Round Bar Reinforcing Steel Bars Q195 Special Steel

Round Bar Reinforcing Steel Bars Q195 Special Steel

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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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Chemical composition of steel bar

Standard	C	Si	Mn	Cr	Ni	P/S ≤
DIN	≤0.15	≤1.0	≤2.0	18	9	0.03
GB	≤0.15	≤1.0	≤2.0	18	9	0.03

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Round Bar Reinforcing Steel Bars Q195 Special Steel

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

Main Product

Plastic Mould Steel

DIN 1.2311,1.2738,1.2083,1.2316 etc.

AISI P20,P20+Ni,420 etc.

JIS SUS420J2

Hot Work Steel

DIN 1.2344,1.2343,1.2367,1.2365,1.2581,1.2713 etc.

AISI H13,H11,H10,H21, etc.

JIS SKD61,SKD6,SKD5,SKT4 etc.

Cold Work Steel

DIN 1.2739, 1.2601, 1.2080, 1.2436, 1.2631, 1.263, 1.2510, 1.2327 etc.

AISI D2, D5, D3, D6, A8, A2, O1 etc.

JIS SKD10, SKD11, SKD1, SKS3 etc.

High Speed Steel

DIN 1.3343, 1.3243, 1.3247, 1.3355 etc.

AISI M2, M35, M42, T1 etc.

JIS SKH51, SKH35, SKH59, SKH2 etc.

Alloy Structural Steel

DIN 1.7035,1.6511,1.7220,1.7225 etc.

AISI 5140, 4340, 4135, 4140 etc.

JIS SCr440,SNCM439,SCM435,SCM440 etc.

Stainless & Carbon Steel or Others

DIN 1.4125,1.1191 etc

AISI 440C,1045, 1020 etc.

JIS SUS440C,S45C etc

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:How does special steel contribute to reducing product rejection rates?: Special steel contributes to reducing product rejection rates by offering superior quality and performance compared to regular steel. Its unique properties, such as increased strength, durability, and corrosion resistance, ensure that products made with special steel are more reliable and less prone to defects or failures. This, in turn, leads to a decrease in product rejection rates as it minimizes the likelihood of manufacturing errors, enhances product lifespan, and improves overall customer satisfaction.

Q:How does mold steel resist wear and erosion?: Mold steel resists wear and erosion due to its high hardness, toughness, and resistance to deformation. It has a fine microstructure that allows it to withstand the repetitive stresses and strains associated with molding processes. Additionally, certain alloying elements like chromium and molybdenum enhance its corrosion resistance, making it more durable against wear and erosion caused by environmental factors.

Q:What are the main applications of special steel in the oil and gas equipment?: Special steel is widely used in the oil and gas equipment industry due to its exceptional properties such as high strength, corrosion resistance, and heat resistance. It is primarily used in applications such as drilling rigs, pipelines, valves, pumps, and offshore platforms. Special steel ensures the durability and reliability of these equipment in harsh environments, thereby enhancing the overall efficiency and safety of oil and gas operations.

Q:How is corrosion-resistant alloy steel used in the production of chemical processing equipment?: Corrosion-resistant alloy steel is used in the production of chemical processing equipment due to its ability to withstand the harsh chemical environments and resist corrosion. It is commonly used to manufacture pipes, tanks, valves, and other components that come into contact with corrosive substances. This type of steel helps ensure the longevity and reliability of the equipment, preventing leaks, contamination, and costly repairs or replacements.

