 0.50-0.80 | 0.80-1.10 | ≤0.30 | ≤0030 | ≤0.035 | ≤0.035 |
41Cr4 | 0.38-0.45 | ≤0.40 | 0.60-0.90 | 0.90-1.20 | ≤0.030 | ≤0.030 | ≤0.035 | ≤0.035 |
5140 | 0.38-0.43 | 0.17-0.37 | 0.70-0.90 | 0.70-0.90 | ≤0.030 | ≤0.030 | ≤0.040 | ≤0.035 |
Mechanical Properties
Grade | Tensile Strengthσb (MPa) | Yield Strength | Elongation | Reduction of Area ψ (%) | Impact Akv(J) | Hardness |
|
| |||||
σs (MPa) | δ5 (%) | |||||
41Cr4 | ≥980(100) | ≥785(80) | ≥9 | ≥45 | ≥47 | ≤207HB |
Packaging & Delivery
Standard seaworthy packing or as customer required
Leadtime
Delivery time: Within 30 days after order is confirmed.
- Q: What are the different methods of testing special steel for quality assurance?
- To ensure quality assurance, special steel undergoes testing using various methods. These methods are as follows: 1. Chemical Analysis: The composition of the steel is determined by analyzing its chemical elements and their respective quantities. This analysis ensures that the steel meets the specified requirements and is free from impurities. 2. Mechanical Testing: The strength, hardness, and other mechanical properties of the steel are assessed through mechanical testing. Tensile tests, hardness tests, impact tests, and fatigue tests are commonly performed to evaluate the steel's performance under different conditions and ensure it meets the required standards. 3. Non-Destructive Testing (NDT): NDT techniques are utilized to detect any surface or internal defects in the steel without causing damage. Magnetic particle testing, ultrasonic testing, radiographic testing, and dye penetrant testing are commonly employed methods for NDT. These tests are crucial in identifying flaws that may compromise the steel's structural integrity. 4. Metallurgical Analysis: The quality of the steel is assessed through microscopic examination of its microstructure. This analysis helps identify grain size variations, inclusions, or phase transformations that might affect the steel's performance. Metallography, optical microscopy, and electron microscopy are commonly used techniques for metallurgical analysis. 5. Corrosion Testing: Considering that special steel is often exposed to harsh environments, corrosion resistance is a critical quality parameter. Corrosion testing evaluates the steel's resistance to corrosion in various conditions. Salt spray testing, electrochemical testing, and exposure to corrosive environments are some methods used for corrosion testing. 6. Dimensional Inspection: Dimensional inspection ensures that the special steel meets the specified dimensional requirements. This involves measuring the steel's dimensions, including length, width, thickness, and other critical dimensions, using calibrated instruments. By employing these diverse methods, manufacturers can conduct thorough testing of special steel to ensure it meets the required quality standards. This comprehensive testing guarantees the steel's performance, durability, and reliability in various applications.
- Q: How does special steel contribute to the energy generation industry?
- Special steel contributes to the energy generation industry by providing high-strength, corrosion-resistant, and heat-resistant materials that are crucial for the construction and maintenance of power plants, turbines, and other energy infrastructure. This ensures the reliability, efficiency, and longevity of these structures, enabling them to withstand extreme conditions and maximize energy production.
- Q: How is special steel used in the construction manufacturing process?
- Special steel is used in the construction manufacturing process due to its unique properties and characteristics. It is commonly utilized in the production of structural components, such as beams, columns, and reinforcements, where high strength, durability, and resistance to corrosion are crucial. Special steel also finds application in the manufacturing of machinery, equipment, and tools used in construction, thanks to its ability to withstand heavy loads and extreme conditions. Additionally, it is used for specialized purposes like in the construction of bridges, skyscrapers, and other architectural marvels, where its exceptional strength and reliability are essential for ensuring the safety and longevity of the structures.
- Q: How does surface treatment affect the performance of special steel?
