8-650mm CK45 Steel Bar / 1045 Round Steel / S45C Steel Rod

8-650mm CK45 Steel Bar / 1045 Round Steel / S45C Steel Rod

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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The details of our Steel

1. Produce Standard: as the GB, AISI, ASTM, SAE, EN, BS, DIN, JIS Industry Standard

2. Produce processes: Smelt Iron -EAF smelt Billet - ESR smelt Billet -Hot rolled or forged get the steel round bar and plate

3. Heat treatment:

Normalized / Annealed / Quenched+Tempered

4. Quality assurance:

All order we can received Third party inspection, You can let SGS, BV,.. and others test company test and inspect our products before Goods shipping.

Product information

Chemical Composition(%) of S45C steel rod	C	Si	Mn	S	P	Cr
	0.43-0.50	0.17-0.37	0.60-0.90	≤0.04	≤0.04	≥0.30
Specification of S45C steel rod	Diameter(mm)				Length(mm)
	8-650				500-5800
Material of S45C steel rod	A36,SS400,SPCC,SPHC, Q195, Q235,Q345
Application of S45C steel rod	(1)Automotive suspension springs (2) Rotary tools and Blades
Payment Term of S45C steel rod	L/C or T/T, 30% in advance, 70% before the shipment

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8-650mm CK45 Steel Bar / 1045 Round Steel / S45C Steel Rod

Q: How is special steel different from regular steel?: Special steel is different from regular steel due to its unique composition and properties. Unlike regular steel, special steel is specifically designed to possess enhanced characteristics such as increased strength, durability, corrosion resistance, and heat resistance. Special steel is often alloyed with various elements like chromium, nickel, molybdenum, or vanadium to achieve these improved qualities, making it suitable for specific applications that require superior performance under challenging conditions.

Q: What are the different methods of surface finishing for special steel?: Special steel can be finished using various methods, each with its own advantages and the ability to meet specific aesthetic or functional needs. Some commonly utilized techniques include: 1. Electroplating: Through an electrochemical reaction, a layer of metal is deposited onto the surface of the special steel. This process enhances corrosion resistance, improves appearance, and can increase hardness or wear resistance. 2. Passivation: A chemical treatment is employed to eliminate surface contaminants and form a thin oxide layer on the special steel. This treatment enhances corrosion resistance by preventing rust or other oxidation products from forming. 3. Polishing: Utilizing abrasive materials, a mechanical process is employed to remove a thin layer of the steel surface, resulting in a smooth and glossy finish. This method is often used to enhance the appearance of special steel products or achieve a desired level of reflectivity. 4. Shot blasting: Tiny metal beads or shots are propelled at high speeds onto the surface of the special steel. This technique removes scale, rust, or other surface contaminants, resulting in a clean and textured finish. Shot blasting is commonly employed to prepare the steel for subsequent coating or painting applications. 5. Physical vapor deposition (PVD): A vacuum-based coating process is used to deposit a thin layer of material onto the special steel surface. This method offers excellent adhesion, wear resistance, and the ability to provide various colors or finishes to enhance the steel's aesthetics. 6. Powder coating: Dry powder is applied onto the special steel surface and then cured under heat to form a protective and decorative layer. This method offers excellent corrosion resistance, durability, and a wide range of color options. 7. Anodizing: An electrolytic process is employed to create a controlled oxide layer on the surface of specific special steel alloys. This process increases corrosion resistance, improves appearance, and can enhance hardness or wear resistance. These methods are just a selection of the numerous options available for surface finishing special steel. The choice of method will depend on factors such as the desired finish, functional requirements, and the specific properties of the steel being used.

Q: What is the difference between general steel and special steel?: Special steel: it is an important symbol to measure whether a country can become a steel power. It is the main steel used in most industries such as machinery, automobile, military industry, chemical industry, household electrical appliance, shipping, traffic, railway and new industries. China's special steel industry is responsible for the special steel products needed by the key industries such as defense industry, high and new technology industry and machinery and automobile industry. China manufacturing growth to provide a space for the development of domestic special steel, sustained and rapid development of manufacturing industry, especially in machinery, automobile, machinery, shipbuilding and other industries, the strong demand of special steel, become the direct impetus to support excellent steel market.

Q: What are the different surface treatment methods for special steel?: Some of the different surface treatment methods for special steel include heat treatment, plating, coating, and nitriding. Heat treatment involves heating and cooling the steel to improve its hardness, strength, and ductility. Plating involves applying a thin layer of metal, such as zinc or chrome, to enhance corrosion resistance. Coating methods like painting or powder coating provide a protective layer and can improve aesthetics. Nitriding involves introducing nitrogen to the steel's surface to increase hardness and wear resistance.

Q: How is wear-resistant tool steel used in the production of cutting tools?: Wear-resistant tool steel is commonly used in the production of cutting tools due to its high hardness and resistance to wear. This steel is able to withstand the abrasive forces and high temperatures generated during cutting operations, resulting in longer tool life and improved cutting performance. The wear-resistant tool steel is typically used to manufacture various cutting tools such as drills, milling cutters, saw blades, and lathe tools, ensuring durability and efficiency in metalworking and machining processes.

