Reinforcing Twisted Steel Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 140 m.t.
- Supply Capability:
- 500000 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
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 requirements for special steel used in transportation equipment manufacturing?
- The requirements for special steel used in transportation equipment manufacturing are diverse and specific to the particular application in question. However, there are some common requirements that generally apply across the board. First and foremost, the special steel used in transportation equipment manufacturing needs to have high strength and durability. It must be able to withstand the rigorous demands of transportation, including heavy loads, vibrations, and impacts. Special steel with a high tensile strength and toughness is essential to ensure the structural integrity and safety of the transportation equipment. Secondly, the special steel must possess excellent corrosion resistance. Transportation equipment is exposed to various environmental conditions, including moisture, salt, chemicals, and extreme temperatures. Corrosion can lead to the deterioration and weakening of the steel, compromising the performance and longevity of the equipment. Therefore, using corrosion-resistant special steel is crucial to ensure the durability and reliability of transportation equipment. Additionally, the special steel used in transportation equipment manufacturing should have good weldability and formability. It must be able to be easily shaped, fabricated, and joined together through welding or other methods. This allows for the efficient production of complex structures and components, enabling the manufacturing of transportation equipment with intricate designs and specifications. Moreover, the special steel should also possess good fatigue resistance. Fatigue failure can occur due to repeated loading and unloading cycles, which is a common occurrence in transportation equipment. The special steel should be able to withstand this cyclic loading without undergoing fatigue cracks or failure, ensuring the long-term reliability of the equipment. Lastly, special steel used in transportation equipment manufacturing must comply with industry standards and regulations. Depending on the specific application and region, there may be certain legal requirements and safety standards that need to be met. These could include certifications, such as ISO, ASTM, or other relevant standards, to ensure the quality and performance of the steel. In summary, the requirements for special steel used in transportation equipment manufacturing include high strength, durability, corrosion resistance, good weldability and formability, fatigue resistance, and compliance with industry standards. Meeting these requirements is crucial to ensure the safety, reliability, and longevity of transportation equipment.
- Q:What are the common grades of special steel?
- The common grades of special steel vary depending on the specific application and desired properties. Some of the commonly used grades include: 1. Stainless steel: This is a corrosion-resistant steel alloy that contains a minimum of 10.5% chromium. Grades such as 304, 316, and 410 are commonly used in various industries due to their excellent corrosion resistance, high strength, and good formability. 2. Tool steel: These grades are specifically designed for toolmaking and are known for their high hardness, wear resistance, and toughness. Common tool steel grades include D2, A2, O1, and S7, each having specific properties suitable for different applications. 3. High-speed steel (HSS): HSS is a type of tool steel that can retain its hardness and cutting ability even at high temperatures. It is commonly used in cutting tools such as drills, end mills, and taps. M2, M35, and M42 are some of the common grades of HSS. 4. Alloy steel: As the name suggests, alloy steel is made by adding different alloying elements to enhance specific properties. Grades such as 4140, 4340, and 8620 are commonly used due to their high strength, toughness, and wear resistance. They find applications in industries like automotive, aerospace, and machinery. 5. Spring steel: Spring steel is known for its ability to return to its original shape after being bent or twisted. Grades like 1095 and 5160 are commonly used in the manufacturing of springs, suspension components, and hand tools. These are just a few examples of the common grades of special steel. There are numerous other grades available, each with unique properties and applications. It is important to select the appropriate grade based on the specific requirements of the intended use.
- Q:What are the main characteristics of pressure vessel steel forgings?