Q:What are the different surface modification techniques used for special steel?: There are several surface modification techniques used for special steel to enhance its properties and improve its performance in specific applications. Some of the common techniques include: 1. Nitriding: Nitriding is a surface hardening process that involves the diffusion of nitrogen into the steel surface. It forms a hard layer of nitrides, which significantly increases the surface hardness, wear resistance, and fatigue strength of the steel. 2. Carbonitriding: Carbonitriding is a similar process to nitriding, but it involves the diffusion of both carbon and nitrogen into the steel surface. This technique increases the surface hardness and also improves the wear resistance and fatigue strength of the steel. 3. Case hardening: Case hardening involves the addition of a hard, wear-resistant layer to the surface of the steel. This can be achieved through processes like carburizing or carbonitriding, where carbon is introduced into the surface layer, transforming it into a high-carbon martensitic layer. 4. Shot peening: Shot peening is a technique that involves bombarding the steel surface with small, high-velocity shots of media, such as steel, ceramic, or glass beads. This process induces compressive stresses on the surface, improving its fatigue strength and resistance to stress corrosion cracking. 5. Electroplating: Electroplating is a common technique used to apply a thin layer of metal coating onto the steel surface. This can be done with various metals like zinc, nickel, or chromium, providing protection against corrosion, improving aesthetics, and enhancing wear resistance. 6. Physical vapor deposition (PVD): PVD is a coating technique that involves depositing thin layers of material onto the steel surface through a vacuum process. This technique can be used to apply coatings like titanium nitride (TiN), which provides excellent wear resistance and reduces friction. 7. Laser surface modification: Laser surface modification techniques, such as laser hardening or laser alloying, use a high-energy laser beam to selectively heat and modify the steel surface. This process can improve hardness, wear resistance, and corrosion resistance. These surface modification techniques can be tailored to meet specific requirements, enhancing the properties of special steel for various applications in industries such as automotive, aerospace, and tooling.

Q:What industries commonly use special steel?: Special steel, known as alloy steel as well, finds extensive use in diverse industries owing to its exceptional properties and performance characteristics. Several industries frequently employ special steel, including: 1. Automotive Industry: Special steel is extensively utilized in manufacturing automobile components such as crankshafts, camshafts, gears, and axles. Its exceptional strength, durability, and excellent heat resistance make it suitable for enduring the demanding conditions of the automotive sector. 2. Aerospace Industry: The aerospace industry relies on special steel to manufacture critical components like turbine blades, landing gear, and structural parts. Its ability to withstand high temperatures and maintain structural integrity under extreme conditions is vital for aerospace applications. 3. Oil and Gas Industry: In the oil and gas sector, special steel is crucial for applications like drill bits, valves, pipelines, and offshore platform components. Its corrosion resistance, high strength, and ability to withstand extreme temperatures and pressures make it suitable for these challenging environments. 4. Construction Industry: Special steel serves the construction industry in fabricating structural components, reinforcement bars, and high-rise building frameworks. Its high tensile strength, toughness, and resistance to wear and tear ensure the safety and stability of the structures. 5. Tool and Die Industry: The tool and die sector widely employs special steel in manufacturing cutting tools, molds, dies, and various machine components. Its capability to retain sharpness, resist deformation, and withstand high pressures and temperatures make it indispensable for these applications. 6. Energy Industry: Power generation plants, including nuclear, thermal, and renewable energy facilities, extensively utilize special steel. It is employed in manufacturing turbines, boilers, heat exchangers, and other critical components, thanks to its high temperature and corrosion resistance properties. 7. Medical Industry: In the medical field, special steel plays a crucial role, particularly in surgical instruments and implants. Its biocompatibility, strength, and corrosion resistance make it suitable for applications like joint replacements, dental instruments, and surgical cutting tools. 8. Manufacturing Industry: Various manufacturing processes like machining, forging, and casting widely rely on special steel. It is employed in the production of machine tools, industrial equipment, and heavy machinery components due to its high strength, toughness, and versatility. These examples represent just a fraction of the industries that commonly employ special steel. Its unique properties make it an indispensable material for a wide range of applications where strength, durability, heat resistance, and corrosion resistance are critical factors.

Q:What are the different surface treatments used for special steel?: There are several surface treatments commonly used for special steel, including galvanization, nitriding, carburizing, and plating. Galvanization involves applying a protective zinc coating to prevent corrosion. Nitriding is a heat treatment process that enriches the surface of the steel with nitrogen, enhancing hardness and wear resistance. Carburizing involves introducing carbon into the steel's surface, creating a hardened layer. Plating, on the other hand, involves covering the steel with a thin layer of another metal, such as chrome or nickel, for improved aesthetics and corrosion resistance.

