Special Steel Reinforcing Steel Bars HRB500 Rebars

Special Steel Reinforcing Steel Bars HRB500 Rebars System 1

Special Steel Reinforcing Steel Bars HRB500 Rebars

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 10000 m.t./month

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Product Information

1.Specification

Diameter(mm)	Φ6 ,Φ8,Φ10,Φ12,Φ13,Φ14,Φ16,Φ18,Φ20,Φ22,Φ25,Φ28,Φ32,Φ36,Φ40,Φ50
Length(m)	Unfolded / Straight Bundles weighing upto 2 Metric Tons and lengths is 6 Meters up to 15 Meters or according customers require
	U Shaped folded Bundles weighing up to 2 Metric Tons and lengths is 12 Meters
	Rounded Coils ~ up to 2 Metric Ton Coils for Bending / Cutting Machine use.
Standard	GB(HRB335/HRB400/HRB500);
	BS4449 -1997 GRADE 250B, 460B; BS4449-2005 GRADE 500B;
	ASTM A615 GRADE 40,GRADE60,GRADE75; ASTM A706;
	DIN488-1 420S/500S, BST500S
	JIS G3112 SD35, SD40, SD50,SD390
	NFA 35016 FE E 400, FE E 500
	CA 50/60
	GOST A3 R A500C
Surface finished	Screw-thread
	Epoxy coating
	Galvanized coating
Production facility	Imports of production equipment from Italy
Production capacity	50,000 MT/month
Payment term	T/T or 100% L/C at sight
Package	In bundles. One bundles about 2-3tons

2.Chemical composition

Grade	Technical data of the original chemical composition (%)
	C	Mn	Si	S	P	B
HRB335	≤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

Grade	Technical data of the original chemical composition (%)
	C	Mn	Si	S	P	V
HRB400	≤0.25	≤1.60	≤0.80	≤0.045	≤0.045	0.04-0.12
	Physics capability
	Yield Strength (N/cm2)		Tensile Strength (N/cm2)		Elongation (%)
	≥400		≥570		≥14

3.Theorectical weight

Diameter (MM)	Cross Sectional Area (MM2)	Theorectical Weight (KG/M)	Weight of 12M Bar (KG)	A Ton Contains 12M Bars (PCS)
6	28.27	0.222	2.664	375.38
8	50.27	0.395	4.74	210.97
10	78.54	0.617	7.404	135.06
12	113.1	0.888	10.656	93.84
14	153.9	1.21	14.52	68.87
16	201.1	1.58	18.96	52.74
18	254.5	2	24	41.67
20	314.2	2.47	29.64	33.74
22	380.1	2.98	35.76	27.96
25	490.9	3.85	46.2	21.65
28	615.8	4.83	57.96	17.25
32	804.2	6.31	75.72	13.21
36	1018	7.99	98.88	10.43
40	1257	9.87	118.44	8.44

Product Show

Special Steel Reinforcing Steel Bars HRB500 Rebars

Workshop Show

Special Steel Reinforcing Steel Bars HRB500 Rebars

Shipping

1. FedEx/DHL/UPS/TNT for samples, Door-to-Door;

2. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;

3. Customers specifying freight forwarders or negotiable shipping methods!

Delivery Time: 3-7 days for samples; 5-25 days for batch goods.

Payment Terms

1.Payment: T/T, L/C, Western Union, MoneyGram,PayPal; 30% deposits; 70% balance before delivery.

2.MOQ: 1pcs

3.Warranty : 3 years

4.Package Informations: 1) EXPORT, In 20 feet (GW 25 ton) or 40 feet Container (GW 25 ton)

2)as customer's requirement

Why choose us?

(1) The leading exporter in China special steel industry.

(2) Large stocks for various sizes, fast delivery date.

(3) Good business relationship with China famous factories.

(4) More than 7 years steel exporting experience.

(5) Good after-sales service guarantee.

Q: Can special steel be used in the energy sector?: Yes, special steel can be used in the energy sector. Special steel refers to various types of high-performance alloys that are specifically designed for applications that require exceptional strength, durability, and resistance to corrosion and extreme temperatures. These properties make special steel an ideal choice for numerous components used in the energy sector. In the oil and gas industry, special steel is commonly used for the construction of pipelines, drilling equipment, and offshore platforms. Its high strength and corrosion resistance help in ensuring the integrity and reliability of these critical structures, even in harsh environments. Special steel is also widely utilized in power generation plants. For example, in thermal power plants, where steam is generated to produce electricity, special steel is used to manufacture boiler tubes and pressure vessels. The exceptional heat resistance and structural integrity of special steel ensure the safe and efficient operation of these components under high temperatures and pressure. Furthermore, special steel finds applications in renewable energy sectors such as wind and solar power. In wind turbines, for instance, special steel is used to manufacture rotor shafts, gears, and bearings, which are subjected to high mechanical loads. Similarly, in concentrated solar power plants, special steel is employed in the construction of the heat exchangers, receivers, and storage systems. Overall, the use of special steel in the energy sector is crucial for enhancing the overall performance, safety, and longevity of various components and structures. Its unique properties make it an indispensable material in supporting the energy industry's infrastructure and operations.

