Hot Rolled Rebar Screw Thread Steel Bar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 50000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Credit Rating, Credit Services, Credit Purchasing
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Specification
Type:
Carbon Steel
Shape:
Steel Round Bar
Description of Thread Steel Bar
1, Diameter: 5.5mm-10mm Thread Steel Bar
10m- 40mm Thread 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 Thread 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 Thread 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: What are the different surface finishing techniques used for special steel?
- Some of the different surface finishing techniques used for special steel include electroplating, hot-dip galvanizing, powder coating, and passivation.
- Q: What are the main factors affecting the corrosion resistance of special steel?
- There are several main factors that can affect the corrosion resistance of special steel. Firstly, the composition of the steel plays a crucial role in determining its corrosion resistance. Special steels are typically alloyed with elements such as chromium, nickel, and molybdenum, which form a protective oxide layer on the surface of the steel. This layer acts as a barrier against corrosive substances, preventing them from reaching the underlying steel and causing corrosion. The higher the percentage of these alloying elements, the better the corrosion resistance of the steel. Secondly, the presence of impurities or contaminants in the steel can greatly affect its corrosion resistance. Any impurities or contaminants, such as sulfur or phosphorous, can compromise the protective oxide layer and make the steel more susceptible to corrosion. Therefore, the purity of the steel, as well as the manufacturing process used, is important in ensuring good corrosion resistance. Thirdly, the surface finish of the steel can also impact its corrosion resistance. A smooth and polished surface can help reduce the likelihood of corrosion, as it minimizes the areas where corrosive substances can accumulate and penetrate the steel. Additionally, surface treatments such as passivation or coating can further enhance the corrosion resistance of special steel. Furthermore, the environment in which the steel is exposed to is another critical factor. Different environments have varying levels of corrosive substances, such as moisture, acids, or salts, which can accelerate the corrosion process. For instance, marine environments with high salt content are particularly corrosive, requiring special steel grades that offer superior resistance to such conditions. Lastly, the temperature at which the steel operates can influence its corrosion resistance. Some special steels, such as stainless steel, exhibit excellent corrosion resistance at elevated temperatures, making them suitable for high-temperature applications where other materials may corrode. In summary, the main factors affecting the corrosion resistance of special steel include its composition, the presence of impurities, the surface finish, the environment it is exposed to, and the operating temperature. By considering these factors and selecting the appropriate steel grade, one can ensure optimal corrosion resistance for specific applications.
- Q: What are the different applications of special steel in the construction industry?
- Special steels have a wide range of uses in the construction industry, serving as versatile materials. Structural components are one of the main applications of special steel in construction. Buildings, bridges, and infrastructure projects that require exceptional strength and durability often use special steels, including high-strength low-alloy (HSLA) steel and weathering steel. Apart from structural uses, special steel is extensively employed in pipeline construction. This is particularly significant for oil and gas pipelines, where corrosion resistance and the ability to withstand high-pressure conditions are vital. Stainless steel, for example, is commonly chosen due to its outstanding resistance to corrosion, which makes it ideal for harsh environments. Another important application of special steel in construction is the production of reinforcing bars, also known as rebars. Reinforcing steel bars reinforce concrete structures like buildings, bridges, and highways by adding strength to withstand tension forces. Special steel rebars, such as micro-alloyed steel or carbon steel, are designed specifically to enhance the durability and structural integrity of concrete structures. Furthermore, special steel is extensively used in the construction of high-rise buildings and skyscrapers. The exceptional strength, ductility, and fire resistance properties of special steels like carbon steel or alloy steel make them perfect for constructing tall structures capable of withstanding heavy loads and resisting fire incidents. Special steel also finds application in the construction of equipment and machinery used in the construction industry. For instance, high-speed steel (HSS) is commonly utilized in manufacturing cutting tools, drill bits, and saw blades, which are essential for various construction activities. HSS possesses exceptional hardness, wear resistance, and high-temperature strength, making it suitable for heavy-duty cutting and drilling applications. In conclusion, special steel is an essential material in the construction industry due to its superior strength, durability, corrosion resistance, and fire resistance properties. It serves various purposes in structural components, pipelines, reinforcing bars, high-rise buildings, and construction machinery. Special steel ensures the safety, longevity, and reliability of construction projects, making it indispensable in the industry.
- Q: How does special steel compare to other materials?
- Special steel, also known as alloy steel, exhibits exceptional strength, durability, and resistance to wear and corrosion. When compared to other materials, such as regular steel, aluminum, and plastic, special steel stands out for its superior mechanical properties. Firstly, special steel offers higher tensile strength and hardness, making it ideal for applications requiring heavy-duty performance. Its resistance to deformation and ability to withstand high pressures and temperatures make it suitable for use in industries like aerospace, automotive, and construction. Moreover, special steel possesses excellent wear resistance, making it suitable for applications subject to friction, abrasion, and impact. This property minimizes the need for frequent repairs or replacements, resulting in cost savings and improved efficiency. In terms of corrosion resistance, special steel surpasses regular steel, which is prone to rusting when exposed to moisture or aggressive environments. Its composition includes elements such as chromium, nickel, and molybdenum, which form a protective layer on the surface, preventing corrosion and extending the material's lifespan. Compared to materials like aluminum and plastic, special steel has the advantage of being more robust and less prone to deformation or breakage. While aluminum is lightweight, it lacks the strength and hardness of special steel, limiting its suitability for heavy-duty applications. Plastic, on the other hand, offers lower strength and durability compared to special steel, making it less suitable for demanding tasks. Furthermore, special steel can be easily machined, fabricated, and welded, allowing for versatile applications across various industries. Its flexibility in terms of shaping and forming makes it a preferred choice in the manufacturing of components and structures. Overall, special steel outperforms other materials in terms of strength, durability, wear resistance, corrosion resistance, and versatility. Its exceptional properties make it an essential material in demanding industries where reliability and performance are paramount.
