• Hot Rolled Galvanized Construction Deformed Twisted Steel Rebar System 1
  • Hot Rolled Galvanized Construction Deformed Twisted Steel Rebar System 2
  • Hot Rolled Galvanized Construction Deformed Twisted Steel Rebar System 3
  • Hot Rolled Galvanized Construction Deformed Twisted Steel Rebar System 4
  • Hot Rolled Galvanized Construction Deformed Twisted Steel Rebar System 5
  • Hot Rolled Galvanized Construction Deformed Twisted Steel Rebar System 6
Hot Rolled Galvanized Construction Deformed Twisted Steel Rebar

Hot Rolled Galvanized Construction Deformed Twisted Steel Rebar

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

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Specification

Type:
Carbon Steel
Shape:
Steel Round Bar

Hot Rolled Galvanized Construction Deformed Twisted Steel Rebar


Description of Hot Rolled Galvanized Construction Deformed Twisted Steel Rebar

1, Diameter: 5.5mm-10mm Reinforced Steel Bar Hrb400B

                       10m- 40mm Reinforced Steel Bar Hrb400B

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 Hot Rolled Galvanized Construction Deformed Twisted Steel Rebar

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 Hot Rolled Galvanized Construction Deformed Twisted Steel Rebar

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: How is special steel used in the production of bearings?
Special steel is used in the production of bearings due to its high strength, durability, and resistance to wear and corrosion. The use of special steel ensures that bearings can withstand heavy loads, high speeds, and harsh operating conditions, providing smooth and reliable performance. The steel used in bearings is carefully engineered to have specific properties, such as hardness and toughness, which are essential for their effective functioning.
Q: What are the effects of different heat treatment processes on special steel?
Special steel can undergo various heat treatment processes that significantly impact its properties and performance. These processes are designed to modify the steel's microstructure, influencing its hardness, strength, toughness, and other mechanical properties. One widely used heat treatment process is annealing, which entails heating the steel to a specific temperature and gradually cooling it. Annealing serves to alleviate internal stresses, enhance machinability, and improve the steel's ductility. Additionally, it refines the grain structure, promoting uniformity and decreasing the likelihood of cracks or defects. Another heat treatment process is quenching, which involves heating the steel to a high temperature and rapidly cooling it by immersing it in a quenching medium like oil or water. This process results in the formation of a hardened microstructure, augmenting the steel's hardness and resistance to wear. However, quenching can also render the steel brittle, which is why tempering is often performed subsequently. Tempering encompasses reheating the quenched steel to a lower temperature and maintaining it there for a specific duration. This process reduces the brittleness caused by quenching and enhances the steel's toughness and ductility. The resulting microstructure strikes a balance between hardness and toughness, rendering the steel suitable for applications necessitating both strength and impact resistance. Other heat treatment processes, such as normalizing and stress relieving, can also be employed to attain specific properties in special steel. Normalizing entails heating the steel above its critical point and allowing it to cool in still air. This process refines the grain structure and improves the steel's strength and machinability. Conversely, stress relieving aims to eliminate residual stresses from the steel by heating it below its critical point and gradually cooling it. In conclusion, the effects of various heat treatment processes on special steel are manifold. These processes can modify the steel's microstructure, leading to alterations in hardness, strength, toughness, and other mechanical properties. By selecting the appropriate heat treatment process, manufacturers can customize the steel's characteristics to meet specific requirements, ensuring optimal performance and longevity.
Q: How is bearing steel used in the manufacturing of bearings?
Bearing steel is used in the manufacturing of bearings due to its high strength and durability. It provides the necessary hardness and wear resistance required to withstand the heavy loads and continuous motion associated with bearing applications. The steel is typically heat-treated and processed to enhance its mechanical properties, such as improved fatigue life and corrosion resistance. This ensures that the bearings can operate efficiently and reliably in various industrial and automotive applications.
Q: What are the properties of high-temperature steel?
High-temperature steel possesses exceptional strength, heat resistance, and thermal stability, allowing it to retain its structural integrity even at elevated temperatures. It exhibits low thermal expansion and retains its mechanical properties under extreme heat conditions. Additionally, high-temperature steel is highly resistant to oxidation and corrosion, making it suitable for applications in industries such as aerospace, power generation, and manufacturing.
Q: What are the different surface hardening techniques used for special steel?
There are several different surface hardening techniques used for special steel, including case hardening, induction hardening, flame hardening, and nitriding. Case hardening involves heating the steel in the presence of a carbon-rich atmosphere to create a hardened outer layer, while induction hardening uses an electromagnetic field to heat and harden specific areas of the steel. Flame hardening involves heating the steel using a high-temperature flame, followed by quenching to achieve hardness. Nitriding is a process where the steel is exposed to nitrogen gas at high temperatures to create a hard, wear-resistant surface layer. Each technique has its own advantages and is chosen based on the specific requirements of the application.
Q: How does special steel contribute to the construction of infrastructure projects?
