ASTM A615/BS4449 Reforcing Steel Bar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 180 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
ASTM A615/BS4449 Reforcing Steel Bar
Description of ASTM A615/BS4449 Reforcing Steel Bar
1, Diameter: 5.5mm-10mm ASTM A615/BS4449 Reforcing Steel Bar
10m- 40mm ASTM A615/BS4449 Reforcing Steel Bar
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 ASTM A615/BS4449 Reforcing Steel Bar
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 ASTM A615/BS4449 Reforcing Steel Bar
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:How is case-hardening steel used in the production of gears and camshafts?
- Case-hardening steel is used in the production of gears and camshafts to enhance their surface hardness and durability. The process involves heating the steel to a specific temperature and then rapidly cooling it, creating a hard outer layer while maintaining a tough and ductile core. This hardened surface allows gears and camshafts to withstand the high levels of stress, friction, and wear they experience during operation, resulting in improved performance, longevity, and reliability.
- Q:How does special steel resist wear and tear?
- Special steel resists wear and tear due to its unique composition and manufacturing process. It is made with a higher percentage of alloying elements such as chromium, nickel, and molybdenum, which enhance its hardness, strength, and corrosion resistance. This increased hardness enables the steel to withstand abrasion, friction, and impact, making it highly durable and resistant to wear and tear. Additionally, special steel undergoes specialized heat treatments and mechanical processes that further enhance its toughness and resistance to deformation, contributing to its ability to withstand harsh and demanding conditions without significant deterioration.
- Q:What's the difference between special steel and ordinary steel?
- Special steel is a kind of steel with special chemical composition (alloying), produced by special process, special organization and performance, and can meet special requirement.
- Q:How does special steel contribute to the defense aerospace industry?
- Special steel plays a critical role in the defense aerospace industry by providing the necessary strength, durability, and resistance to extreme conditions that are essential for the design and production of military aircraft and defense systems. One of the key contributions of special steel is its ability to withstand high temperatures and pressures, making it suitable for the construction of engine components such as turbine blades, exhaust systems, and combustion chambers. These parts are subjected to intense heat and stress during operation, and special steel ensures they can withstand these extreme conditions without compromising performance or safety. Furthermore, special steel is utilized in the manufacturing of structural components in military aircraft, such as landing gear, wings, and fuselage sections. These components need to possess exceptional strength and toughness to withstand the harsh conditions encountered during flight and combat operations. Special steel provides the necessary mechanical properties to ensure these components can withstand the forces and impacts they may experience. Another crucial aspect where special steel contributes to the defense aerospace industry is its corrosion resistance. Military aircraft are often exposed to harsh environments, including saltwater and corrosive chemicals. Special steel, through the addition of corrosion-resistant alloys, helps protect critical parts from corrosion, ensuring the longevity and reliability of the aircraft. Moreover, special steel's high strength-to-weight ratio allows for the production of lightweight yet robust components in defense aerospace applications. This characteristic is highly desirable in the aerospace industry as it enables the design of aircraft that are more fuel-efficient, faster, and capable of carrying higher payloads. By reducing weight, special steel contributes to the overall performance and efficiency of military aircraft. In conclusion, special steel is an indispensable material in the defense aerospace industry. Its unique properties, such as high temperature resistance, strength, corrosion resistance, and lightweight characteristics, enable the production of reliable, high-performance military aircraft and defense systems. Special steel plays a crucial role in ensuring the safety, efficiency, and effectiveness of the defense aerospace industry.
- Q:How does special steel resist oxidation?
- Special steel is known for its excellent resistance to oxidation. This is primarily due to the presence of elements such as chromium, nickel, and manganese in its composition. These elements form a protective layer on the surface of the steel, known as a passive film, which acts as a barrier against oxygen and moisture. Chromium is the key element responsible for the oxidation resistance of special steel. It reacts with oxygen in the atmosphere to form a thin layer of chromium oxide on the surface of the steel. This oxide layer is highly stable and prevents further oxidation of the underlying metal. It acts as a shield, preventing the diffusion of oxygen and moisture into the steel, which could lead to corrosion or rusting. Additionally, nickel and manganese also contribute to the oxidation resistance of special steel. They help stabilize the passive film formed by chromium oxide and enhance its protective properties. These elements also increase the steel's ability to withstand high temperatures and corrosive environments. Moreover, the composition and processing techniques used in the production of special steel play a crucial role in its oxidation resistance. The steel is often subjected to heat treatment processes, such as annealing or quenching, which further enhance its corrosion resistance properties. The careful control of alloying elements and precise heat treatment procedures ensure the formation of a robust and durable passive film. In conclusion, special steel resists oxidation primarily due to the presence of chromium, nickel, and manganese, which form a protective layer on its surface. This passive film acts as a barrier against oxygen and moisture, preventing corrosion and rusting. The composition and processing techniques employed during production also contribute to the exceptional oxidation resistance of special steel.
- Q:Can special steel be used in the semiconductor manufacturing industry?