- Q: How does special steel contribute to improving product lifespan?
- Special steel contributes to improving product lifespan in several ways. Firstly, it offers enhanced durability and strength, allowing products to withstand heavy usage, high temperatures, and harsh environments without succumbing to wear and tear. This increased resilience helps prevent premature failure and extends the lifespan of the product. Additionally, special steel often possesses excellent corrosion resistance properties, protecting the product from rust and degradation caused by exposure to moisture or chemicals. Moreover, special steel's superior machinability and formability enable the production of complex and precise components, reducing the risk of structural flaws or defects that could compromise the product's lifespan. Overall, the use of special steel in manufacturing contributes significantly to producing long-lasting, reliable, and high-quality products.
- Q: What are the main advantages of using special steel in the defense industry?
- The main advantages of using special steel in the defense industry are its exceptional strength, durability, and resistance to corrosion. Special steel is able to withstand extreme conditions and high impact forces, making it ideal for producing armor, weapons, and military vehicles. Additionally, its resistance to corrosion ensures that the equipment remains functional even in harsh environments, increasing its longevity and reliability.
- Q: Can special steel be used in the production of surgical implants?
- Yes, special steel can be used in the production of surgical implants. Special steels such as stainless steel or titanium alloys are often chosen for their corrosion resistance, biocompatibility, and mechanical properties, making them suitable for manufacturing surgical implants that need to be durable and compatible with the human body.
- Q: Can special steel be used in the computer manufacturing industry?
- Yes, special steel can be used in the computer manufacturing industry. It is often used for making computer casings, hard drive components, and other structural parts due to its high strength, durability, and resistance to corrosion.
- Q: How does special steel contribute to the nuclear industry?
- The nuclear industry heavily relies on special steel for multiple reasons. To begin with, this type of steel is exceptionally resistant to corrosion and can endure extreme temperatures and pressures. As a result, it is an ideal material for constructing nuclear reactors and other components, ensuring the safety and longevity of nuclear power plants. Additionally, special steel is used in manufacturing fuel assemblies and storage containers for nuclear fuel. These containers must effectively contain radioactive materials without any leakage or contamination. Special steel possesses the necessary strength and durability to meet these requirements. Furthermore, special steel is crucial in the fabrication of steam generators, which are essential components in nuclear power plants. Steam generators transfer heat from the reactor to the turbines, generating electricity. Given the high temperature and pressure conditions inside steam generators, it is essential to use a material that can withstand these harsh circumstances. Special steel fulfills this requirement. Moreover, special steel is employed in the production of control rods. These rods play a vital role in regulating the nuclear reaction within the reactor core by being inserted or withdrawn to control the rate of fission and maintain a stable reaction. Special steel's mechanical properties and resistance to radiation damage ensure the reliability and effectiveness of control rods. Additionally, special steel is utilized in constructing shielding materials and containment structures. These structures aim to protect workers, the environment, and the general public from radiation exposure. Due to its excellent radiation shielding properties, special steel is the preferred material for these applications. In conclusion, special steel is essential to the nuclear industry as it provides the necessary strength, durability, and resistance to corrosion, heat, and radiation. It enables the safe and efficient operation of nuclear reactors, facilitates the storage and transportation of nuclear fuel, and safeguards personnel and the environment.
- Q: How does special steel contribute to the manufacturing of cutting blades for industrial machines?
- Special steel plays a crucial role in the manufacturing of cutting blades for industrial machines due to its unique properties and composition. Firstly, special steel exhibits exceptional hardness, which is essential for cutting blades to withstand the high pressure and abrasion that occurs during industrial cutting operations. This hardness ensures that the blades remain sharp for extended periods, minimizing the need for frequent replacement and reducing downtime in manufacturing processes. Moreover, special steel offers remarkable toughness, allowing cutting blades to endure heavy loads and resist chipping or breaking. This is particularly important in industrial settings where cutting blades are subjected to intense forces and must maintain their integrity to ensure efficient and reliable cutting operations. Additionally, special steel has excellent resistance to corrosion and wear, making it an ideal material for cutting blades used in harsh environments, such as those involving exposure to chemicals, extreme temperatures, or abrasive materials. This corrosion resistance prolongs the lifespan of the cutting blades, reducing maintenance costs and enhancing overall productivity. Furthermore, special steel can be customized to meet specific requirements, allowing the manufacturing of cutting blades with precise dimensions, shapes, and cutting angles. This customization ensures that the blades are tailored to the unique needs of different industrial machines and applications, optimizing cutting performance and efficiency. In summary, special steel contributes significantly to the manufacturing of cutting blades for industrial machines by providing excellent hardness, toughness, corrosion resistance, and customization options. These properties enhance the durability, reliability, and efficiency of cutting operations, ultimately leading to improved productivity and reduced costs in industrial manufacturing processes.
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Hot Rolled Rebar Screw Thread Steel Bar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 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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