Q235 Steel Rebar ASTM GR60,BS GR460,SS400,Q235 Steel Rebar Reinforced Metal Rebar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 50000 m.t./month
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Specification
Type:
Carbon Steel
Shape:
Steel Round Bar
Q235 Steel Rebar ASTM GR60,BS GR460,SS400,Q235 Steel Rebar Reinforced Metal Rebar
Product Details:
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 |
Production capacity | 50,000 MT/month |
Payment term | T/T or 100% L/C at sight |
Package | By bundles. One bundles about 2-3tons |
Specification:
Diameter (mm) | Weight (kg/m) |
8 | 0.395 |
9 | 0.499 |
10 | 0.617 |
11 | 0.746 |
12 | 0.888 |
13 | 1.04 |
14 | 1.21 |
15 | 1.39 |
16 | 1.58 |
17 | 1.78 |
18 | 2 |
19 | 2.23 |
20 | 2.47 |
21 | 2.72 |
22 | 2.98 |
23 | 3.26 |
24 | 3.55 |
25 | 3.85 |
28 | 4.83 |
32 | 6.31 |
36 | 7.99 |
40 | 9.87 |
50 | 15.42 |
Advantage:
· ISO System
· SGS and BV Audited company .
· We offer competitive price with best service .
· Finished Product Inventory-More Than 50000 Tons.
· We have win high reputation based on best quality products.
· We have the most convenient transport and prompt delivery.
· We have high technical production line with top quality products.
Application:
Cold rolled steel ribbed bar is a practical construction steel materials. It is widely used as the fitting bar for various steel bar concrete structure engineering and making of various construction components. With its high strength and the fixing strength with concrete, its sufficient plastic property, it can enhance the technical and the quality of the engineering, reduce the cost of raw materials and the cost of engineering at the same time. The finished products can be round coil or straight sizes.
Product Show:
- Q: What are the factors that determine the cost of special steel?
- The factors that determine the cost of special steel include the cost of raw materials, production and manufacturing processes, market demand and supply dynamics, the complexity and uniqueness of the steel alloy, any additional treatments or coatings applied, and overall market conditions such as inflation and currency fluctuations.
- Q: What is the hardness range of special steel?
- The hardness range of special steel can vary depending on the specific alloy and heat treatment, but generally it falls between 50 and 70 on the Rockwell C hardness scale.
- Q: What are the main characteristics of electrical steel forgings?
- Electrical applications greatly benefit from the numerous advantageous features possessed by electrical steel forgings. Firstly, their low core loss property minimizes energy loss as heat during the magnetic cycle, making them exceptionally suitable for devices like transformers, motors, and generators. Consequently, the overall efficiency and performance of these devices are significantly enhanced. Secondly, electrical steel forgings exhibit high magnetic permeability, enabling them to conduct magnetic flux with ease. This attribute facilitates effective magnetic induction and maximizes the strength of the magnetic field in electrical components. As a result, energy conversion and transmission are efficiently achieved. Moreover, electrical steel forgings possess low coercivity, indicating that they require minimal magnetic field strength for magnetization and demagnetization. This characteristic results in quicker and more precise magnetic switching in electrical devices, leading to improved performance and reduced energy losses. Additionally, electrical steel forgings possess high electrical resistivity, which effectively restricts the flow of electrical current and diminishes energy losses due to eddy currents. This attribute is particularly vital in applications where electrical steel forgings are subjected to rapidly changing magnetic fields, such as in power transformers. Lastly, to further enhance their electrical performance and prevent short circuits or electrical leakage, electrical steel forgings are often treated with surface insulation coatings or coatings with high electrical resistivity. In conclusion, electrical steel forgings offer a range of essential characteristics including low core loss, high magnetic permeability, low coercivity, high electrical resistivity, and the ability to be coated for insulation. These properties make them indispensable in various electrical applications, ensuring efficient energy conversion, reduced losses, and reliable performance.
- Q: How does special steel perform in marine environments?
- Special steel is specifically designed to withstand the harsh conditions of marine environments. It offers superior corrosion resistance, high strength, and excellent durability, making it highly suitable for applications in marine settings. This type of steel can effectively resist the corrosive effects of saltwater, moisture, and other environmental factors, ensuring long-term performance and reducing maintenance requirements.
- Q: What are the different manufacturing processes used for special steel?
- There are several different manufacturing processes used for special steel, depending on the specific requirements and properties desired for the final product. Some of the commonly used manufacturing processes for special steel include: 1. Electric Arc Furnace (EAF): This process involves melting scrap metal in an electric arc furnace, where high electrical current passes through the electrodes to melt the metal. EAF is commonly used for producing stainless steel, tool steel, and alloy steel. 2. Basic Oxygen Furnace (BOF): BOF is a process where molten iron from a blast furnace is combined with scrap metal and oxygen is blown through the mixture to remove impurities. BOF is widely used for producing carbon and low-alloy steels. 3. Vacuum Degassing: This process is used to remove impurities like hydrogen, nitrogen, and sulfur from steel by subjecting it to a vacuum environment. Vacuum degassing is often employed for producing high-quality and ultra-clean special steels. 4. Continuous Casting: In this process, molten steel is poured into a water-cooled mold, where it solidifies into a continuous strand. Continuous casting helps to produce steel with a consistent shape, size, and internal structure, and is commonly used for semi-finished products like billets, slabs, and blooms. 5. Powder Metallurgy: This manufacturing process involves compacting metal powders into the desired shape and then sintering them at high temperatures to bond the particles together. Powder metallurgy is often used for producing special steels with specific properties, such as high strength, wear resistance, or corrosion resistance. 6. Heat Treatment: Heat treatment processes like annealing, quenching, and tempering are commonly employed to modify the microstructure and properties of special steels. These processes involve heating the steel to specific temperatures and then cooling it in a controlled manner to achieve desired hardness, toughness, and other mechanical properties. Each of these manufacturing processes has its own advantages and limitations, and the choice of process depends on factors such as the type of steel required, the desired properties, and the cost-effectiveness of the process for a particular application.
