Alloy Steel Rebar Made in China
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 110 m.t.
- Supply Capability:
- 50000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Item specifice
Type:
Carbon Steel
Shape:
Steel Round Bar
Alloy Steel Rebar Made in China
Description of Alloy Steel Rebar Made in China
1, Diameter: 5.5mm-10mm Alloy Steel Rebar
10m- 40mm Alloy Steel Rebar
2, Length: 6m, 9m, 12m or customized
3, Standard: GB, ASTM, AISI, SAE, DIN, JIS, EN
OEM technology - send detailed technical parameters for accurate quotation.
2, Produce Process: smelt iron - EAF smelt billet - ESR smelt billet -
hot rolled or forged to get the steel round bar and plate
3, Heat Treatment: annealing, normalizing, tempering, quenching
4, Surface Treatment: Black
5, Quality Assurance: We accept third party inspection for all orders.
You can ask testing organizations such as SGS, BV, etc. to test our products before shipping.
Chemical Composition of Alloy Steel Rebar Made in China
Grade | Technical data of the original chemical composition(%) | |||||
Reinforcing steel bar HRB335 | C | Mn | Si | S | P | B |
≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | >0.0008 | |
Physics Capability | ||||||
Yield Strength(N/cm2) | Tensile Strength(N/cm2) | Elongation(%) | ||||
≥ 335 | ≥490 | ≥16 | ||||
Reinforcing steel bar HRB400 | C | Mn | Si | S | P | B |
≤0.25 | ≤0.16 | ≤0.80 | ≤0.045 | ≤0.045 | 0.04-0.12 | |
Physics Capability | ||||||
Yield Strength(N/cm2) | Tensile Strength(N/cm2) | Elongation(%) | ||||
≥ 400 | ≥ 570 | ≥ 14 | ||||
Products Show of Alloy Steel Rebar Made in China
Company Information
CNBM International Corporation is the most important trading platform of CNBM group.
Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.
F A Q
1, Your advantages?
professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale
2, Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3, Factory or Trading Company?
CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.
4, Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
5, Trading Terms?
EXW, FOB, CIF, FFR, CNF
6, After-sale Service?
CNBM provides the services and support you need for every step of our cooperation. We're the business partner you can trust.
For any problem, please kindly contact us at any your convenient time.
We'll reply you in our first priority within 24 hours.
- Q:What are the main applications of special steel in the power generation sector?
- Special steel is extensively used in the power generation sector for various critical applications. Some of the main applications include turbine blades, rotors, and casings, which require high strength, heat resistance, and corrosion resistance. Additionally, special steel is used in the construction of power plant boilers, pressure vessels, and piping systems, ensuring efficient operation and long-term durability. Furthermore, it finds application in the manufacturing of electrical components such as generators, transformers, and transmission lines, where its superior electrical conductivity and magnetic properties are crucial. Overall, special steel plays a vital role in enhancing the performance, reliability, and safety of power generation equipment and infrastructure.
- Q:What are the different methods for improving the fatigue strength of special steel?
- There are several methods for improving the fatigue strength of special steel. 1. Heat treatment: One of the most common methods is through heat treatment processes such as annealing, quenching, and tempering. These processes help to refine the microstructure of the steel, reducing the presence of impurities, and improving its fatigue resistance. 2. Surface treatment: Surface treatments like shot peening and nitriding can enhance the fatigue strength of special steel. Shot peening involves bombarding the surface of the steel with tiny metal particles, inducing compression stress in the material, which helps to prevent crack initiation and propagation. Nitriding involves diffusing nitrogen into the surface layer of the steel, forming a hard and wear-resistant nitride layer that enhances the fatigue resistance. 3. Alloying: Alloying special steel with certain elements can significantly improve its fatigue strength. For example, adding chromium, molybdenum, or vanadium can enhance the steel's hardenability and resistance to fatigue. These alloying elements form carbides or nitrides, which act as barriers to crack propagation. 4. Surface coatings: Applying protective coatings like electroplating, hot-dip galvanizing, or physical vapor deposition (PVD) can help improve the fatigue strength. These coatings provide a barrier against environmental factors that may lead to corrosion or surface damage, ultimately enhancing the fatigue life of the steel. 5. Grain refinement: By refining the grain size of the steel through processes like severe plastic deformation or equal channel angular pressing (ECAP), the fatigue strength can be improved. Fine-grained steels have a higher resistance to crack initiation and propagation, resulting in enhanced fatigue properties. 6. Residual stress management: Controlling and managing residual stresses in the steel can improve its fatigue strength. Techniques like stress relieving or shot peening can help to reduce tensile residual stresses, which are detrimental to fatigue resistance. It is important to note that the selection of the most appropriate method for improving fatigue strength depends on the specific requirements, the type of special steel, and the intended application of the material.