Enhanced strength, durability, and versatility are crucial attributes of special steel that play a vital role in the construction of infrastructure projects. Specifically tailored to meet the unique demands and challenges posed by these projects, special steel is an indispensable component for their successful completion. One of the ways in which special steel contributes to infrastructure projects is through its exceptional strength. Bridges, tunnels, and high-rise buildings, among others, require materials that can endure heavy loads and harsh environmental conditions. Special steel possesses high tensile and yield strength, enabling it to bear significant loads without experiencing deformation or failure. This strength ensures the structural integrity and safety of the infrastructure, providing reassurance to engineers, architects, and the general public. Durability is another key aspect that special steel brings to infrastructure projects. These projects often face exposure to various environmental factors, including extreme temperatures, moisture, and corrosive elements. Special steel is specifically designed to resist corrosion, oxidation, and degradation, making it highly durable and capable of withstanding challenging conditions. Its long lifespan reduces maintenance and replacement costs, making it a cost-effective choice for infrastructure projects. Versatility is yet another advantage of special steel in the realm of infrastructure construction. It can be customized and fabricated into different shapes and sizes to match the specific requirements of diverse projects. Whether used for beams, columns, or reinforcements, special steel offers flexibility in design and construction. This adaptability empowers engineers and architects to create innovative and efficient infrastructure designs, optimizing space and resources. Moreover, special steel contributes to the sustainability of infrastructure projects. Its recyclability and eco-friendly nature make it an environmentally responsible choice. Steel can be recycled without compromising its properties, reducing the need for new raw materials and minimizing waste. This sustainable approach aligns with the growing emphasis on eco-friendly construction practices, positioning special steel as an ideal material for infrastructure projects. In conclusion, through its superior strength, durability, versatility, and sustainability, special steel significantly contributes to the construction of infrastructure projects. Its ability to withstand heavy loads, harsh environmental conditions, and provide long-lasting performance ensures the safety and reliability of infrastructure. Additionally, its flexibility in design and construction allows for innovative and efficient project execution. With these advantages, special steel remains an essential component in the development of robust and sustainable infrastructure.
Q: How does special steel contribute to reducing product defects?
Special steel contributes to reducing product defects by offering superior strength, durability, and corrosion resistance compared to regular steel. This ensures that the components made from special steel are less prone to breakage, wear and tear, or damage during manufacturing, transportation, or usage. Special steel's high-quality characteristics provide a more reliable and consistent performance, resulting in fewer product defects and improved overall product quality.
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.
Q: How does special steel contribute to the shipbuilding industry?
Special steel contributes to the shipbuilding industry in several ways. Firstly, special steel offers enhanced strength and durability, making it an ideal material for constructing various components of ships. This includes the hull, decks, bulkheads, and other structural elements that need to withstand the harsh marine environment and heavy loads. Special steel also provides excellent resistance to corrosion and abrasion, which is crucial for ships that are constantly exposed to saltwater and other corrosive agents. This ensures that the ship remains in good condition for a longer lifespan, reducing maintenance costs and increasing operational efficiency. Moreover, special steel offers superior weldability and formability, allowing shipbuilders to create complex shapes and structures with ease. This flexibility in design enables the construction of innovative and efficient ship designs, such as large container vessels, offshore oil rigs, and naval warships. In addition, special steel is often used for manufacturing critical components like propeller shafts, rudders, and engine parts. These components require high strength, toughness, and resistance to fatigue, as they are subjected to extreme forces and vibrations during operation. Special steel's unique properties ensure the reliability and performance of these crucial ship parts. Furthermore, special steel contributes to the shipbuilding industry by enabling the construction of lightweight ships without compromising strength and safety. This helps reduce fuel consumption, leading to improved energy efficiency and lower greenhouse gas emissions. As environmental regulations become increasingly stringent, special steel plays a vital role in making ships more sustainable and eco-friendly. Overall, special steel is an essential material in the shipbuilding industry due to its exceptional strength, durability, corrosion resistance, weldability, formability, and lightweight properties. Its use not only ensures the safety and longevity of ships but also facilitates the development of advanced ship designs and contributes to the industry's overall sustainability.
Q: What are the different methods of preventing stress corrosion cracking in special steel?
There are several methods to prevent stress corrosion cracking in special steel. One common approach is to select a steel alloy with enhanced resistance to stress corrosion cracking. This can be achieved by adding alloying elements such as nickel, chromium, or molybdenum, which help improve the steel's corrosion resistance. Another method is to control the environment in which the steel is exposed. This can involve minimizing exposure to corrosive substances or adjusting temperature and humidity levels. Additionally, surface treatments such as passivation or coating can be applied to create a protective barrier against corrosion. Regular inspection and maintenance of the steel structure are also important to identify and address any potential sources of stress corrosion cracking.

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