Q:What are the applications of special steel in the renewable energy sector?: The development and advancement of various renewable energy technologies heavily rely on special steel. Specifically, in the renewable energy sector, special steel is crucial for the manufacturing of wind turbines. Wind turbine components, including towers, generator frames, rotor hubs, and bearings, require high-strength and corrosion-resistant steel to withstand harsh operating conditions such as strong winds and exposure to moisture. The use of special steel ensures the longevity and reliability of wind turbines, thus promoting the growth of wind energy. Furthermore, special steel is extensively employed in the construction of solar power plants. Steel with excellent structural integrity, durability, and resistance to environmental degradation is necessary for solar panel frames, mounting structures, and support systems. Special steel provides these desired qualities, ensuring the stability and optimal performance of solar installations. In addition, special steel finds applications in the production of components for hydroelectric power plants. The construction of turbines, penstocks, and other hydraulic equipment requires steel with high tensile strength and resistance to corrosion caused by water and sediments. Special steel alloys possess these characteristics, making them ideal for hydroelectric power generation. Moreover, special steel is utilized in the manufacture of energy storage systems, such as batteries and fuel cells. These systems demand steel with outstanding conductivity, corrosion resistance, and mechanical strength to ensure efficient and reliable energy storage. Special steel alloys can meet these requirements, making them suitable for use in renewable energy storage technologies. In conclusion, special steel plays a vital role in the renewable energy sector by providing the necessary properties for the manufacturing of wind turbines, solar power plants, hydroelectric power plants, and energy storage systems. Its high-strength, corrosion-resistant, and durable characteristics enable the development of efficient and reliable renewable energy technologies, thereby contributing to the sustainable energy transition.

Q:How does special steel perform in extreme environments?: Special steel is specifically designed to perform exceptionally well in extreme environments. It has superior resistance to corrosion, high temperatures, and pressure, making it highly reliable and durable. This type of steel can withstand harsh conditions such as extreme cold, intense heat, and corrosive chemicals, ensuring optimal performance and longevity even in the most challenging environments.

Q:What are the different methods of protecting special steel against corrosion?: There exists a variety of techniques for safeguarding special steel from corrosion. Some commonly employed methods are as follows: 1. Application of Coatings: One of the most efficient approaches to prevent corrosion is to apply a protective coating onto the steel surface. This can be accomplished using diverse techniques like hot-dip galvanization, electroplating, or painting. The coatings act as a barrier, effectively preventing moisture and corrosive substances from coming into contact with the steel. 2. Utilization of Cathodic Protection: This method involves the use of either a sacrificial anode or an impressed current to shield the steel. In sacrificial anode cathodic protection, a more reactive metal is connected to the steel, thereby causing the sacrificial metal to corrode instead of the steel. Conversely, impressed current cathodic protection employs an external power source to provide a continuous flow of electrons, thus halting the corrosion process. 3. Alloying: The addition of specific elements to special steel can enhance its resistance against corrosion. For instance, stainless steel contains chromium, which forms a passive oxide layer on the surface, providing protection against corrosion. Likewise, the inclusion of elements like nickel, molybdenum, or copper can improve the steel's resistance to corrosion. 4. Passivation: Passivation is a chemical process that involves treating the steel with an acid solution to eliminate any impurities present on the surface. This process facilitates the formation of a protective oxide layer, thereby preventing further corrosion. 5. Use of VCI (Volatile Corrosion Inhibitors): VCI compounds are chemicals that emit vapors, forming a protective layer on the steel surface. This layer acts as a barrier, effectively safeguarding the steel against moisture and corrosive substances, thereby preventing corrosion. 6. Proper Maintenance and Cleaning: Regular maintenance and cleaning of the steel surface can significantly prolong its lifespan and prevent corrosion. By eliminating dirt, debris, and corrosive substances from the surface, the likelihood of corrosion is greatly reduced. It is essential to note that the selection of the appropriate method relies on various factors, such as the type of steel, the environmental conditions it will be exposed to, and the expected lifespan. Seeking guidance from corrosion experts or engineers can aid in determining the most suitable method for protecting special steel against corrosion.

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