- Surface treatment plays a crucial role in enhancing the performance of special steel. The primary purpose of surface treatment is to alter the surface properties of the steel to meet specific requirements and improve its performance in various applications. One significant effect of surface treatment on special steel is increased corrosion resistance. By applying coatings or treatments such as galvanization, electroplating, or passivation, the steel's surface becomes more resistant to the damaging effects of moisture, chemicals, and other corrosive agents. This is particularly important in industries like construction, automotive, or marine, where steel is exposed to harsh environments. Surface treatment also affects the wear resistance of special steel. Through processes like carburizing, nitriding, or boriding, a thin layer of hard and wear-resistant material is formed on the steel's surface. This significantly improves its ability to withstand friction, abrasion, and mechanical stress, making it suitable for applications involving heavy machinery, cutting tools, or bearings. Furthermore, surface treatment can enhance the aesthetic appeal of special steel. Techniques like polishing, grinding, or coating can improve the steel's appearance, making it more visually appealing for architectural or decorative purposes. Another important aspect affected by surface treatment is the steel's adhesion properties. By modifying the surface through processes such as shot peening or surface etching, the steel becomes more receptive to adhesives, paints, or coatings. This improves the bond strength between the steel and other materials, making it suitable for applications where adhesion is critical, such as in aerospace or electronics industries. In summary, surface treatment significantly impacts the performance of special steel. It enhances corrosion resistance, wear resistance, adhesion properties, and aesthetic appeal. By selecting the appropriate surface treatment techniques, manufacturers can tailor the steel's surface properties to meet specific application requirements, thereby maximizing its performance and extending its lifespan.
- Q: How does special steel contribute to the creep resistance of products?
- Special steel contributes to the creep resistance of products by offering enhanced mechanical properties, such as high tensile strength and toughness, which help to resist deformation and damage over time. Additionally, the unique alloying elements and heat treatment processes used in special steel production further improve its resistance to creep, which is the gradual deformation occurring under prolonged exposure to high temperatures and constant stress. This makes special steel a reliable choice for applications where long-term structural integrity and durability are crucial, such as in high-temperature environments or load-bearing components.
- Q: Can special steel be used in the textile manufacturing industry?
- Yes, special steel can be used in the textile manufacturing industry. It is commonly used in the production of textile machinery, such as knitting machines, looms, and sewing machines, due to its durability, strength, and resistance to wear and tear. Additionally, special steel can be used in the production of textile accessories, like needles and pins, to ensure precision and longevity.
- Q: How is special steel recycled?
- Special steel can be recycled through a process called electric arc furnace (EAF) recycling. In this method, the steel scrap is melted in an electric arc furnace, where impurities are removed and alloying elements are added to obtain the desired composition. The molten steel is then cast into new shapes or used to produce various steel products. This recycling process helps to conserve resources, reduce energy consumption, and minimize waste in the steel industry.
- Q: What are the different magnetic grades of special steel?
- The different magnetic grades of special steel include ferritic, martensitic, austenitic, and duplex stainless steels.
- Q: How does special steel contribute to the infrastructure sector?
- Special steel plays a crucial role in the infrastructure sector by contributing to the construction and maintenance of various structures. It is widely used in the sector due to its exceptional strength, durability, and resistance to wear and tear. One of the key areas where special steel makes a significant contribution is in the construction of bridges. Bridges are subjected to heavy loads, extreme weather conditions, and constant vibrations, making the use of high-quality steel essential. Special steel, such as high-strength low-alloy (HSLA) steel or weathering steel, provides the necessary strength and corrosion resistance to ensure the longevity and safety of bridges. Moreover, special steel is also extensively utilized in the construction of high-rise buildings and skyscrapers. These structures require steel that can withstand tremendous loads and provide stability. Special steel grades, such as high-strength steel or structural steel, offer the necessary strength-to-weight ratio, allowing architects and engineers to design taller and more robust structures. In addition to its usage in construction, special steel also contributes to the infrastructure sector through its application in manufacturing equipment and machinery used for construction and maintenance activities. It is used in the production of heavy machinery, cranes, excavators, and other construction equipment, providing the necessary strength and reliability to withstand the demanding conditions of the sector. Furthermore, special steel is crucial in the development of transportation infrastructure. It is used in the manufacturing of railway tracks, ensuring their durability and resistance to wear caused by the continuous movement of trains. Additionally, it is used in the production of reinforcing bars for concrete in road construction, providing the necessary strength and stability to withstand heavy traffic loads. Overall, special steel's exceptional properties make it an indispensable material in the infrastructure sector. Its strength, durability, and resistance to corrosion contribute to the construction and maintenance of various structures, ensuring their longevity, safety, and reliability.
- Q: What are the main challenges in welding special steel?
- The main challenges in welding special steel typically include issues such as high heat input requirements, susceptibility to cracking, and the need for precise preheating and post-weld heat treatment. Additionally, the presence of alloying elements in special steel can make it more difficult to achieve the desired mechanical properties and require careful selection of filler materials.
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Grade DIN41C4 alloy steel round bars Hot Rolled
- Ref Price:
-
- Loading Port:
- Tianjin
- 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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