- Q:What are the requirements for special steel used in telecommunications equipment manufacturing?
- The requirements for special steel used in telecommunications equipment manufacturing typically include high strength, excellent corrosion resistance, good electrical conductivity, and the ability to withstand extreme temperatures. Additionally, the steel should possess good formability and weldability to facilitate the manufacturing process.
- Q:What are the properties of corrosion-resistant tool steel?
- Corrosion-resistant tool steel possesses several key properties. Firstly, it exhibits excellent resistance to corrosion, which prevents the formation of rust and other forms of deterioration. Additionally, it maintains its strength and hardness even in harsh environments, making it highly durable and long-lasting. This type of tool steel also demonstrates good wear resistance, minimizing the risk of abrasion and extending its lifespan. Finally, corrosion-resistant tool steel can be easily machined and formed, allowing for precise manufacturing processes.
- Q:How does special steel contribute to improving product durability?
- Special steel contributes to improving product durability in several ways. Firstly, special steel has superior strength and toughness compared to regular steel, making it more resistant to wear and tear. This allows products made from special steel to withstand heavy usage and harsh conditions without losing their structural integrity. Additionally, special steel is often more corrosion-resistant, preventing rust and other forms of deterioration that can compromise a product's longevity. Lastly, special steel can be tailored to specific applications, enabling manufacturers to design products with optimal performance and durability in mind. Overall, special steel plays a crucial role in enhancing product durability and extending their lifespan.
- Q:What are the advancements and trends in the field of special steel?
- Recent years have seen remarkable progress and emerging patterns in the field of special steel, which have brought about revolutionary changes in various industries. The primary driving force behind these advancements is the increasing demand for high-performance materials in critical applications such as aerospace, automotive, energy, and construction. One of the major breakthroughs in the field of special steel is the development of advanced manufacturing techniques. Conventional steel production methods have been replaced by more efficient processes, such as electric arc furnaces and vacuum induction melting, resulting in improved steel quality and enhanced mechanical properties. These advancements have made it possible to produce special steels with exceptional strength, corrosion resistance, and heat resistance. Another significant trend in the field of special steel is the emergence of new alloy compositions. Researchers and manufacturers are continuously exploring and developing innovative alloying elements to enhance the properties of special steels. For example, the addition of elements like chromium, molybdenum, and vanadium has led to the creation of stainless steels with outstanding resistance to corrosion and oxidation. Furthermore, advancements in heat treatment processes have also been witnessed in the field of special steel. By utilizing advanced heat treatment techniques such as quenching and tempering, austempering, and martempering, special steels can achieve the desired hardness, toughness, and dimensional stability. These advancements have significantly broadened the range of applications for special steels, allowing them to be used in critical components that operate under extreme conditions. In addition to the progress in manufacturing and alloy compositions, there is a growing inclination towards the development of environmentally friendly special steels. With increasing concerns about sustainability and carbon footprint, researchers and manufacturers are focusing on reducing the environmental impact of steel production. This has resulted in the creation of special steels with lower carbon content, as well as the implementation of energy-efficient manufacturing processes. Moreover, the field of special steel is witnessing the integration of digital technologies and automation. The utilization of artificial intelligence, machine learning, and data analytics enables manufacturers to optimize production processes, improve quality control, and reduce costs. This shift towards Industry 4.0 is transforming the production and utilization of special steel, ensuring greater efficiency and precision in the manufacturing process. In conclusion, the field of special steel is experiencing significant advancements and trends that are fostering innovation in various industries. The development of advanced manufacturing techniques, new alloy compositions, improved heat treatment processes, environmentally friendly production methods, and the integration of digital technologies are revolutionizing the properties and applications of special steel. These advancements have not only enhanced the performance and durability of special steel but have also opened up new possibilities for its utilization in critical applications.
- Q:What are the challenges in machining special steel alloys?
