Construction Reinforcing Steel
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 170 m.t.
- Supply Capability:
- 500000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Specification
Type:
Carbon Steel
Shape:
Steel Round Bar
Construction Reinforcing Steel
Description of Construction Reinforcing Steel
1, Diameter: 5.5mm-10mm Construction Reinforcing Steel
10m- 40mm Construction Reinforcing Steel
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.
Chemical Composition of Construction Reinforcing Steel
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 Construction Reinforcing Steel
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: How does special steel maintain its strength at different temperatures?
- Special steel maintains its strength at different temperatures due to its unique composition and specific manufacturing processes. The addition of alloying elements, such as chromium, nickel, and molybdenum, enhances the steel's ability to resist thermal degradation and maintain its structural integrity. Additionally, special heat treatment techniques, such as quenching and tempering, are applied to improve the steel's microstructure, resulting in increased strength and toughness at various temperature ranges.
- Q: How is special steel used in the aerospace manufacturing process?
- Special steel is used in the aerospace manufacturing process for various applications, such as producing critical components like landing gear, turbine blades, and engine parts. The high strength, durability, and resistance to corrosion make special steel an ideal material for these aerospace components, ensuring the safety, reliability, and performance of the aircraft.
- Q: What are the different mechanical properties of special steel?
- Special steels exhibit a diverse array of mechanical characteristics that render them distinctive and well-suited for specific uses. Among the noteworthy mechanical properties of special steel are its exceptional strength, impressive toughness, commendable wear resistance, and superior corrosion resistance. Of all these properties, high strength emerges as a particularly crucial attribute of special steel. This inherent strength enables the material to withstand substantial loads and stress without succumbing to deformation or failure. As a result, special steel finds application in areas where the preservation of structural integrity and durability holds paramount importance, such as in the construction of buildings, bridges, and machinery. Another significant mechanical property of special steel lies in its toughness. This quality refers to the material's ability to absorb energy and withstand fracture when subjected to impact or sudden loads. Special steels possessing high toughness become indispensable in applications involving dynamic and high-impact forces, such as the fabrication of tools, gears, and machinery components. Wear resistance constitutes yet another critical mechanical property of special steel. It denotes the material's capacity to endure damage and deterioration caused by friction, abrasion, or erosion. Special steel boasting good wear resistance frequently finds employment in scenarios where it will be exposed to harsh conditions or repetitive mechanical actions, as witnessed in the manufacturing of cutting tools, dies, and molds. Of equal importance is the superior corrosion resistance offered by special steel. This mechanical property proves invaluable, particularly in environments where exposure to moisture, chemicals, or extreme temperatures looms likely. Special steels endowed with high corrosion resistance can withstand the adverse effects of oxidation, rust, and chemical reactions, rendering them eminently suitable for deployment in industries such as marine, chemical, and oil and gas. In conclusion, special steels possess a diverse range of mechanical properties that distinguish them from conventional steels. High strength, remarkable toughness, commendable wear resistance, and superior corrosion resistance represent a few of these key mechanical properties, rendering special steel the preferred choice for numerous industrial applications.
- Q: What are the different types of welding techniques used for special steel?
- Special steel can be welded using various techniques depending on its specific requirements and properties. Some commonly used techniques for welding special steel include: 1. Stick welding, also known as Shielded Metal Arc Welding (SMAW), involves using a consumable electrode coated in flux to create an electric arc between the electrode and the base metal. This technique is ideal for thicker sections of special steel due to its ability to generate high heat and deep penetration. 2. Gas Metal Arc Welding (GMAW), also known as MIG welding, utilizes a continuously fed wire electrode and a shielding gas to protect the weld from atmospheric contamination. Its versatility and ability to produce high-quality welds with good control make it widely used for special steel. 3. Gas Tungsten Arc Welding (GTAW), also known as TIG welding, employs a non-consumable tungsten electrode and a shielding gas to create an electric arc. This technique is often preferred for special steel alloys that require precise control over the welding process and where weld quality and appearance are crucial. 4. Flux-Cored Arc Welding (FCAW), similar to GMAW, employs a continuously fed tubular electrode filled with flux. This technique is commonly used for special steel applications that necessitate high deposition rates and deep penetration, such as heavy fabrication or structural welding. 5. Submerged Arc Welding (SAW) involves creating an arc between a continuously fed bare electrode and the workpiece, while a layer of granular flux covers the arc. This technique is typically used for heavy-duty applications and thick materials, providing excellent weld quality and high deposition rates. 6. Laser Beam Welding (LBW) utilizes a highly focused laser beam to melt and join special steel parts. It offers precise control, high welding speeds, and minimal distortion, making it suitable for specialized applications that require high precision and minimal heat-affected zones. It is crucial to consider factors such as material composition, thickness, joint configuration, and desired weld properties when selecting the appropriate welding technique for special steel. Expertise and knowledge are essential to determine the best technique for a specific application, ensuring optimal results in terms of weld quality, strength, and durability.