- Pressure vessel steel forgings possess several key features that render them suitable for utilization in pressure vessels. Firstly, these forgings are renowned for their exceptional strength and toughness. This attribute is of utmost importance as pressure vessels typically encounter significant internal pressure, necessitating steel capable of withstanding such force without deformation or rupture. Meticulous design and manufacturing ensure that the forgings possess the requisite strength and toughness to endure these pressures. Secondly, pressure vessel steel forgings exhibit remarkable resistance to corrosion. Given that pressure vessels frequently house corrosive fluids or gases, it becomes imperative for the steel employed in their construction to possess corrosion resistance. This feature guarantees the durability and dependability of the pressure vessel. The steel forgings are often crafted with specific alloying elements that enhance their resistance to corrosion. A further notable characteristic of pressure vessel steel forgings lies in their ability to retain their mechanical properties at elevated temperatures. Pressure vessels may be subjected to heightened temperatures due to the nature of the processes or fluids they contain. The forgings are designed to maintain their strength and toughness even in these high-temperature conditions, thereby ensuring the safety and reliability of the pressure vessel. Moreover, pressure vessel steel forgings typically undergo stringent quality control measures during their manufacturing process. This is essential to ensure that the forgings meet the prescribed standards and specifications for pressure vessel applications. The manufacturing process incorporates comprehensive inspections, testing, and documentation to guarantee compliance with the necessary quality and safety requirements. In summary, the primary characteristics of pressure vessel steel forgings encompass high strength and toughness, exceptional corrosion resistance, the ability to endure high temperatures, and stringent quality control measures. These attributes render pressure vessel steel forgings ideal for utilization in pressure vessels, providing the requisite strength, reliability, and safety demanded by such applications.
- Q:What are the challenges in welding special steel?
- One of the major challenges in welding special steel is its high carbon content, which can lead to the formation of brittle microstructures and increased susceptibility to cracking. Additionally, special steels often have unique alloying elements and compositions, which require precise temperature control and specialized welding techniques to maintain their desired properties. Furthermore, the presence of impurities and contaminants in special steels can cause porosity and other defects during the welding process, requiring thorough pre-weld preparation and stringent quality control measures.
- Q:How is case-hardening steel used in the manufacturing of gears?
- Case-hardening steel is used in the manufacturing of gears to increase their surface hardness while maintaining a tough and durable core. This process involves heating the gear in the presence of a carbon-rich gas or by immersing it in a carbon-rich environment. The carbon diffuses into the outer layer of the steel, creating a hardened surface. This hardened layer provides enhanced wear resistance and significantly extends the lifespan of the gear, making it suitable for demanding applications where gears experience high loads and friction.
- Q:How does special steel contribute to the fatigue resistance of products?
- The exceptional fatigue resistance of products is attributed to the unique properties and manufacturing processes of special steel. Firstly, special steel is engineered and designed to possess enhanced strength and durability, resulting in high resistance against fatigue. This is achieved by incorporating alloying elements such as chromium, nickel, molybdenum, and vanadium, which enhance the material's ability to withstand cyclic loading and stress. Furthermore, rigorous heat treatment processes, including quenching and tempering, are employed to further improve the fatigue resistance of special steel. These processes refine the microstructure of the material, leading to a more uniform and fine-grained product. Consequently, the steel's ability to resist crack initiation and propagation, which are critical factors in fatigue failure, is significantly enhanced. Moreover, specialized surface treatments like shot peening or nitriding are often applied to special steel. These treatments introduce compressive residual stresses on the material's surface, acting as a barrier against crack formation and growth. This significantly boosts the fatigue resistance of the product. Additionally, special steel can be manufactured with specific grain orientations using directional solidification techniques. This allows for the alignment of grains along the primary loading direction, reducing the likelihood of crack initiation at grain boundaries and further improving the material's fatigue performance. In conclusion, the exceptional fatigue resistance of special steel is a result of its unique properties and manufacturing processes. The combination of enhanced strength, refined microstructure, specialized surface treatments, and tailored grain orientations make special steel the preferred choice in industries where fatigue failure is a concern. This ensures prolonged lifespan and reliability of products.
- Q:What are the properties of high-temperature tool steel?
- High-temperature tool steel is known for its exceptional heat resistance, hardness, and wear resistance. It has the ability to retain its strength even at elevated temperatures, making it ideal for applications in high-temperature environments. Additionally, it exhibits excellent toughness, allowing it to withstand heavy loads and resist deformation. High-temperature tool steel also has good dimensional stability and can maintain its shape even under extreme conditions.
- Q:What are the characteristics of special stainless steel?
