Grade AISI5152 CNBM Alloy Special Steel Round Bar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t
- Supply Capability:
- 10000 m.t/month
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Specification
Specifications of Round Bar
Diameter: 4mm - 800mm
Length: Max 12m
Heat Treatment: Normalizing, Annealing, Tempering, Quenching
Chemical Composition and Mechanical Properties
Chemical Composition | Mechanical Properties(In Quenched & Tempered State) | ||
C | 0.17-0.23 | Tensile strength(MPA) | 930 |
Si | 0.17-0.37 | Yield strength (MPA) | 735 |
Mn | 0.90-1.20 | Elongation(δ5/%) | 10 |
Cr | 0.90-1.20 | Reduction in Area (ψ/%) | 45 |
Mo | 0.05 | Impact (J) | 47 |
P | ≤0.030 |
|
|
S | ≤0.030 |
|
|
V | --- | Hardness | 187HBW |
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Carbon steel: Carbon tool steel /Carbon Structural Steel
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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
MOQ: 30 metric tons per specification; we can negotiate the quantity if the specification is normal or we have stock of one specification.
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.
Production Flow of Round Bar
1. The common processes are preheated forging quenching, dual refinement solution process, cooling quenching and isothermal quenching. We use heat treatment for dual refinement solution process.
2. Material prepare (billet) — heat up — rough rolling — precision rolling — cooling — packing — storage and transportation
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: What are the different surface treatment methods used for special steel?
- Some of the surface treatment methods used for special steel include electroplating, hot-dip galvanizing, powder coating, and nitriding.
- Q: What are the different methods for improving the fatigue strength of special steel?
- There are various methods for improving the fatigue strength of special steel, including surface treatments such as shot peening, nitriding, and carburizing. Heat treatments like quenching and tempering can also enhance fatigue strength. Additionally, alloying elements can be added to the steel composition to improve its resistance to fatigue. Lastly, optimizing the steel's microstructure through processes like grain refinement and precipitation hardening can contribute to increased fatigue strength.
- Q: What are the challenges in forming special steel?
- Forming special steel poses several challenges due to its unique characteristics and properties. Some of the main challenges include: 1. High melting point: Special steels often have high melting points, which require specialized equipment and processes to heat and form the material. This can lead to increased energy consumption and cost. 2. Alloy composition: Special steels are typically alloyed with various elements to enhance their properties, such as strength, hardness, and corrosion resistance. However, the precise control of alloy composition can be challenging, as minor variations can significantly affect the material's properties. 3. High carbon content: Certain special steels, such as tool steels, contain high carbon content to enhance hardness and wear resistance. However, this high carbon content makes the material more prone to cracking during forming processes like forging or rolling. Special care must be taken to prevent these cracks and ensure the desired shape is achieved. 4. Heat treatment requirements: Special steels often require specific heat treatment processes, such as quenching and tempering, to achieve the desired mechanical properties. These processes can be complex and require precise control of temperature, time, and cooling rates. Failure to properly carry out heat treatment can result in poor material performance or even structural failure. 5. Surface finish and dimensional accuracy: Special steels are often used in applications where surface finish and dimensional accuracy are critical, such as in the aerospace or automotive industry. Achieving the required surface finish and dimensional accuracy during forming operations can be challenging, requiring advanced tooling and precision machining techniques. 6. Specialized equipment and expertise: Special steels may require specialized equipment and expertise to form, such as high-pressure hydraulic presses, induction heating equipment, or vacuum furnaces. These specialized tools and processes add complexities and costs to the manufacturing process. Despite these challenges, forming special steels is essential in various industries where their unique properties are required. Manufacturers continuously invest in research and development to overcome these challenges and improve the forming processes of special steels.
- Q: Is special steel suitable for electrical and electronic applications?
- Yes, special steel is suitable for electrical and electronic applications. Special steel is often used in electrical and electronic applications due to its excellent conductivity, high strength, and resistance to corrosion and wear. It is commonly utilized in the manufacturing of electrical connectors, circuit breakers, transformers, and various other components in the electrical and electronic industry.
- Q: Can special steel be used in cryogenic applications?
- Yes, special steel can be used in cryogenic applications. Special steels, such as stainless steels, are known for their excellent resistance to low temperatures and can maintain their mechanical properties even at extremely cold temperatures. This makes them suitable for use in cryogenic applications where materials need to withstand and perform well in extreme cold environments.
- Q: What are the main industries that use special steel?