- Q: How does aluminum contribute to the properties of special steel?
- Aluminum is commonly added as an alloying element in special steel to enhance its properties. By adding aluminum to steel, several improvements can be achieved. Firstly, aluminum improves the strength of steel by forming a fine dispersion of aluminum nitride particles within the steel matrix. These particles act as barriers to dislocation movement, impeding the deformation of the steel and increasing its strength. This makes the steel more resistant to mechanical stresses and enhances its load-bearing capacity. Secondly, aluminum also enhances the corrosion resistance of steel. It forms a protective oxide layer on the surface of the steel, acting as a barrier against the corrosive agents. This oxide layer prevents the steel from oxidizing, rusting, and deteriorating over time, making it more durable and long-lasting in various environments. Additionally, aluminum can improve the machinability of special steel. Its presence in the steel composition reduces the tendency of the steel to work harden during machining operations. This makes it easier to cut, drill, or shape the steel, resulting in improved productivity and reduced tool wear. Moreover, aluminum contributes to the heat resistance of special steel. It has a high melting point and good thermal conductivity, which helps in maintaining the structural integrity of the steel at elevated temperatures. This makes aluminum-steel alloys suitable for applications where high-temperature resistance is required, such as in the aerospace and automotive industries. In summary, aluminum contributes significantly to the properties of special steel. It enhances the strength, corrosion resistance, machinability, and heat resistance of steel, making it a versatile material with a wide range of applications.
- Q: How does special steel contribute to the defense and security industry?
- Enhanced strength, durability, and resistance to extreme conditions are crucial attributes of special steel, playing a vital role in the defense and security industry. This type of steel is specifically designed to meet the industry's unique demands, ensuring military equipment and infrastructure can withstand challenging environments and threats. One significant contribution of special steel to the defense and security sector lies in its use for manufacturing armored vehicles and tanks. These vehicles require high-strength steel to protect military personnel from ballistic and explosive threats. Special steel provides the necessary toughness and resilience to withstand impacts, ensuring soldiers' safety on the battlefield. Moreover, special steel is instrumental in the production of naval vessels and submarines. The maritime environment poses significant challenges due to its corrosive nature and harsh weather conditions. By utilizing special steel, naval ships can be constructed with superior corrosion resistance, extending their lifespan and reducing maintenance costs. Additionally, special steel is vital for the production of military-grade weaponry and ammunition. The steel's high strength and durability ensure that firearms, missiles, and other weapons can withstand extreme forces and function reliably in critical situations. This reliability is of utmost importance in the defense and security industry, where weapon failure could have severe consequences. Furthermore, special steel contributes to the construction of critical defense infrastructure, including military bases, bunkers, and communication towers. Its ability to withstand extreme temperatures, high pressures, and other challenging conditions ensures the reliability and longevity of these structures, enhancing national security. In summary, special steel's unique properties, including high strength, durability, and resistance to extreme conditions, are essential in the defense and security industry. By incorporating this material into military equipment, vehicles, weaponry, and infrastructure, defense organizations can ensure the safety, reliability, and effectiveness of their operations, ultimately contributing to national security.
- Q: What are the applications of special steel in aerospace engineering?
