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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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 coating methods used for special steel?
- There are several surface coating methods used for special steel, including electroplating, hot-dip galvanizing, powder coating, and PVD (Physical Vapor Deposition) coating. Each method provides unique properties such as corrosion resistance, improved aesthetics, and enhanced durability, depending on the specific requirements of the steel application.
- Q: Can special steel be used in the defense sector?
- Yes, special steel can be used in the defense sector. Special steel alloys and compositions offer enhanced strength, hardness, corrosion resistance, and other desirable properties, making them suitable for various military applications. These include armor plating, missile casings, gun barrels, aircraft components, and naval vessels. Special steel's high performance and durability make it an important material in the defense sector.
- Q: Can special steel be used in marine environments?
- Yes, special steel can be used in marine environments. Special steel, such as stainless steel or marine-grade steel, is specifically designed to withstand the harsh conditions of marine environments. These environments typically involve exposure to saltwater, which can be highly corrosive for many types of materials. However, special steel is resistant to corrosion due to its high levels of chromium and other alloying elements. This makes it highly suitable for various marine applications, including shipbuilding, offshore structures, and marine equipment. Special steel offers excellent strength, durability, and corrosion resistance, making it a reliable choice for marine environments. Additionally, special steel can be further treated and coated to enhance its resistance to corrosion, ensuring its longevity and performance in marine conditions.
- Q: What are the main factors affecting the heat resistance of special steel?
- The heat resistance of special steel is determined by several key factors, including its alloy composition, microstructure, and heat treatment. The addition of specific elements like chromium, nickel, molybdenum, and tungsten can enhance the steel's ability to withstand high temperatures by forming stable oxide layers on its surface, which protect against oxidation and corrosion. The microstructure of special steel also plays a role in its heat resistance. Factors like grain size, phase distribution, and the presence of precipitates can affect the steel's thermal stability. Fine-grained structures and a homogeneous phase distribution improve resistance to creep, while precipitates like carbides or intermetallic compounds strengthen the steel and prevent thermal softening. Heat treatment processes, such as quenching and tempering, have a significant impact on the heat resistance of special steel. Proper heat treatment optimizes the microstructure and enhances mechanical properties, including resistance to thermal degradation. Controlled quenching, for example, promotes the formation of a martensitic structure, which increases hardness and strength at high temperatures. Other factors that influence heat resistance include impurities, surface conditions, and environmental factors. Impurities like sulfur and phosphorus can reduce resistance to high temperatures by promoting brittle phase formation or oxidation. Surface conditions, such as roughness or cracks, can cause localized heating and accelerated degradation. Environmental factors like corrosive gases or high humidity can also promote oxidation or corrosion. In conclusion, the heat resistance of special steel is affected by alloy composition, microstructure, heat treatment, impurities, surface conditions, and environmental factors. Understanding and optimizing these factors are crucial for developing special steel with superior heat resistance for various industrial applications.
- Q: How does special steel perform in hydrogen embrittlement conditions?
- Special steel performs differently in hydrogen embrittlement conditions compared to other types of steel. Hydrogen embrittlement occurs when hydrogen atoms diffuse into the steel's lattice structure, causing it to become brittle and prone to cracking under stress. However, special steel is designed to have improved resistance to hydrogen embrittlement. It typically contains specific alloying elements that reduce the diffusion of hydrogen and enhance its resistance to embrittlement. Additionally, special steel often undergoes specialized heat treatments or surface coatings to further enhance its resistance to hydrogen embrittlement. Overall, special steel performs better in hydrogen embrittlement conditions compared to regular steel, making it a preferred choice for applications where exposure to hydrogen is a concern.
- Q: How does special steel ensure dimensional stability?
