Steel Rebar Dia 2mm -16mm Deformed Steel Bar

Steel Rebar Dia 2mm -16mm Deformed Steel Bar System 1

Steel Rebar Dia 2mm -16mm Deformed Steel Bar

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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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Steel Rebar Dia 2mm -16mm Deformed Steel Bar

Product Information:

Standard: ASTM, AISI, EN, DIN, JIS, GB

Diameter: 6mm-50mm

Length: 9m, 12m or as your requirement.

Technique: Hot rolled

standard	GB	HRB335 HRB400 HRB400E HRB500
	USA	ASTM A615 GR40,GR60
	UK	BS4449 GR460
Diameter in mm		6,8,10, 12, 14, 16, 18, 20, 22, 25, 28, 32,40
Payment Terms		T/T or L/C
Delivery Time		15 to 30 days
Usage		building and construction,
		residential building, office building, house, road, bridge, tunnel etc.

Product Overviews:

Product Name	Typical Grades	Diameter(mm)	Standard adopted
Carbon Steel	20 (1020/S20C/C22)	Ø16-Ø300	GB/SAE/JIS/DIN
	40 (1040/S40C/C40)
	45 (1045/S45C/C45)
Bearing Steel	GCr9 (51100/SUJ1)	Ø12-Ø250
	GCr15 (52100/SUJ2/100Gr6)
	GCr9SiMn (A485-Gr.1/SUJ3)
Cr-Mo Steel	20Cr (5120/SCr420H/20Cr4)	Ø12-Ø250
	40Cr (5140/SCr440/41Cr4)
	42CrMo(4140/SCM440/42CrMo4)
Gear Steel	20CrNiMo	Ø16-Ø600
	20CrMn(5115/SMnC420/20MnCr5)
	20CrNiMo(8620/SNCM220/20CrMiMo2)

Product Show:

Steel Rebar Dia 2mm -16mm Deformed Steel Bar

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· Shipment of goods -More than 70 countries worldwide.

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· Competitive price with best service.

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· High reputation based on best quality products.

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Q: What are the main factors affecting the creep resistance of special steel?: The creep resistance of special steel is determined by several factors, namely composition, microstructure, and processing conditions. The creep resistance is greatly affected by the composition of the steel. The presence of alloying elements like chromium, molybdenum, and vanadium can enhance creep resistance by forming stable precipitates or carbides that impede the movement of dislocations. These alloying elements also contribute to the formation of a protective oxide layer, which further improves resistance to creep. Microstructure is another crucial factor in determining creep resistance. Proper heat treatment or alloying can lead to the formation of fine-grained structures, which hinder dislocation movement and enhance material strength, thereby improving creep resistance. Grain boundaries also act as barriers to dislocation motion, reducing the rate of creep. Processing conditions, such as heat treatment and deformation processes, have a significant impact on creep resistance. The choice of heat treatment parameters, including temperature and cooling rate, can affect the precipitation of strengthening phases and the formation of an ideal microstructure. Appropriate deformation processing, such as hot or cold working, can refine the grain structure and enhance creep resistance. Temperature, stress, and time are additional factors that influence creep resistance. Higher temperatures accelerate creep deformation, while higher applied stresses increase the rate of creep. The duration of exposure to elevated temperatures and stresses also plays a role, as prolonged exposure can lead to creep failure. To summarize, the creep resistance of special steel is influenced by various factors, including composition, microstructure, processing conditions, temperature, stress, and time. By carefully considering and optimizing these factors, the creep resistance of special steel can be enhanced, making it suitable for applications that require high temperatures and long-term durability.

Q: How is mold steel used in injection molding?: Mold steel is used in injection molding as it possesses high toughness, wear resistance, and heat resistance properties. It is used to manufacture molds or dies that are used in injection molding machines to shape molten plastic into desired products. The mold steel is capable of withstanding the high pressure and temperature of the molten plastic, ensuring the production of precise and high-quality plastic components.

Q: How does special steel contribute to the defense machinery industry?: Special steel contributes to the defense machinery industry by providing superior strength, durability, and resistance to corrosion. This type of steel is specifically designed to meet the demanding requirements of military applications, ensuring that defense machinery can withstand harsh environments, extreme temperatures, and heavy use. By utilizing special steel, the defense industry can produce high-performance weapons, vehicles, and equipment that are essential for national security and defense capabilities.

Q: Can special steel be used in the recycling industry?: Yes, special steel can be used in the recycling industry. Special steel, also known as alloy steel, has specific properties that make it suitable for various applications. In the recycling industry, special steel can be recycled and processed to create new products, reducing the need for raw materials and conserving resources. Its durability, corrosion resistance, and high strength make it valuable in the recycling process, where it can be melted down and transformed into new steel products.

