Reinforcing Twisted Steel Bars
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 140 m.t.
- Supply Capability:
- 500000 m.t./month
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Specification
Reinforcing Twisted Steel Bars
Description of Reinforcing Twisted Steel Bars
1, Diameter: 5.5mm-10mm Reinforcing Twisted Steel Bars
10m- 40mm Reinforcing Twisted Steel Bars
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 Twisted Steel Bars
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 Twisted Steel Bars
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 specific requirements for special steel used in the oil and gas sector?
- The specific requirements for special steel used in the oil and gas sector include high strength and corrosion resistance to withstand harsh environments, excellent fracture toughness to prevent failure under pressure, and resistance to hydrogen embrittlement. Additionally, it should have low temperature toughness for subzero conditions and be able to maintain its mechanical properties at elevated temperatures. The steel should also possess good weldability and be capable of withstanding cyclic loading and fatigue.
- Q: Can special steel be used for making marine components?
- Yes, special steel can be used for making marine components. Special steel, also known as marine grade steel, is specifically designed to withstand the harsh conditions of marine environments. These environments are exposed to corrosion, high humidity, and saltwater, which can cause regular steel to deteriorate quickly. Marine grade steel is typically made with added alloys, such as nickel, chromium, and molybdenum, which provide excellent corrosion resistance and durability. These alloys help the steel resist the corrosive effects of saltwater and prevent rusting. Additionally, special steel is often coated with protective coatings or treated to further enhance its resistance to corrosion. Marine components made from special steel include ship hulls, propellers, shafts, valves, pipelines, and various structural elements. The use of special steel ensures the longevity and reliability of these components in demanding marine conditions. Furthermore, the strength and toughness of special steel make it suitable for withstanding the high mechanical stresses and impacts experienced at sea. In summary, special steel is an ideal material for making marine components due to its superior corrosion resistance, durability, and strength. It helps to ensure the longevity and reliability of marine structures and equipment in harsh marine environments.
- Q: What are the main advantages of using special steel in the oil and gas industry?
- The main advantages of using special steel in the oil and gas industry include its high strength, corrosion resistance, and ability to withstand extreme temperatures and pressures. Special steel is specifically designed and manufactured to meet the demanding requirements of the industry, ensuring reliable performance and longevity. It also offers excellent weldability, which is crucial for constructing pipelines and equipment used in oil and gas operations. Additionally, special steel's durability and resistance to fatigue make it ideal for withstanding the harsh conditions and environments encountered in the oil and gas sector.
- Q: What are the different nuclear grades of special steel?
- Special steel grades with different nuclear classifications are utilized in the nuclear industry to adhere to strict safety, reliability, and performance standards. These grades are engineered to endure the challenging conditions present in nuclear power plants and other nuclear facilities. There exist various nuclear grades of special steel, each possessing distinct characteristics and applications. Some commonly utilized grades include: 1. 304/304L stainless steel: This grade boasts exceptional resistance to corrosion and high strength at elevated temperatures, making it widely employed in nuclear applications. It finds use in the fabrication of reactor vessels, heat exchangers, and piping systems. 2. 316/316L stainless steel: Similar to 304/304L, this grade offers superior resistance to corrosion and high creep strength. It is commonly employed 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 during welding to prevent sensitization. It frequently finds application in nuclear scenarios involving welding, such as piping systems and pressure vessels. 4. Duplex stainless steels: These grades, including 2205 and 2507, combine high strength with excellent corrosion resistance. They are frequently employed in nuclear applications that involve 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 exceptional strength and toughness. These grades are specifically designed to withstand the extreme conditions within a nuclear reactor. It is crucial to consider specific factors such as temperature, pressure, corrosion resistance, and mechanical properties when selecting the appropriate nuclear grade of special steel for a given application. Rigorous testing and quality control measures are implemented to ensure the suitability of these grades for use in the nuclear industry.
- Q: How does the addition of nickel enhance the properties of special steel?
- The addition of nickel enhances the properties of special steel by improving its strength, toughness, and corrosion resistance. Nickel forms a solid solution with iron, which increases the overall strength and hardness of the steel. It also enhances the toughness, making it more resistant to cracking and fractures. Additionally, nickel improves the corrosion resistance of special steel, making it suitable for applications in aggressive environments or industries such as marine, chemical, and oil and gas.
- Q: Can special steel be used in food processing applications?
- Yes, special steel can be used in food processing applications. Special steel, such as stainless steel, is commonly used in the food industry due to its excellent corrosion resistance, hygienic properties, and durability. It is safe for food contact, easy to clean, and does not react with acidic or alkaline substances.
- Q: How does hot rolling affect the microstructure of special steel?
- Hot rolling affects the microstructure of special steel by causing recrystallization and grain growth. The high temperature during the rolling process allows the steel to undergo plastic deformation, leading to the formation of new grains with a finer size. This results in improved mechanical properties such as increased hardness and strength. Additionally, hot rolling can also help in eliminating any residual stresses and improving the overall homogeneity of the steel's microstructure.
- Q: How does special steel contribute to improved product aesthetics?
- Improved product aesthetics can be achieved through the use of special steel in various ways. Firstly, special steel can be manufactured with a higher level of precision and consistency compared to regular steel. This enables the production of products with smoother surfaces, sharper edges, and more intricate designs, resulting in a visually pleasing appearance. Furthermore, special steel can be enhanced visually through treatments or coatings. For instance, it can be polished to create a reflective surface, giving the product a luxurious and high-end look. Additionally, special steel can be coated with different colors or finishes, such as chrome or black oxide, to match specific design preferences and create a more visually striking appearance. Moreover, the superior strength and flexibility of special steel allow for unique shaping and forming possibilities. This empowers designers to create products with innovative and complex shapes, contributing to a distinct and eye-catching aesthetic. The ability to mold special steel into various forms also opens up opportunities for intricate patterns, textures, and embossed designs on the product's surface. Lastly, special steel offers excellent corrosion resistance and durability, which helps maintain the product's appearance over time. It prevents rust, staining, and other forms of deterioration that can negatively impact the visual appeal. This long-lasting aesthetic quality is particularly valuable for products exposed to harsh environments or requiring frequent handling. In conclusion, special steel significantly enhances product aesthetics through precision manufacturing, customizable surface treatments, unique shaping capabilities, and long-lasting visual appeal. These qualities allow for the creation of visually appealing products that excel in design, finish, and overall appeal.
- Q: What are the different carburizing techniques used for special steel?
- There are several carburizing techniques used for special steel, including gas carburizing, liquid carburizing, pack carburizing, and vacuum carburizing. These techniques involve introducing carbon into the surface of the steel to improve its hardness and wear resistance. Gas carburizing involves heating the steel in a carbon-rich gas atmosphere, while liquid carburizing immerses the steel in a molten salt bath. Pack carburizing involves surrounding the steel with a carbon-rich compound in a sealed container. Vacuum carburizing is done in a low-pressure environment to minimize oxidation. Each technique has its advantages and is chosen based on the specific requirements of the steel and desired outcome.
- Q: What are the applications of high-strength low-alloy (HSLA) steel?
- High-strength low-alloy (HSLA) steel finds applications in various industries such as automotive, construction, and manufacturing. It is commonly used in the production of heavy machinery, bridges, pipelines, and offshore structures due to its excellent strength, toughness, and corrosion resistance. Additionally, HSLA steel is favored in the automotive industry for manufacturing lightweight yet durable components, enhancing fuel efficiency and overall vehicle performance.
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Reinforcing Twisted Steel Bars
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 140 m.t.
- Supply Capability:
- 500000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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