- Dimensional stability is guaranteed by special steel through a variety of mechanisms. To begin with, special steel possesses exceptional strength and toughness, enabling it to withstand external forces and prevent deformation. This characteristic is of utmost importance in applications where precise dimensional accuracy is critical, such as in precision machinery or tooling. Moreover, special steel is subjected to specific heat treatment processes to enhance its dimensional stability. For instance, the common practices of quenching and tempering are employed to augment the steel's hardness and resistance to wear, while simultaneously minimizing the risk of warping or distortion. These treatments also aid in preserving the steel's shape and size over time, even in the face of fluctuating temperature conditions. Additionally, special steel often incorporates alloying elements like chromium, nickel, or molybdenum, which contribute to its corrosion resistance. By preventing oxidation and rusting, these alloying elements assist in maintaining the steel's dimensional stability by averting any deterioration or loss of material due to corrosion. Furthermore, the manufacturing process of special steel adheres to rigorous quality control measures to ensure consistent dimensional accuracy. This encompasses meticulous control of the composition, refining techniques, and casting or forging processes. By maintaining precise tolerances during production, special steel can achieve the requisite dimensional stability demanded by specific applications. In conclusion, special steel secures dimensional stability through its exceptional strength, heat treatment processes, inclusion of alloying elements for corrosion resistance, and stringent quality control during manufacturing. These factors collectively contribute to the preservation of the steel's shape, size, and precision over time.
- Q: How does special steel contribute to reducing product costs?
- Special steel contributes to reducing product costs in several ways. Firstly, special steel has a higher strength-to-weight ratio, meaning that less material is required to achieve the same strength and performance as traditional steel. This reduces the overall amount of steel needed for manufacturing, leading to cost savings. Additionally, special steel is known for its durability and resistance to wear, corrosion, and heat, thus reducing the need for frequent repairs or replacements. This prolongs the lifespan of products, resulting in reduced maintenance and replacement costs. Furthermore, special steel often allows for more precise and efficient manufacturing processes, such as forging or machining, which can lower production costs by minimizing waste and improving productivity. Overall, the use of special steel in product manufacturing helps to optimize material usage, enhance durability, and streamline production, consequently reducing product costs.
- Q: What are the limitations of special steel?
- Some limitations of special steel include its high cost and limited availability, as well as the difficulty in shaping and processing it. Additionally, special steel may have lower tensile strength compared to other materials and can be prone to corrosion if not properly maintained.
- Q: What are some innovative applications of special steel?
- The distinct properties and characteristics of special steel, also known as alloy steel, enable it to be utilized in a wide range of innovative applications. Some of these applications include: 1. Aerospace Industry: The aerospace industry extensively employs special steel for the production of critical components such as turbine blades, landing gears, and structural parts. Its exceptional strength, excellent corrosion resistance, and ability to withstand extreme temperatures make it an optimal choice for these applications. 2. Automotive Industry: Various applications in the automotive industry benefit from special steel, including the manufacture of engine components, suspension systems, and safety-related parts. Its remarkable strength-to-weight ratio and resistance to wear and fatigue ensure enhanced performance, durability, and safety in vehicles. 3. Medical Devices: Special steel finds use in the manufacturing of surgical instruments, implants, and medical equipment. Its biocompatibility, high strength, and corrosion resistance make it suitable for implant use in artificial joints, stents, and dental implants. 4. Energy Sector: The energy sector heavily relies on special steel, particularly in power plants, nuclear reactors, and oil and gas facilities. Special steel pipes and tubes are employed for fluid and gas conveyance, while its ability to withstand high temperatures is crucial for components like steam turbines and boilers. 5. Tooling and Machining: Special steel is extensively utilized in tooling and machining processes due to its exceptional hardness, toughness, and wear resistance. Its application in the production of cutting tools, dies, molds, and machine components ensures precision, extended tool life, and increased productivity. 6. Defense and Security: The defense and security sectors utilize special steel for the production of armored vehicles, ballistic protection, and military-grade equipment. Its capacity to withstand high impact and offer superior protection against projectiles and explosions make it an indispensable material for these applications. 7. Construction and Infrastructure: Special steel is widely employed in the construction industry for applications such as bridges, high-rise buildings, and infrastructure projects. Its high tensile strength, corrosion resistance, and durability ensure structural integrity and safety. 8. Renewable Energy: Special steel is employed in the renewable energy sector, particularly in wind turbines and solar energy systems. Its high strength and resistance to fatigue ensure the reliability and longevity of these energy generation systems. In conclusion, special steel, with its unique properties, finds numerous innovative applications across various industries. From aerospace and automotive to medical devices and renewable energy, this versatile material continues to drive advancements and meet the evolving needs of modern technology and society.
- Q: Can special steel be used in the food processing industry?
- Yes, special steel can be used in the food processing industry. Special steel, such as stainless steel, is commonly used in food processing equipment and utensils due to its corrosion resistance, durability, and ability to maintain hygiene standards. It is suitable for applications that require frequent cleaning, exposure to moisture, and contact with food, ensuring the safety and quality of food processing operations.
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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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