Q: Can special steel be used in the power transmission industry?: Yes, special steel can be used in the power transmission industry. Special steel alloys, such as high-strength and corrosion-resistant varieties, are often used to manufacture components like gears, shafts, and bearings in power transmission systems. These special steels offer improved durability, increased load capacity, and better resistance to wear and fatigue, making them suitable for the demanding conditions of the power transmission industry.

Q: What are the thermal properties of special steel?: Special steels have unique thermal properties that make them highly desirable in various applications. One of the key thermal properties of special steel is its high thermal conductivity. This means that it is able to efficiently transfer and dissipate heat. This property makes special steel ideal for use in heat exchangers, where it can effectively transfer heat between fluids. Additionally, special steel has a high melting point, which allows it to withstand high temperatures without deforming or losing its structural integrity. This makes it suitable for applications that involve exposure to extreme heat, such as in furnaces or aerospace engines. Furthermore, special steel exhibits excellent thermal expansion properties. It expands and contracts at a relatively consistent rate with changes in temperature, minimizing the risk of warping or cracking. This property is particularly important in applications where dimensional stability is crucial, such as in precision instruments or high-temperature machinery. Moreover, special steel can also possess good resistance to thermal fatigue. This means that it can withstand repeated heating and cooling cycles without developing cracks or weakening. This property is especially beneficial in applications that involve cyclic thermal loading, such as in automotive engine components or turbine blades. In summary, special steel possesses high thermal conductivity, a high melting point, excellent thermal expansion properties, and resistance to thermal fatigue. These thermal properties make it a preferred choice in a wide range of industries, including automotive, aerospace, energy, and manufacturing, where thermal performance and durability are crucial.

Q: How does special steel contribute to the automotive engine industry?: Special steel plays a crucial role in the automotive engine industry by offering enhanced performance, durability, and efficiency. It is used to manufacture various engine components such as crankshafts, camshafts, connecting rods, and valves, which are subjected to high stress and temperature. The use of special steel ensures these components can withstand the demanding conditions and provide better power, fuel efficiency, and overall engine performance. Additionally, special steel enables engine manufacturers to reduce weight while maintaining structural integrity, contributing to improved fuel economy and reduced emissions.

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: How does the hardness of special steel affect its machinability?: The hardness of special steel has a significant impact on its machinability. In general, as the hardness of the steel increases, its machinability decreases. Machinability refers to the ease with which a material can be machined or shaped using various machining processes such as cutting, drilling, or milling. Hardness is a measure of a material's resistance to indentation or scratching. It is typically measured using the Rockwell hardness scale or the Brinell hardness test. Special steel, which is known for its high strength and durability, often has a higher hardness compared to other types of steel. When machining special steel, a harder material poses challenges for several reasons. Firstly, harder materials are more difficult to cut, as they require higher cutting forces and generate more heat during the machining process. This can lead to increased tool wear and shorter tool life, resulting in higher production costs. Secondly, hard steel tends to have lower ductility and toughness, making it more prone to cracking or chipping during machining. This can lead to poor surface finish, dimensional inaccuracies, and even component failure. Moreover, the increased hardness of special steel also affects chip formation. Harder materials tend to produce shorter and more segmented chips, which can cause issues with chip evacuation and tool clogging. This can further hinder the machining process and affect the overall productivity. To improve the machinability of hard special steel, various strategies can be employed. The selection of appropriate cutting tools with specific geometries and coatings designed for hard materials is crucial. Additionally, optimizing cutting parameters such as cutting speed, feed rate, and depth of cut can help reduce the negative effects of hardness on machinability. In conclusion, the hardness of special steel has a direct impact on its machinability. As the hardness increases, the machinability decreases due to increased cutting forces, higher tool wear, reduced ductility, and chip formation challenges. However, with proper tool selection and optimization of cutting parameters, the machinability of hard special steel can be improved, enabling efficient and cost-effective machining processes.

