Rebar Deformed Bar Steel Construction Steel Rebar

Rebar Deformed Bar Steel Construction Steel Rebar System 1

Rebar Deformed Bar Steel Construction Steel Rebar

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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 Introduction

1.Specification
Deformed steel bar		Diameter(mm)			Length (mm)
		6~50			3000~9000

		*Specification can be customized for sure.
2.Chemical Compositons
Grade	C	Si	Mn	P	S	CEQ
HRB335	0.25	0.8	1.6	0.045	0.045	0.52
HRB400	0.25	0.8	1.6	0.045	0.045	0.54
HRB500	0.25	0.8	1.6	0.045	0.045	0.55
3.Delivery Conditions
Hot forged +Rough machined (black surface after Q/T)+ Turned (optional)
4.Typical Applications
a.Construction of all types of concrete use
b.Bridge&Road&Building

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Rebar Deformed Bar Steel Construction Steel Rebar

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:What are the common grades of special steel?: The common grades of special steel include stainless steel grades such as 304, 316, and 430, as well as tool steel grades like D2, A2, and O1. Other common grades include high-speed steel (HSS), alloy steel grades like 4140 and 4340, and maraging steel grades such as 250 and 300.

Q:What are the different methods of improving the machinability of special steel?: There are several methods that can be employed to improve the machinability of special steel. These methods include: 1. Alloying: By introducing certain alloying elements, such as sulfur, selenium, lead, or bismuth, into the steel composition, the machinability can be enhanced. These elements act as lubricants during machining, reducing friction and cutting forces. 2. Heat treatment: Heat treatment processes like annealing, normalizing, or stress relieving can help improve the machinability of special steel. These processes refine the microstructure, reduce hardness, and increase ductility, making the material easier to machine. 3. Microstructural modifications: Modifying the microstructure of special steel through processes like grain refinement or controlled precipitation of carbides can enhance machinability. Fine-grained steels are generally easier to machine due to reduced cutting forces. 4. Surface coatings: Applying specialized coatings, such as titanium nitride (TiN) or diamond-like carbon (DLC), on the surface of special steel can reduce friction, improve tool life, and enhance chip flow during machining. 5. Tool selection and optimization: Choosing appropriate cutting tools with specific geometries, coatings, and cutting parameters can significantly improve machinability. Optimal tool selection ensures efficient chip evacuation, reduces heat generation, and minimizes tool wear. 6. Machining parameters optimization: Adjusting machining parameters like cutting speed, feed rate, and depth of cut can have a significant impact on machinability. Fine-tuning these parameters can help reduce tool wear, control chip formation, and achieve better surface finish. 7. Lubrication and cooling: Proper lubrication and cooling methods, such as using cutting fluids or coolants, can enhance machinability by reducing friction and heat generation during machining. This helps prolong tool life and minimize workpiece deformation. It is important to note that the specific method or combination of methods used to improve machinability will depend on the type of special steel and the desired machining outcome.

Q:What are the different quenching techniques used for special steel?: There are several different quenching techniques used for special steel, including oil quenching, water quenching, and air quenching. Oil quenching involves immersing the steel in oil to rapidly cool it and achieve the desired hardness. Water quenching is a more aggressive technique, where the steel is submerged in water to achieve even faster cooling and increased hardness. Air quenching, on the other hand, involves allowing the steel to cool in ambient air, resulting in a slower cooling rate and less hardness. Each technique has its own advantages and is chosen based on the specific requirements of the steel being quenched.

Q:What are the main applications of special steel in the power distribution industry?: Special steel is extensively used in the power distribution industry for various applications. Some of the main applications include manufacturing of transmission towers, electrical poles, and conductors. Special steel's high strength, durability, and corrosion resistance make it ideal for these critical components, ensuring reliable power transmission and distribution infrastructure. Additionally, special steel is used in the production of electrical transformers, switchgear components, and power generation equipment, further enhancing the efficiency and reliability of the power distribution systems.

Q:What are the different cutting techniques used for special steel?: Some of the different cutting techniques used for special steel include abrasive cutting, laser cutting, waterjet cutting, and flame cutting.

Q:Can special steel be used for medical applications?: Yes, special steel can be used for medical applications. Specialized types of stainless steel, such as AISI 316L or 316LVM, are commonly used in medical devices and implants due to their excellent corrosion resistance, biocompatibility, and strength. These steels are often used in surgical instruments, orthopedic implants, cardiovascular devices, and many other medical applications.

Q:What are the different passivation techniques used for special steel?: There are several passivation techniques used for special steel, including chemical passivation, electrochemical passivation, and mechanical passivation. Chemical passivation involves the use of acidic solutions to remove impurities from the steel's surface and create a passive oxide layer. Electrochemical passivation utilizes an electrical current to form the protective oxide layer on the steel's surface. Mechanical passivation involves processes such as shot blasting or grinding to remove contaminants and improve the surface quality of the steel. These techniques help enhance the corrosion resistance and overall performance of special steel.

Q:What is the role of special steel in the construction industry?: Special steel plays a crucial role in the construction industry as it provides enhanced strength, durability, and resistance to corrosion. It is commonly used in the construction of high-rise buildings, bridges, and infrastructure projects, where structural integrity is crucial. Special steel's unique properties enable it to withstand extreme conditions and heavy loads, ensuring the safety and longevity of construction projects. Additionally, its versatility allows for the fabrication of various components, such as beams, columns, and reinforcement bars, making it an indispensable material in the construction industry.

Q:What are the different types of special steel?: There are several different types of special steel, including stainless steel, tool steel, high-speed steel, alloy steel, and carbon steel. Each type has specific properties and characteristics that make it suitable for different applications and industries.

Q:How is special steel used in the production of injection molds?: Special steel is commonly used in the production of injection molds due to its high strength, durability, and resistance to wear and corrosion. These properties make it ideal for withstanding the high temperatures, pressures, and repetitive stresses involved in the injection molding process. Additionally, special steel's excellent heat conduction enables efficient cooling, resulting in faster production cycles and improved part quality. Overall, the use of special steel in injection molds ensures the production of high-quality, precise, and consistent plastic parts.

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