• Reinforcing Steel Rebar Bs4449 Grade 460B System 1
  • Reinforcing Steel Rebar Bs4449 Grade 460B System 2
  • Reinforcing Steel Rebar Bs4449 Grade 460B System 3
  • Reinforcing Steel Rebar Bs4449 Grade 460B System 4
  • Reinforcing Steel Rebar Bs4449 Grade 460B System 5
  • Reinforcing Steel Rebar Bs4449 Grade 460B System 6
Reinforcing Steel Rebar Bs4449 Grade 460B

Reinforcing Steel Rebar Bs4449 Grade 460B

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
130 m.t.
Supply Capability:
500000 m.t./month

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Specification

Type:
Carbon Steel
Shape:
Steel Round Bar

Reinforcing Steel Rebar Bs4449 Grade 460B


Description of Reinforcing Steel Rebar Bs4449 Grade 460B

1, Diameter: 5.5mm-10mm Reinforcing Steel Rebar Bs4449 Grade 460B

                       10m- 40mm Reinforcing Steel Rebar Bs4449 Grade 460B

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 Reinforcing Steel Rebar Bs4449 Grade 460B

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 Reinforcing Steel Rebar Bs4449 Grade 460B

Astm 615 Bs4449 B500B Deformed Steel Rebars



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.

Astm 615 Bs4449 B500B Deformed Steel RebarsAstm 615 Bs4449 B500B Deformed Steel Rebars 