- Yes, special steel can be used in the semiconductor manufacturing industry. Special steel alloys with high levels of purity and specific properties, such as high thermal conductivity and resistance to corrosion, can be utilized in various applications within semiconductor manufacturing, including the fabrication of specialized tools, equipment, and components.
- Q:What is the significance of special steel in the medical field?
- Special steel, which is also referred to as medical grade steel, holds a vital role in the medical field due to its distinct properties and importance. Specifically designed and produced to meet the strict requirements of the healthcare industry, special steel's significance in the medical field can be grasped through the following points: 1. Biocompatibility: Special steel demonstrates biocompatibility, meaning it is non-toxic and does not elicit an adverse reaction when it comes into contact with the human body. This makes it an ideal material for medical devices like surgical instruments, implants, and orthopedic tools. 2. Resistance to corrosion: Special steel exhibits high resistance to corrosion and rust, ensuring the endurance and durability of medical instruments. Instruments used in surgical procedures require repeated sterilization, and the corrosive nature of sterilization agents can degrade ordinary steel. Special steel, with its superior resistance to corrosion, can withstand these harsh conditions, decreasing the risk of contamination and preserving the integrity of medical equipment. 3. Mechanical properties: Special steel possesses exceptional mechanical properties, such as high strength, toughness, and ductility. These characteristics are crucial for medical devices as they need to endure the stresses and strains of surgical procedures, maintain their shape, and deliver reliable performance. 4. Compatibility with sterilization: Special steel can withstand various sterilization methods, including steam sterilization, ethylene oxide sterilization, and gamma radiation. This guarantees that medical instruments made from special steel can be effectively sterilized, preventing the transmission of infections and minimizing the risk of contamination during surgeries. 5. Precision manufacturing: Special steel can be shaped into intricate forms and sizes, enabling the production of precise medical instruments. Its superior machinability allows for the creation of fine and sharp edges, which are vital for surgical tools used in delicate procedures. 6. Antibacterial properties: Certain special steels, such as stainless steel, possess inherent antibacterial properties. This characteristic is particularly crucial in the medical field, where preventing infections is of utmost importance. Instruments made from antibacterial special steel can hinder the growth of bacteria, minimizing the risk of post-operative complications. In conclusion, the significance of special steel in the medical field lies in its biocompatibility, resistance to corrosion, mechanical properties, compatibility with sterilization, precision manufacturing, and potential antibacterial properties. These qualities render special steel an indispensable material for the manufacturing of medical devices, ensuring their dependability, durability, and safety for both healthcare professionals and patients.
- Q:How is high-strength steel used in the automotive industry?
- High-strength steel is extensively used in the automotive industry for various applications. It is commonly used for manufacturing car frames, body panels, and structural components due to its exceptional strength, durability, and lightweight properties. This type of steel enhances the overall safety and performance of vehicles while reducing their weight, thereby improving fuel efficiency and reducing emissions. High-strength steel also provides enhanced protection in case of accidents by effectively absorbing and distributing energy during collisions.
- Q:How does special steel contribute to the electrical conductivity of products?
- Special steel can contribute to the electrical conductivity of products in several ways. Firstly, special steel alloys can be formulated with specific chemical compositions that enhance their electrical conductivity. For example, adding elements such as copper, silver, or nickel to the steel can increase its electrical conductivity by providing more pathways for the flow of electric current. Additionally, the microstructure of special steel can be manipulated to improve electrical conductivity. By controlling the grain size and orientation of the steel, it is possible to reduce the resistance to the flow of electrons, thereby increasing the overall conductivity of the material. Furthermore, special steel can be heat treated or subjected to other processes to enhance its electrical conductivity. Heat treatment techniques like annealing or tempering can help to remove impurities and improve the crystal structure of the steel, resulting in improved electrical conductivity. Moreover, special steel can also be designed to have low magnetic permeability, which means it exhibits less resistance to the flow of magnetic fields. This property is beneficial for applications where electromagnetic interference needs to be minimized, such as in electrical connectors or transformers. In summary, special steel contributes to the electrical conductivity of products through various means, including chemical composition, microstructural control, heat treatment, and low magnetic permeability. By optimizing these factors, special steel can significantly enhance the performance of electrical components and systems.
- Q:Can special steel be used in extreme weather conditions?
- Yes, special steel can be used in extreme weather conditions. Special steel is known for its excellent strength, durability, and corrosion resistance, making it a suitable material for various applications, including those in extreme weather conditions. For example, stainless steel, which is a type of special steel, is widely used in environments with high moisture or salt content, such as coastal areas or marine structures. It can withstand the corrosive effects of saltwater and resist rusting, making it ideal for prolonged exposure to extreme weather conditions. Additionally, special steel alloys can also be specifically designed to withstand extreme temperatures, such as those found in arctic or desert environments. These alloys can maintain their mechanical properties and structural integrity even in extreme cold or hot temperatures. Overall, special steel is a versatile material that can be utilized in various industries and applications, including those in extreme weather conditions, due to its exceptional strength, durability, and resistance to corrosion.
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ASTM A615/BS4449 Reforcing Steel Bar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 180 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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