Hot Rolled Steel Rebar and Cold Steel Rebar
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 50000 m.t./month
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Specification
Hot Rolled Steel Rebar and Cold Steel Rebar
Description of Hot Rolled Steel Rebar :
1, Diameter: 5.5mm-10mm rounds reinforcing steel bar
10m- 40mm Hot Rolled Steel Rebar
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 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 |
Product Show of Hot Rolled Steel Rebar :
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.
FAQ:
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 applications of special steel in the aerospace sector?
- Due to its exceptional properties and capabilities, special steel finds numerous applications in the aerospace sector. Firstly, it is utilized in the manufacturing of aircraft engines. Special steel's high strength and temperature resistance make it an ideal choice for components such as turbine blades and discs, which experience extreme heat and stress during operation. Moreover, special steel provides excellent corrosion resistance, ensuring the durability and reliability of vital engine parts. Another important application of special steel in the aerospace sector involves constructing aircraft structures. Special steel alloys are employed to fabricate landing gear, wing components, and other structural elements. The high strength-to-weight ratio of special steel enables the production of lightweight yet sturdy structures, contributing to fuel efficiency and overall performance. Special steel is also essential in producing aerospace fasteners, including bolts, nuts, and screws that secure various aircraft components together. Special steel's exceptional mechanical properties, fatigue resistance, and vibration resistance make it an ideal material for fasteners, ensuring the integrity and safety of aircraft assemblies. Furthermore, special steel is utilized in aerospace tooling and equipment. Tools used in the manufacturing process, such as cutting tools and molds, are often made from special steel. Its high hardness and wear resistance enable efficient and precise machining of aerospace components. Additionally, special steel is employed in the production of specialized equipment, such as test rigs, calibration devices, and ground support equipment, which are crucial for aerospace operations and maintenance. In conclusion, special steel plays a crucial role in the aerospace sector, contributing to the overall safety, performance, and reliability of aerospace systems. Its use in aircraft engines, structures, fasteners, and tooling is indispensable for the demanding and critical applications within the aerospace industry, thanks to its unique properties.
- Q: What are the factors that affect the corrosion resistance of special steel?
- The factors that affect the corrosion resistance of special steel include the composition and content of alloying elements, surface finish and treatment, environmental conditions such as temperature, humidity, and exposure to chemicals, as well as the presence of protective coatings or inhibitors. Additionally, the manufacturing process and heat treatment can also influence the corrosion resistance of special steel.
- Q: What are the different surface treatment methods for special steel?
- Some of the different surface treatment methods for special steel include heat treatment, plating, coating, and nitriding. Heat treatment involves heating and cooling the steel to improve its hardness, strength, and ductility. Plating involves applying a thin layer of metal, such as zinc or chrome, to enhance corrosion resistance. Coating methods like painting or powder coating provide a protective layer and can improve aesthetics. Nitriding involves introducing nitrogen to the steel's surface to increase hardness and wear resistance.
- Q: What are the properties of shock-resistant alloy steel?
- Shock-resistant alloy steel is a type of steel that possesses specific properties that make it highly resistant to shock and impact. These properties include high tensile strength, toughness, and hardness. It is also known for its ability to withstand sudden changes in temperature, making it suitable for applications in extreme environments. Additionally, shock-resistant alloy steel has excellent fatigue resistance, corrosion resistance, and wear resistance, making it ideal for use in industries such as aerospace, automotive, and defense.
- Q: What are the properties of maraging steel?
- Maraging steel is a unique alloy known for its exceptional strength, toughness, and resistance to corrosion. It is characterized by its high yield strength, making it suitable for applications that require strong and durable materials. Maraging steel also exhibits excellent machinability and weldability, allowing for ease of fabrication and assembly. Additionally, it is known for its exceptional resistance to stress corrosion cracking, making it an ideal choice for critical components in aerospace, defense, and other high-performance industries.
- Q: What are the requirements for special steel used in packaging machinery?