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: Is special steel resistant to wear and abrasion?
Indeed, special steel is renowned for its exceptional resistance against wear and abrasion. Through the utilization of distinct alloying elements and heat treatment procedures, special steel is frequently crafted to elevate its hardness and toughness. These remarkable attributes confer upon it a remarkable immunity to the damaging consequences of wear and abrasion, rendering it ideal for endeavors necessitating longevity and durability. In various industries, including automotive, aerospace, construction, and manufacturing, special steels are frequently employed due to the harsh environments they encounter or the repetitive mechanical actions they endure, both of which can induce wear and abrasion.
Q: Can special steel be used for making surgical instruments?
Yes, special steel can be used for making surgical instruments. Special steel, also known as surgical steel or medical-grade steel, is specifically designed to meet the high standards required for medical and surgical applications. It is highly resistant to corrosion, has excellent strength and durability, and can withstand repeated sterilization processes without losing its properties. Surgical instruments made from special steel are known for their precision, reliability, and ability to maintain a sharp cutting edge. These instruments are essential in various surgical procedures, including but not limited to, cutting, dissecting, manipulating, and suturing tissues. The use of special steel ensures that surgical instruments are safe, hygienic, and suitable for use in medical environments.
Q: What is the composition of special steel?
The composition of special steel can vary depending on its intended use and the specific properties required. However, in general, special steel is typically an alloy of iron and carbon, with additional elements added to enhance its strength, toughness, corrosion resistance, or other desired characteristics. Some common elements that can be found in special steel compositions include chromium, nickel, manganese, molybdenum, vanadium, tungsten, and cobalt. These alloying elements are carefully selected and added in specific amounts to achieve the desired mechanical, physical, and chemical properties of the steel. The composition of special steel can be tailored to meet specific industry requirements, such as for applications in aerospace, automotive, oil and gas, or construction.
Q: What are the requirements for special steel used in oil and gas equipment manufacturing?
Due to the demanding operating conditions and harsh environments that oil and gas equipment encounters, the requirements for special steel used in their manufacturing are extremely strict. These materials must meet several key requirements: 1. Excellent resistance to corrosion is essential for the special steel used in oil and gas equipment. This is particularly important in the presence of corrosive fluids like oil, gas, and saltwater. By preventing degradation and premature failure, corrosion resistance ensures the equipment's longevity. 2. The steel must possess high strength and toughness to withstand the extreme pressures, temperatures, and mechanical stresses encountered during oil and gas operations. This ensures that the equipment can perform reliably in demanding conditions. 3. Special steel used in oil and gas equipment must maintain its mechanical properties and structural integrity even at high temperatures, as these processes often involve elevated temperatures. 4. Weldability is an important aspect of special steel used in oil and gas equipment manufacturing. It should allow for efficient and reliable welding processes without compromising the equipment's overall strength and integrity. 5. Good fatigue resistance properties are necessary for special steel used in oil and gas equipment, as cyclic loading can lead to fatigue failure if the material is not designed to withstand repetitive stresses. 6. In applications like offshore drilling or arctic environments, where extremely low temperatures are encountered, the special steel should exhibit excellent toughness and ductility to prevent brittle fracture. 7. The chemical composition of the special steel must be tightly controlled to ensure consistent and predictable material properties. This involves strict control over the levels of various alloying elements, impurities, and trace elements to meet the specific requirements of the oil and gas industry. Meeting these requirements is crucial for the safe and reliable operation of oil and gas equipment. Special steel manufacturers collaborate closely with industry standards and specifications to develop and provide materials that meet these demanding requirements, ensuring the integrity and performance of the equipment in the oil and gas sector.
Q: What are the different nuclear grades of special steel?
The different nuclear grades of special steel refer to specific types of steel that are used in the nuclear industry to meet stringent requirements for safety, reliability, and performance. These grades are designed to withstand the harsh conditions of nuclear power plants and other nuclear facilities. There are several nuclear grades of special steel, each with its own unique characteristics and applications. Some of the commonly used grades include: 1. 304/304L stainless steel: This grade is widely used in nuclear applications due to its excellent corrosion resistance and high strength at elevated temperatures. It is often used in the construction of reactor vessels, heat exchangers, and piping systems. 2. 316/316L stainless steel: Similar to 304/304L, this grade offers superior corrosion resistance and high creep strength. It is commonly used in the construction of components exposed to corrosive environments, such as coolant systems, steam generators, and fuel handling equipment. 3. 321 stainless steel: This grade contains titanium, which stabilizes the steel against sensitization during welding. It is often used in nuclear applications where welding is required, such as piping systems and pressure vessels. 4. Duplex stainless steels: These grades, such as 2205 and 2507, offer a combination of high strength and excellent corrosion resistance. They are commonly used in nuclear applications involving highly corrosive environments, such as seawater-cooled systems and containment structures. 5. Low alloy steels: These steels, such as A533B and A508, are used in the construction of reactor pressure vessels due to their high strength and toughness. These grades are specifically designed to withstand the extreme conditions within a nuclear reactor. It is important to note that the selection of the appropriate nuclear grade of special steel depends on the specific application, considering factors such as temperature, pressure, corrosion resistance, and mechanical properties. These grades undergo rigorous testing and quality control measures to ensure their suitability for use in the nuclear industry.
Q: How does electrical steel contribute to the production of transformers and motors?
Electrical steel, also known as silicon steel, plays a crucial role in the production of transformers and motors. Its unique magnetic properties, such as high permeability and low core loss, allow for efficient energy transfer and reduced power losses. This material is specifically designed to enhance magnetic induction and minimize eddy currents, ensuring optimal performance in electrical machines. By using electrical steel in the core of transformers and motors, manufacturers can increase energy efficiency, improve power transmission, and reduce overall operational costs.
Q: What are the advantages of using special steel over other materials?
Special steel has several advantages over other materials. Firstly, it offers exceptional strength and durability, making it ideal for applications where high performance and reliability are crucial. Additionally, special steel possesses excellent resistance to corrosion, heat, and wear, ensuring longevity and reduced maintenance costs. Moreover, it provides versatility in terms of customization and can be tailored to specific requirements, making it suitable for a wide range of industries and applications. Lastly, special steel offers superior machinability and weldability, facilitating ease of processing and fabrication.
Q: What is the maximum temperature that special steel can withstand?
The maximum temperature that special steel can withstand depends on the specific type of steel being used. Special steels are designed to have enhanced properties, such as high heat resistance, which allows them to withstand higher temperatures than standard steels. For example, some special steels, such as heat-resistant stainless steels, can withstand temperatures up to around 1200 degrees Celsius (2200 degrees Fahrenheit). These steels are often used in applications where high temperatures are encountered, such as in furnaces, boilers, and exhaust systems. Other types of special steels, such as tool steels or high-speed steels, may have different maximum temperature limits. These steels are commonly used in cutting tools, molds, and machining applications, where they need to maintain their hardness and strength at elevated temperatures. It is important to note that the maximum temperature that special steel can withstand also depends on factors such as the duration of exposure to the high temperature, the specific alloy composition, and any additional heat treatment processes that have been applied. Therefore, it is crucial to consult the manufacturer's specifications or seek professional advice for accurate information on the maximum temperature limit for a particular type of special steel.
Q: What are the different heat treatment grades of special steel?
Special steel is available in multiple heat treatment grades, each possessing distinct properties and applications. Some commonly used grades include: 1. Annealed Steel: Through the annealing process, this grade is heated to a specific temperature and gradually cooled, enhancing its ductility and reducing hardness. It finds utility in applications demanding toughness and machinability. 2. Normalized Steel: This grade undergoes heat treatment by heating it above its critical temperature and then cooling it in still air. This refines the grain structure, improves mechanical properties, and reduces internal stresses. It is often employed in applications requiring high strength and weldability. 3. Quenched and Tempered Steel: This grade undergoes a two-step heat treatment process. First, it is heated to high temperatures and then rapidly cooled in a quenching medium. This results in hardened and brittle steel. To restore some toughness and reduce brittleness, the steel is reheated to a lower temperature. It is commonly used in applications demanding high strength, such as construction machinery, mining equipment, and automotive components. 4. Precipitation Hardening Steel: This grade is treated through a combination of heat treatment and precipitation hardening. Initially, the steel is solution treated at high temperatures to dissolve alloying elements. Rapid cooling retains a supersaturated solid solution. Subsequently, aging at a lower temperature allows the formation of fine precipitates, enhancing strength and hardness. It is utilized in applications requiring high strength and corrosion resistance, such as aerospace components and high-performance tools. 5. Case Hardening Steel: This grade undergoes surface heat treatment to increase the hardness of the outer layer while maintaining a tough core. Carburizing or nitriding introduces carbon or nitrogen into the surface layer, respectively. It is commonly employed in applications necessitating wear resistance, like gears, bearings, and camshafts. These examples represent the diversity of heat treatment grades in special steel, each offering unique properties and advantages suitable for various industries.
Q: What are the different methods for tempering special steel?
There are several different methods for tempering special steel, including air tempering, oil tempering, water tempering, and salt bath tempering. Air tempering involves heating the steel to a specific temperature and then allowing it to cool in air. Oil tempering involves heating the steel to a specific temperature and then quenching it in oil. Water tempering is a similar process, but the steel is quenched in water instead. Salt bath tempering involves heating the steel in a molten salt bath to achieve the desired tempering temperature. Each method has its own advantages and is chosen based on the specific properties and requirements of the steel being tempered.

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