Q: What are the different machining techniques for special steel?: There are several machining techniques that can be used for special steel, depending on the specific requirements and characteristics of the steel. Some common machining techniques include turning, milling, drilling, grinding, and broaching. Each technique has its own advantages and is chosen based on factors such as the desired shape, size, and surface finish of the steel component. Additionally, advanced techniques like electrical discharge machining (EDM) and laser cutting can be employed for special steel, offering precise and efficient machining solutions.

Q: How is corrosion-resistant stainless tool steel used in the production of food processing equipment?: Corrosion-resistant stainless tool steel is used in the production of food processing equipment due to its ability to resist rust and corrosion caused by exposure to moisture, chemicals, and food acids. This steel is specifically designed to withstand the harsh conditions present in food processing environments, ensuring the equipment remains durable and hygienic. It is commonly used to manufacture blades, cutting tools, and various components of machines that come into direct contact with food. Its corrosion-resistant properties make it a reliable and safe choice for maintaining the quality and integrity of food during processing.

Q: What are the future trends and innovations expected in special steel production?: The special steel production industry is anticipated to undergo significant changes in the future. Several trends and innovations will shape this industry, and the following key areas are expected to see advancements: 1. Advanced Manufacturing Techniques: Special steel manufacturers will likely adopt advanced manufacturing techniques, such as additive manufacturing (3D printing) and digitalization. These technologies will facilitate the production of complex geometries, minimize waste, and allow for customization of special steel products. 2. Sustainable Production: Due to growing environmental concerns, there will be a focus on sustainable production methods in the special steel industry. This will involve adopting energy-efficient processes, recycling and reusing materials, and reducing the carbon footprint of steel production. 3. High-Strength and Lightweight Alloys: The demand for lightweight materials in sectors like automotive and aerospace will drive special steel production towards developing high-strength and lightweight alloys. These alloys will enhance performance while reducing component weight, leading to improved fuel efficiency and sustainability. 4. Nanotechnology and Microstructural Engineering: Nanotechnology and microstructural engineering will enhance the properties of special steels. By manipulating materials at the nanoscale, manufacturers can improve strength, toughness, corrosion resistance, and other characteristics. 5. Enhanced Surface Treatments: Advancements in surface treatments, such as coatings, will improve the performance and longevity of special steel products. Innovative surface treatments will offer increased resistance to wear, corrosion, and heat, expanding the range of applications for special steels. 6. Digitalization and Data Analytics: Special steel production will undergo a revolution with the integration of digital technologies and data analytics. Smart factories with interconnected systems will enable real-time monitoring, predictive maintenance, and improved quality control, resulting in higher productivity and efficiency. 7. Automation and Robotics: Automation and robotics will continue to play a vital role in special steel production, optimizing productivity, reducing human errors, and improving worker safety. This will enhance overall operational efficiency. 8. Industry 4.0 Integration: The special steel industry will embrace Industry 4.0 principles, including the Internet of Things (IoT) and artificial intelligence (AI). These technologies will enable seamless connectivity, intelligent decision-making, and predictive analysis, leading to improved productivity, cost-effectiveness, and competitiveness. In conclusion, the future of special steel production will be shaped by advancements in manufacturing techniques, sustainable practices, material engineering, digitalization, and automation. These innovations will not only enhance the performance and quality of special steel products but also contribute to a more sustainable and efficient industry.

Q: What are the different methods of improving the toughness of special steel?: To enhance the toughness of special steel, various techniques can be utilized. One effective method involves the addition of alloying elements such as nickel, chromium, or manganese to the steel composition. These elements contribute to increased strength and resistance to cracking or fracturing. Another approach is to apply heat treatment processes like quenching and tempering. Quenching rapidly cools the steel from a high temperature, resulting in a hardened structure. On the other hand, tempering involves reheating the quenched steel to a specific temperature and then slowly cooling it. In addition, grain refinement techniques can be employed to improve toughness. Controlling the size and distribution of grains within the steel enhances its resistance to fracture. Methods like grain size control through recrystallization and severe plastic deformation can be used to refine the grain structure. Furthermore, maintaining low impurity content in the steel is crucial for its toughness. Impurities like sulfur and phosphorus can cause brittleness, so refining and purification processes should be employed to reduce their presence. Moreover, surface treatment methods such as shot peening or surface hardening can be implemented. Shot peening involves bombarding the steel surface with small spherical particles to induce compressive stress, which helps in resisting crack propagation. Surface hardening techniques like carburizing or nitriding create a hardened layer on the surface, enhancing toughness. In conclusion, improving the toughness of special steel can be achieved through alloying, heat treatment, grain refinement, impurity control, and surface treatment. These techniques can be used individually or in combination to enhance the steel's properties and make it more resistant to cracking or fracturing.

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