- The specifications for the special steel utilized in packaging machinery can differ depending on the specific application and type of packaging machinery employed. Nonetheless, there are certain common expectations for this type of steel. To begin with, it is crucial for the special steel employed in packaging machinery to exhibit exceptional resistance to corrosion. This is because packaging machinery frequently comes into contact with various liquids, such as water, oils, and cleaning solutions. The corrosion resistance feature aids in preventing the steel from deteriorating or rusting when exposed to these substances, thereby ensuring the longevity and dependability of the machinery. Secondly, the steel should possess a high level of hardness and wear resistance. Packaging machinery often entails moving parts and components that are constantly subjected to friction and wear. Therefore, the steel employed in these parts must be capable of enduring repetitive contact and abrasion without undergoing significant wear or deformation. The high level of hardness also helps in preventing the formation of scratches or grooves on the surfaces, which could compromise the quality of the packaging. Furthermore, the special steel should possess good machinability and formability. Packaging machinery frequently requires complex shapes and intricate designs, necessitating steel that can be easily machined and formed into the desired shapes and sizes. This facilitates the manufacturing process and allows for the creation of precise and accurate components. Additionally, the steel should possess high tensile strength and toughness. Packaging machinery may be subjected to mechanical stresses and impacts during operation, and the steel used in its construction must be capable of withstanding these forces without fracturing or breaking. The high tensile strength ensures the structural integrity of the machinery, while toughness helps in preventing the formation of cracks or fractures under sudden loads or impacts. Lastly, the special steel employed in packaging machinery should be cost-effective and readily available. The cost of the steel should be reasonable and within the manufacturer's budget, without compromising the quality or performance of the machinery. Additionally, the steel should be readily available in the market to ensure a continuous supply for manufacturing purposes. In conclusion, the requirements for special steel used in packaging machinery encompass corrosion resistance, high hardness and wear resistance, good machinability and formability, high tensile strength and toughness, as well as cost-effectiveness. Fulfilling these requirements guarantees the durability, reliability, and efficiency of the packaging machinery in various industrial applications.
- Q: What are the main applications of special steel in the oil and gas equipment?
- Special steel is widely used in the oil and gas equipment industry due to its exceptional properties such as high strength, corrosion resistance, and heat resistance. Some of the main applications of special steel in this industry include manufacturing of drilling equipment, pipelines, valves, fittings, and other critical components. Special steel ensures the durability and reliability of these equipment in harsh environments, such as offshore drilling, where they are subjected to extreme temperatures, high pressures, and corrosive substances.
- Q: What are the different renewable energy grades of special steel?
- There are different grades of special steel used in the production of renewable energy equipment, such as wind turbines, solar panels, and hydroelectric generators. These grades include high-strength steel, corrosion-resistant steel, and heat-resistant steel. Each grade is specifically designed to withstand the unique operating conditions and environmental factors associated with renewable energy applications.
- Q: Can special steel be used for making medical equipment?
- Yes, special steel can be used for making medical equipment. Special steels, such as stainless steel, are commonly used in the manufacturing of medical instruments and equipment due to their excellent mechanical properties, corrosion resistance, and biocompatibility. Stainless steel, in particular, is highly resistant to corrosion, easy to clean and sterilize, and can withstand the harsh conditions of medical procedures. It is commonly used in the production of surgical instruments, implants, orthopedic devices, needles, and other medical equipment. Additionally, special steels can be customized and engineered to meet specific requirements for medical applications, ensuring the highest quality and performance.
- Q: How does the microstructure of special steel affect its performance?
- The microstructure of special steel plays a significant role in determining its performance. Special steels are alloyed with specific elements to enhance their properties and meet specific application requirements. The microstructure refers to the arrangement of the steel's crystalline grains and the presence of any phase transformations within the material. One critical aspect of the microstructure is the grain size. Fine-grained structures, achieved through controlled cooling or alloying additions, offer improved strength, hardness, and toughness. Smaller grain sizes hinder the movement of dislocations within the material, resulting in increased strength and hardness. This is particularly crucial in applications that require high strength-to-weight ratios, such as aerospace or automotive components. Another crucial factor is the presence of various phases in the microstructure. The addition of specific alloying elements can promote the formation of different phases, such as martensite, bainite, or ferrite. These phases have different mechanical properties, such as hardness, toughness, and corrosion resistance. By carefully controlling the microstructure, it is possible to tailor the steel's performance to specific applications. For example, martensitic structures offer high hardness and wear resistance, ideal for cutting tools, while bainitic structures provide a good balance of strength and toughness, suitable for structural components. Furthermore, the microstructure also governs the steel's response to heat treatment processes, such as quenching and tempering. Heat treatments can modify the microstructure to achieve desired mechanical properties, such as increasing hardness or improving resistance to fatigue. The microstructure's ability to transform during heat treatment allows for precise control over the steel's performance characteristics. In summary, the microstructure of special steel significantly affects its performance. Grain size, phase distribution, and response to heat treatment are all key factors that determine the steel's mechanical properties and suitability for specific applications. By understanding and manipulating the microstructure, engineers can design special steels with enhanced performance, meeting the stringent demands of various industries.
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Hot Rolled Steel Rebar and Cold Steel Rebar
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 50000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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