Q: What are the different methods of surface protection for special steel?: There are several different methods of surface protection for special steel, each offering unique benefits and suitable for specific applications. Some of the most common methods include: 1. Galvanization: This process involves coating the steel with a layer of zinc, which provides excellent corrosion resistance. Galvanization can be done through hot-dip galvanizing or electroplating, depending on the specific requirements. 2. Paint coating: Applying a paint coating to the surface of special steel helps to protect it from corrosion and environmental elements. The paint acts as a barrier between the steel and external factors, preventing rust and damage. 3. Powder coating: Powder coating involves applying a dry powder to the steel surface and then heating it to form a protective layer. This method provides excellent resistance to corrosion, chemicals, and abrasion, making it ideal for applications where the steel is exposed to harsh conditions. 4. Electroplating: Electroplating involves depositing a layer of metal onto the steel surface through an electrochemical process. This method enhances the steel's corrosion resistance and can provide additional benefits such as increased hardness or improved aesthetics. 5. Thermal spraying: This method involves melting or heating a material, such as zinc or aluminum, and spraying it onto the steel surface to form a protective coating. Thermal spraying provides excellent corrosion protection and can be used to repair damaged surfaces. 6. Ceramic coating: Ceramic coatings are highly resistant to corrosion, abrasion, and high temperatures. They are often used in applications where the steel is exposed to extreme conditions, such as in the aerospace or automotive industries. 7. Passivation: Passivation is a chemical process that removes free iron and other contaminants from the surface of stainless steel. This helps to improve the steel's corrosion resistance by forming a passive oxide layer. It is important to select the appropriate surface protection method based on the specific requirements of the steel and the application it will be used in. Factors such as the level of corrosion resistance needed, the environmental conditions, and the desired lifespan of the steel should all be considered when choosing a surface protection method.

Q: How long does special steel last compared to regular steel?: Special steel generally lasts longer than regular steel due to its unique composition and properties. Regular steel is made mostly of iron and carbon, whereas special steel is alloyed with other elements such as chromium, nickel, and molybdenum to enhance its strength, hardness, and corrosion resistance. The lifespan of special steel depends on various factors such as the specific type of steel, its usage conditions, and maintenance. However, in general, special steel can have a significantly longer lifespan compared to regular steel. It is more resistant to wear and tear, corrosion, and high temperatures, making it suitable for demanding applications and environments. For instance, in industries such as aerospace, automotive, and construction, special steel is widely used for critical components like engine parts, structural elements, and cutting tools. These components often experience high stress, friction, and exposure to harsh conditions. Special steel's superior properties enable it to withstand these challenges and maintain its performance over a longer period of time. Moreover, special steel is often subjected to rigorous testing and quality control measures during its manufacturing process. This ensures that it meets specific industry standards and can endure extreme conditions without significant degradation. Regular steel, on the other hand, may not possess the same level of durability or longevity. In summary, while the exact lifespan of special steel compared to regular steel can vary depending on various factors, special steel generally lasts longer due to its enhanced properties and resistance to wear, corrosion, and high temperatures.

Q: How does special steel compare to stainless steel?: Special steel and stainless steel differ in terms of their composition and properties. Special steel refers to a broad category of high-performance steels that possess unique characteristics, such as increased strength, toughness, heat resistance, or corrosion resistance. On the other hand, stainless steel is a specific type of steel alloy that is highly resistant to corrosion and staining. While special steel can exhibit superior mechanical properties, stainless steel excels in its resistance to rust and oxidation. Ultimately, the choice between the two depends on the specific application and the desired properties required.

Q: How does special steel resist thermal fatigue?: Due to its distinctive composition and properties, special steel possesses the ability to withstand thermal fatigue. When a material experiences repeated cycles of heating and cooling, cracks form and ultimately lead to material failure. Special steel, on the other hand, is specifically engineered to endure extreme temperature changes. It possesses a high melting point and exceptional thermal conductivity, enabling efficient heat dissipation and minimization of thermal stress. Furthermore, the steel is often alloyed with elements like chromium, nickel, and molybdenum, which augment its resistance to thermal fatigue. The alloying elements within special steel create a protective layer that acts as a barrier against oxidation and corrosion. This safeguard prevents crack formation and enhances the steel's capacity to withstand thermal cycling. Additionally, the alloying elements enhance the steel's structural integrity by encouraging the formation of finely dispersed and evenly distributed microstructures. This, in turn, amplifies the steel's toughness and crack resistance. Moreover, special steel undergoes various heat treatment processes to further enhance its resistance to thermal fatigue. These processes involve controlled cycles of heating and cooling, refining the steel's microstructure and rendering it more resistant to deformation and cracking. The heat treatment also aids in alleviating any residual stresses that may have been induced during the manufacturing process. In conclusion, special steel resists thermal fatigue due to its distinctive composition, alloying elements, and heat treatment processes. Its high melting point, exceptional thermal conductivity, and protective layer against oxidation and corrosion make it highly resilient to thermal cycling. The refined microstructure and alleviated residual stresses further strengthen its ability to endure repeated cycles of heating and cooling without experiencing failure.

Q: How does special steel contribute to the packaging industry?: Special steel contributes to the packaging industry by offering enhanced strength and durability to packaging materials and machinery. It helps in manufacturing high-quality packaging products with increased resistance to corrosion, impact, and wear, ensuring the protection and preservation of goods during transportation and storage. Additionally, special steel's versatility allows for the production of innovative packaging designs, enabling companies to create customized solutions that meet specific requirements and attract consumers.

Q: What are the different surface coatings available for special steel?: There are several different surface coatings available for special steel, including galvanized coatings, zinc coatings, powder coatings, epoxy coatings, and chrome coatings. These coatings provide various benefits such as corrosion resistance, improved durability, enhanced aesthetics, and increased lifespan of the steel. The choice of coating depends on the specific application and desired properties for the steel.

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