- Special steel is widely used in several industries due to its unique properties and characteristics. Some of the main industries that heavily rely on special steel include: 1. Automotive Industry: Special steel is extensively used in the manufacturing of various automotive components such as engine parts, transmission gears, suspension systems, and exhaust systems. Its high strength, durability, and resistance to wear and corrosion make it ideal for these applications. 2. Aerospace Industry: Special steel is crucial for the aerospace industry as it is used in the production of aircraft components including turbine blades, landing gears, and structural parts. The high temperature resistance, strength, and lightweight properties of special steel are vital for ensuring the safety and efficiency of aerospace systems. 3. Energy and Power Generation: Special steel finds applications in the energy sector, particularly in power plants and nuclear facilities. It is used for the construction of turbines, generators, and heat exchangers, where its high temperature resistance and exceptional strength are vital for efficient energy production. 4. Oil and Gas Industry: Special steel is extensively used in the oil and gas sector for drilling equipment, pipelines, valves, and other components. The corrosion resistance, high strength, and ability to withstand extreme conditions make special steel a preferred choice in this industry. 5. Construction and Infrastructure: Special steel is utilized in the construction industry for various purposes such as building structures, bridges, and high-rise buildings. Its high tensile strength, durability, and resistance to impact and corrosion ensure the integrity and longevity of these structures. 6. Tool and Die Making: Special steel is widely used in the manufacturing of tools and dies for various industrial processes. Its hardness, toughness, and wear resistance make it ideal for applications such as cutting, drilling, and shaping metals. 7. Defense and Military: Special steel plays a crucial role in the defense and military sector, where it is used for the production of armored vehicles, weapons, and other military equipment. Its ability to withstand high impacts, resist ballistic penetration, and maintain structural integrity under extreme conditions is vital for ensuring the safety and effectiveness of military operations. In summary, the main industries that heavily rely on special steel include automotive, aerospace, energy and power generation, oil and gas, construction and infrastructure, tool and die making, and defense and military. These industries benefit from the unique properties of special steel, such as high strength, durability, resistance to wear and corrosion, and the ability to withstand extreme conditions.
- Q: How does special steel contribute to reducing maintenance costs?
- Special steel contributes to reducing maintenance costs by providing increased durability and resistance to wear and corrosion. Its superior strength and hardness properties make it less susceptible to damage, thereby reducing the frequency of repairs and replacements. Additionally, special steel's ability to withstand extreme temperatures and harsh environmental conditions extends the lifespan of components, reducing the need for frequent maintenance and associated costs.
- Q: What are the common challenges in heat treatment of special steel?
- The heat treatment of special steel presents several common challenges that need to be carefully addressed in order to achieve desired material properties. One of the key challenges is the need for precise temperature control during the heating and cooling processes. Special steels often have specific heat treatment temperature ranges that need to be strictly followed to achieve the desired microstructure and mechanical properties. Failure to maintain precise temperature control can result in inadequate or inconsistent heat treatment, leading to suboptimal material performance. Another challenge is the potential for distortion or warping of the steel components during the heat treatment process. Special steels often have complex shapes or intricate designs, making them more susceptible to distortion when exposed to high temperatures. This distortion can negatively impact the dimensional accuracy and overall quality of the final product. Hence, careful consideration must be given to the selection of appropriate heating and cooling methods, as well as the use of fixtures or jigs to minimize distortion. Furthermore, special steels may contain alloying elements that can have a significant influence on the heat treatment process. Alloying elements such as chromium, molybdenum, or vanadium can alter the hardenability, tempering response, or transformation behavior of the steel. These elements may introduce additional challenges when determining the optimal heat treatment parameters, as their presence can necessitate adjustments to the heating and cooling rates, soak times, or quenching media. Lastly, achieving uniformity in heat treatment across a batch of special steel components can be a challenge. Variations in size, shape, or composition within a batch can lead to inconsistent heat treatment results. Controlling the heating and cooling rates, ensuring proper circulation of the heat treatment media, and implementing effective process monitoring techniques are essential for achieving consistent and uniform material properties. In conclusion, the common challenges in heat treatment of special steel include precise temperature control, distortion/warping, the influence of alloying elements, and achieving uniformity across a batch. Addressing these challenges requires a thorough understanding of the steel's composition, careful process planning, and the use of appropriate process controls and monitoring techniques.
- 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: Can special steel be used in the agricultural sector?
- Indeed, the agricultural sector can utilize special steel. Special steel pertains to steel alloys crafted and engineered to possess distinct and superior characteristics. These qualities encompass heightened strength, corrosion resistance, wear resistance, and heat resistance, among others. Within the realm of agriculture, numerous applications can highly benefit from special steel. One notable application involves the production of agricultural machinery and equipment. Components like blades, cutting edges, plowshares, and tillage tools necessitate the ability to endure substantial loads, abrasion, and harsh environmental conditions. By employing special steel, with its superior strength and wear resistance, the lifespan of these components can be significantly extended. Consequently, maintenance and replacement costs for farmers are reduced. Furthermore, special steel can play a role in constructing storage facilities and infrastructure within the agricultural sector. Structures such as grain silos, barns, and livestock shelters often demand materials capable of resisting corrosion caused by moisture, chemicals, and animal waste. Special steel alloys, equipped with enhanced corrosion resistance properties, offer a durable and enduring solution. This enables farmers to store their crops and livestock in a secure and reliable environment. Moreover, special steel can be employed in fabricating irrigation systems and pipelines. These systems necessitate materials capable of enduring exposure to water, soil, and fertilizers without degradation or corrosion. Special steel grades, like stainless steel, boasting excellent corrosion resistance, can be utilized to ensure the longevity and efficiency of irrigation systems. This reduces water wastage and fosters enhanced agricultural productivity. In conclusion, the agricultural sector can indeed employ special steel, thanks to its exceptional qualities such as strength, corrosion resistance, wear resistance, and heat resistance. Its applications span from the manufacturing of agricultural machinery and equipment to the construction of storage facilities and irrigation systems. Embracing special steel allows farmers to enjoy heightened durability, reduced maintenance costs, and improved efficiency, thereby contributing to the growth and sustainability of the agricultural sector.
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Grade AISI5152 CNBM Alloy Special Steel Round Bar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t
- Supply Capability:
- 10000 m.t/month
OKorder Service Pledge
OKorder Financial Service
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