- Special steel alloys pose several challenges when it comes to machining, primarily due to their unique properties and characteristics. The first major challenge is their high hardness, which is often enhanced through heat treatment to improve mechanical properties. As a result, traditional cutting tools wear out quickly or become dull, making it difficult to machine these alloys. Additionally, the high hardness increases the risk of tool breakage, leading to frequent tool changes and increased production downtime. Another challenge is the presence of abrasive elements in special steel alloys, such as chromium, tungsten, or vanadium. These elements can cause rapid tool wear and degradation, resulting in reduced cutting tool life and higher machining costs. Moreover, if not managed properly during the machining process, these abrasive elements can lead to poor surface finish and dimensional accuracy. Furthermore, special steel alloys have low thermal conductivity, making it challenging to dissipate the heat generated during machining. This can result in high temperatures at the cutting zone, causing thermal expansion and distortion of the workpiece. The heat also affects the cutting tool, reducing its efficiency and lifespan. Effective heat management is crucial to prevent workpiece deformation and maintain dimensional accuracy. Moreover, these steel alloys are prone to work hardening, meaning they become harder and more difficult to cut as the machining process progresses. Work hardening leads to increased cutting forces, tool wear, and reduced surface finish. To overcome this challenge, machining parameters such as cutting speed, feed rate, and depth of cut must be carefully optimized to avoid excessive work hardening. In conclusion, machining special steel alloys involves overcoming challenges such as high hardness, abrasive elements, low thermal conductivity, and work hardening. To address these challenges effectively, manufacturers need to use specialized cutting tools, efficient cooling and lubrication systems, optimize machining parameters, and carefully select machining strategies. By doing so, accurate and efficient machining of special steel alloys can be achieved.
- Q:How does special steel contribute to the marine aftermarket industry?
- The marine aftermarket industry heavily relies on special steel, which offers a myriad of advantages and applications. To start, special steel possesses extraordinary strength and durability, making it an ideal choice for manufacturing marine parts and components. These include propeller shafts, rudders, marine engine parts, and various structural elements. The marine environment is notoriously harsh and corrosive, with constant exposure to saltwater, waves, and extreme weather conditions. Specifically designed to withstand these corrosive elements, special steel, such as stainless steel or corrosion-resistant alloys, provides exceptional resistance to rust, pitting, and other forms of corrosion. This ensures the longevity and dependability of marine equipment. In addition, special steel is frequently employed in high-performance marine engines and turbines due to its remarkable heat resistance and mechanical properties. It can endure high temperatures and pressures, making it suitable for marine propulsion systems that require superior performance and efficiency. Moreover, special steel finds extensive usage in the construction of marine vessels, including ships, offshore platforms, and submarines. Its high strength-to-weight ratio allows for the creation of lightweight yet robust structures, resulting in enhanced fuel efficiency and overall performance. Furthermore, special steel's ability to withstand impact and fatigue loading is crucial for maintaining the safety and structural integrity of marine vessels. Furthermore, special steel contributes to the marine aftermarket industry through its versatility. It can be easily fabricated and customized to meet specific design requirements, enabling the production of unique and tailored marine components. This flexibility empowers the marine aftermarket industry to offer a wide variety of replacement parts and upgrades for existing vessels, improving their performance, efficiency, and safety. In conclusion, special steel plays an indispensable role in the marine aftermarket industry. Its strength, durability, corrosion resistance, and versatility make it an essential material for manufacturing marine components, constructing vessels, and enhancing overall performance. With its unique properties, special steel ensures the safety, reliability, and efficiency of marine equipment, thereby contributing to the growth and success of the marine aftermarket industry.
- Q:How does maraging steel achieve high strength through aging?
- Maraging steel achieves high strength through a process called aging, which involves heating the steel at a specific temperature for a specific duration. During aging, the alloying elements in maraging steel precipitate into fine particles, creating a strengthening effect. This process enhances the steel's hardness, tensile strength, and resistance to deformation, resulting in its high strength properties.
- Q:How does special steel contribute to the efficiency of automotive engines?
- Special steel plays a vital role in enhancing the efficiency of automotive engines in various ways. To begin with, it provides exceptional strength and durability, allowing for the production of lighter and more compact engine components. This reduction in weight contributes to increased fuel efficiency, as the engine requires less effort to propel the vehicle, resulting in improved performance and reduced emissions. Moreover, special steel possesses excellent properties of heat resistance and thermal conductivity. These characteristics are particularly important in automotive engines, which generate significant heat during operation. By incorporating special steel into critical engine parts such as cylinder heads, valves, and pistons, manufacturers can effectively manage the generated heat, preventing engine overheating and ensuring optimal performance. Additionally, special steel exhibits high resistance to wear, corrosion, and fatigue, making it an ideal choice for components exposed to high levels of stress and friction in automotive engines. This enhanced durability translates into a longer engine lifespan, reduced maintenance costs, and improved reliability. Furthermore, the use of special steel allows for the production of more precise and intricate engine designs. Its superior machinability enables the creation of complex shapes and structures, optimizing airflow and combustion within the engine. This leads to improved fuel combustion efficiency, power output, and overall engine performance. In conclusion, the contribution of special steel to the efficiency of automotive engines cannot be underestimated. Its properties of strength, heat resistance, durability, and machinability enable the production of lighter, more durable, and high-performing engine components. By integrating special steel into automotive engines, manufacturers can achieve enhanced fuel efficiency, reduced emissions, longer engine lifespan, and improved overall performance.
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Alloy Steel Rebar Made in China
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 110 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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