- Q: How is special steel used in the telecommunications industry?
- Special steel is used in the telecommunications industry to manufacture various components and infrastructure. It is primarily utilized in the production of transmission towers, antenna masts, and other supporting structures for telecommunication equipment. The high strength and durability of special steel make it suitable for withstanding extreme weather conditions and providing stability to the telecommunications network. Additionally, special steel is also used in the manufacturing of cables, connectors, and other smaller components that are crucial for efficient signal transmission and communication in the industry.
- Q: How does special steel contribute to the manufacturing of molds and dies?
- Special steel plays a crucial role in the manufacturing of molds and dies. Molds and dies are essential tools used in various industries, such as automotive, aerospace, and electronics, for shaping and forming materials into desired shapes and sizes. These tools need to be durable, resistant to wear and tear, and capable of withstanding high temperatures and pressures. Special steel, also known as tool steel, possesses unique properties that make it an ideal material for molds and dies. Firstly, it has a high hardness, which allows the tools to maintain their shape and surface integrity even when subjected to extensive use and repetitive impacts. This hardness also helps in achieving precision and accuracy in the final product. Additionally, special steel has excellent wear resistance, which is essential as molds and dies come into contact with various materials during the manufacturing process. The resistance to wear ensures that the tools have a longer lifespan, reducing the need for frequent replacements and minimizing production downtime. Moreover, special steel has good toughness, meaning it can absorb and withstand high impact forces without fracturing or breaking. This property is crucial in molds and dies as they often undergo significant stress during the manufacturing process, especially when dealing with materials that require high pressure or extreme temperatures. Special steel is also known for its high heat resistance, enabling molds and dies to withstand the elevated temperatures used in certain manufacturing processes, such as injection molding or metal forging. This heat resistance prevents the tools from warping or losing their shape, ensuring consistent and accurate production. Furthermore, special steel can be easily machined and shaped, allowing manufacturers to create complex and intricate designs for molds and dies. This versatility is vital as different industries require unique tool designs to meet their specific manufacturing needs. In conclusion, special steel is an essential material for the manufacturing of molds and dies due to its high hardness, wear resistance, toughness, heat resistance, and machinability. Its unique properties contribute to the durability, precision, and efficiency of molds and dies, ultimately enhancing the quality and productivity of various manufacturing processes.
- Q: What are the common alloys used in special steel?
- Some common alloys used in special steel include stainless steel (which contains chromium and often nickel), tool steel (which contains tungsten, vanadium, and sometimes cobalt), and high-speed steel (which contains tungsten, molybdenum, and sometimes cobalt).
- Q: How is special steel used in the automotive industry?
- Special steel is used in the automotive industry for various applications such as engine components, suspension systems, and safety features. Its unique properties, including high strength, durability, and heat resistance, make it ideal for manufacturing critical parts that require exceptional performance and reliability.
- Q: What are the different methods of improving the toughness of special steel?
- There are several methods that can be employed to improve the toughness of special steel. One common method is through the use of alloying elements. By adding certain elements such as nickel, chromium, or manganese to the steel composition, the toughness can be enhanced. These alloying elements help in increasing the strength and resistance to cracking or fracturing. Another technique is heat treatment. Different heat treatment processes like quenching and tempering can be applied to special steel to modify its microstructure and enhance its toughness. Quenching involves rapidly cooling the steel from a high temperature, which creates a hardened structure, while tempering involves reheating the quenched steel to a specific temperature and then slowly cooling it. Furthermore, the use of grain refinement techniques can also improve the toughness of special steel. By controlling the size and distribution of grains within the steel, it is possible to increase its resistance to fracture. Techniques like grain size control through recrystallization and severe plastic deformation can be utilized to refine the grain structure and improve toughness. Additionally, controlling the impurity content in the steel can contribute to its toughness. Impurities like sulfur and phosphorus can lead to brittleness, so minimizing their presence through refining and purification processes can enhance the steel's toughness. Moreover, surface treatment methods such as shot peening or surface hardening can be employed to improve the toughness of special steel. 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 can also be used to create a hardened layer on the surface, improving its toughness. In conclusion, the different methods of improving the toughness of special steel include alloying, heat treatment, grain refinement, impurity control, and surface treatment. These techniques can be combined or used individually to enhance the steel's properties and make it more resistant to cracking or fracturing.
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Q235 Steel Rebar ASTM GR60,BS GR460,SS400,Q235 Steel Rebar Reinforced Metal Rebar
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 50000 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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