- Special stainless steel is known for its unique properties that set it apart from regular stainless steel. Some of the key characteristics of special stainless steel include: 1. High Corrosion Resistance: Special stainless steel has a higher level of corrosion resistance compared to regular stainless steel. It can withstand exposure to harsh environments, such as saltwater or acidic substances, without corroding or deteriorating. 2. High Temperature Resistance: Special stainless steel is designed to withstand high temperatures without losing its structural integrity. It can endure extreme heat, making it suitable for applications in industries like aerospace, automotive, and power generation. 3. Enhanced Strength and Durability: Special stainless steel is often alloyed with other elements to enhance its strength and durability. This makes it highly resistant to deformation, cracking, and wear, ensuring its longevity and reliability in demanding conditions. 4. Excellent Mechanical Properties: Special stainless steel exhibits exceptional mechanical properties, including high tensile strength, toughness, and ductility. These properties make it ideal for applications that require high load-bearing capacity, such as structural components and machinery. 5. Unique Magnetic Properties: Depending on its composition, special stainless steel can exhibit various magnetic properties, ranging from non-magnetic to highly magnetic. This versatility allows it to be used in applications where magnetic properties are required, such as magnetic resonance imaging (MRI) machines or electrical transformers. 6. Hygienic and Easy to Clean: Special stainless steel is known for its hygienic properties, which make it suitable for applications in the food and healthcare industries. It is non-porous, resistant to bacteria growth, and easy to clean, making it an ideal choice for equipment and surfaces that require strict sanitary standards. 7. Aesthetic Appeal: Special stainless steel is often used in architectural and design applications due to its aesthetic appeal. It can be polished to a mirror-like finish, giving it a sleek and modern look. Additionally, it can be easily shaped and welded, allowing for creative design possibilities. In summary, special stainless steel possesses a combination of high corrosion resistance, temperature resistance, strength, durability, excellent mechanical properties, unique magnetic properties, hygienic features, and aesthetic appeal. These characteristics make it a preferred choice for a wide range of industrial, commercial, and domestic applications.
- Q:How does special steel contribute to the agricultural industry?
- Special steel contributes to the agricultural industry by providing durable and high-performance materials that enhance the efficiency and productivity of agricultural machinery and equipment. It is used in the manufacturing of components like blades, cutting tools, plows, and harrows, which need to withstand tough conditions and heavy use. Special steel's strength, corrosion resistance, and ability to retain sharp edges make it ideal for these applications, ensuring longer lifespan, improved performance, and reduced maintenance costs for agricultural machinery.
- Q:How does the demand for special steel vary across different regions?
- The demand for special steel can vary significantly across different regions due to several factors. One of the key drivers of demand variation is the level of industrialization in a particular region. Developed regions with a strong manufacturing sector, such as North America, Europe, and East Asia, tend to have a higher demand for special steel as they rely heavily on it for various industrial applications. Another factor that influences demand variation is the presence of specific industries or sectors within a region. For example, regions with a significant automotive or aerospace industry will have a higher demand for special steel as these sectors require high-performance materials for the production of vehicles or aircraft. Moreover, the construction industry plays a crucial role in determining the demand for special steel. Regions experiencing rapid urbanization and infrastructure development, like Southeast Asia, the Middle East, and parts of Africa, have an increased demand for special steel for the construction of buildings, bridges, and other infrastructure projects. Additionally, the availability of raw materials and production capabilities within a region can affect the demand for special steel. Regions with ample access to iron ore, coal, and other necessary resources for steel production may have a higher demand for special steel as they can efficiently produce it. Lastly, economic trends and government policies also impact the demand for special steel. Regions with stable economic growth and favorable policies for industries that use special steel will likely experience higher demand. Conversely, regions facing economic downturns or restrictive trade policies may witness a decline in demand. In conclusion, the demand for special steel varies across different regions due to factors such as industrialization levels, specific industries present, construction activities, availability of raw materials, and economic trends. Understanding these variations is essential for steel manufacturers and suppliers to effectively target and cater to the diverse needs of different regions.
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Reinforcing Twisted Steel Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 140 m.t.
- Supply Capability:
- 500000 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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