- Special steels play a crucial role in aerospace engineering due to their unique properties and capabilities. These steels are specifically designed to meet the demanding requirements of the aerospace industry, where high strength, excellent corrosion resistance, and extreme temperature resistance are of utmost importance. Here are some key applications of special steel in aerospace engineering: 1. Aircraft engine components: Special steels, such as stainless steels, are used extensively in the manufacturing of aircraft engine components. These steels offer superior strength, corrosion resistance, and high-temperature resistance, making them ideal for critical parts like turbine blades, compressor discs, and shafts. 2. Landing gear systems: The landing gear of an aircraft is subjected to significant stress and impact during takeoff, landing, and taxiing. Special steels, known for their excellent strength, toughness, and fatigue resistance, are employed in the fabrication of landing gear components like struts, axles, and shock absorbers. 3. Structural components: Aerospace structures need to withstand dynamic loads, vibrations, and extreme environmental conditions. Special steels, such as high-strength low-alloy (HSLA) steels, are used in various structural components like wings, fuselage frames, and support structures. These steels offer exceptional strength-to-weight ratios, ensuring structural integrity while minimizing weight. 4. Fasteners: Special steel fasteners, such as bolts, screws, and rivets, are vital for joining different components in aerospace applications. These fasteners are typically made from high-strength steels, providing excellent tensile and shear strength, as well as corrosion resistance, to ensure secure and reliable connections. 5. Fuel system components: Special steels with high resistance to corrosion, such as stainless steels, are used in the construction of fuel system components like tanks, pipes, and valves. These steels prevent fuel leakage and maintain the integrity of the system, even when exposed to harsh environments. 6. Electrical connectors: Aerospace electrical systems require reliable and efficient electrical connectors. Special steels, often with high electrical conductivity and corrosion resistance, are used in manufacturing connectors, ensuring optimal performance and longevity. In summary, special steels find extensive use in aerospace engineering due to their exceptional properties. Whether it is for critical engine components, landing gear systems, structural applications, fasteners, fuel systems, or electrical connectors, these steels provide the necessary strength, corrosion resistance, and temperature stability required to ensure safe and efficient aircraft operation.
- Q: How does special steel perform in terms of electrical conductivity?
- Special steel generally has low electrical conductivity compared to other metals such as copper or aluminum. This is due to the high carbon content and other alloying elements present in special steel, which impede the flow of electric current. However, certain types of special steel, such as stainless steel, can exhibit better electrical conductivity when compared to regular carbon steel.
- Q: What industries use special steel?
- Special steel plays a vital role in multiple industries, relying on its unique properties to carry out their operations. The automotive industry, for instance, utilizes special steel extensively in manufacturing engine parts, transmission systems, and chassis components. The exceptional strength, durability, and corrosion resistance of special steel make it an ideal choice for withstanding the challenging conditions faced by automotive components. Similarly, the aerospace industry heavily relies on special steel in constructing aircraft structures, engine components, and landing gear systems. The lightweight yet robust characteristics of special steel are crucial in ensuring the safety and performance of aircraft. In the energy sector, special steel is essential for producing equipment used in oil and gas exploration, such as drilling rigs, pipelines, and offshore platforms. The high-strength and corrosion-resistant properties of special steel enable it to withstand the harsh operating conditions prevalent in this industry. The construction industry is also a significant consumer of special steel, using it in the manufacturing of structural components, reinforcing bars, and precast concrete products. Special steel provides the necessary strength and durability required for building structures capable of withstanding diverse environmental conditions and heavy loads. Moreover, the manufacturing and machinery industry relies on special steel for producing heavy machinery, industrial equipment, and machine tools. The exceptional strength, wear resistance, and heat resistance properties of special steel make it well-suited to meet the demanding requirements of these applications. Lastly, the defense and military industry heavily depends on special steel for producing military vehicles, weapons, and armor. Special steel's ability to withstand extreme conditions and provide protection makes it a critical material in this industry. Overall, special steel's exceptional properties of strength, durability, corrosion resistance, and heat resistance make it indispensable across various industries. Its applications span from automotive and aerospace to energy, construction, manufacturing, and defense sectors, where reliability and performance are of paramount importance.
- Q: What are the different methods of improving the toughness of special steel?
- There are several methods of improving the toughness of special steel. One common method is through heat treatment, such as quenching and tempering, which involves rapidly cooling the steel to increase its hardness and then reheating it to improve its toughness. Another method is alloying, where elements like nickel, chromium, and molybdenum are added to the steel to enhance its toughness. Additionally, refining the steel's microstructure through processes like grain-size control and precipitation hardening can also improve its toughness.
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Construction Reinforcing Steel
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 170 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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