Q: What are the main factors affecting the heat resistance of special steel?: The main factors affecting the heat resistance of special steel include its alloy composition, microstructure, and heat treatment. Alloy composition plays a crucial role in determining the heat resistance of special steel. The addition of specific elements such as chromium, nickel, molybdenum, and tungsten can enhance the steel's ability to withstand high temperatures. These alloying elements form stable oxide layers on the surface of the steel, which act as a barrier against oxidation and corrosion at elevated temperatures. The microstructure of special steel also influences its heat resistance. The steel's grain size, distribution of phases, and the presence of precipitates can affect its thermal stability. Fine-grained structures and a homogeneous distribution of phases help improve the steel's resistance to creep, which is the deformation that occurs under prolonged exposure to high temperatures. Additionally, the presence of precipitates, such as carbides or intermetallic compounds, can provide strengthening mechanisms that enhance the steel's resistance to thermal softening. Heat treatment processes, such as quenching and tempering, can significantly impact the heat resistance of special steel. Proper heat treatment can optimize the microstructure and enhance the steel's mechanical properties, including its resistance to thermal degradation. For instance, a well-controlled quenching process can promote the formation of a martensitic structure, which increases the steel's hardness and strength at high temperatures. Other factors that can affect the heat resistance of special steel include the presence of impurities, surface conditions, and environmental factors. Impurities, such as sulfur and phosphorus, can reduce the steel's resistance to high temperatures by promoting the formation of brittle phases or facilitating oxidation. Surface conditions, such as roughness or the presence of cracks, can lead to localized heating and accelerated degradation. Environmental factors, such as the presence of corrosive gases or high humidity, can also influence the steel's heat resistance by promoting oxidation or corrosion processes. In summary, the heat resistance of special steel is influenced by its alloy composition, microstructure, heat treatment, impurities, surface conditions, and environmental factors. Understanding and optimizing these factors are crucial for developing special steel with superior heat resistance for various industrial applications.

Q: What are the factors that affect the mechanical properties of special steel?: The mechanical properties of special steel are affected by several factors. Some of the key factors include the chemical composition of the steel, the heat treatment process, the presence of impurities or alloying elements, the microstructure of the steel, and the manufacturing process used. These factors can greatly influence the steel's strength, hardness, toughness, ductility, and corrosion resistance.

Q: How does special steel resist oxidation?: Special steel is known for its excellent resistance to oxidation. This is primarily due to the presence of elements such as chromium, nickel, and manganese in its composition. These elements form a protective layer on the surface of the steel, known as a passive film, which acts as a barrier against oxygen and moisture. Chromium is the key element responsible for the oxidation resistance of special steel. It reacts with oxygen in the atmosphere to form a thin layer of chromium oxide on the surface of the steel. This oxide layer is highly stable and prevents further oxidation of the underlying metal. It acts as a shield, preventing the diffusion of oxygen and moisture into the steel, which could lead to corrosion or rusting. Additionally, nickel and manganese also contribute to the oxidation resistance of special steel. They help stabilize the passive film formed by chromium oxide and enhance its protective properties. These elements also increase the steel's ability to withstand high temperatures and corrosive environments. Moreover, the composition and processing techniques used in the production of special steel play a crucial role in its oxidation resistance. The steel is often subjected to heat treatment processes, such as annealing or quenching, which further enhance its corrosion resistance properties. The careful control of alloying elements and precise heat treatment procedures ensure the formation of a robust and durable passive film. In conclusion, special steel resists oxidation primarily due to the presence of chromium, nickel, and manganese, which form a protective layer on its surface. This passive film acts as a barrier against oxygen and moisture, preventing corrosion and rusting. The composition and processing techniques employed during production also contribute to the exceptional oxidation resistance of special steel.

Q: Can special steel be used in the marine industry?: Yes, special steel can be used in the marine industry. Special steel alloys, such as stainless steel or corrosion-resistant steel, are frequently used in the marine industry due to their high strength, durability, and resistance to corrosion from saltwater. These specific steel types are essential for various marine applications, including shipbuilding, offshore structures, and marine equipment, as they can withstand the harsh conditions and corrosive environment of seawater.

Q: How does special steel contribute to the power generation sector?: Special steel plays a crucial role in the power generation sector by offering various benefits and contributing to the overall efficiency and reliability of power generation equipment. One of the primary ways special steel contributes is through its superior strength and durability. Power generation involves highly demanding and extreme conditions, including high temperatures, pressure, and corrosive environments. Special steel is specially designed to withstand these harsh conditions and maintain its structural integrity, ensuring the long-term reliability and safety of power generation equipment. Special steel is used in various components of power generation equipment, such as turbines, boilers, and generators. In gas turbines, for example, special steel is utilized for the construction of turbine blades and vanes, which are subjected to immense heat and rotational forces. The high-temperature resistance and strength of special steel allow these components to operate at elevated temperatures without deformation or failure, thereby increasing the efficiency and performance of gas turbines. Moreover, special steel offers excellent corrosion resistance, making it suitable for use in power plants that utilize water-based cooling systems. These cooling systems often employ seawater or chemically treated water, which can be highly corrosive. By using special steel in critical components like condensers and heat exchangers, the power generation sector can significantly reduce maintenance and replacement costs associated with corrosion-related issues. Additionally, special steel is crucial in the construction of nuclear power plants. It is used in the fabrication of reactor pressure vessels, steam generators, and fuel assemblies. The radiation resistance and high strength of special steel ensure the safety and reliability of these components in nuclear power plants, thereby contributing to the overall efficiency and sustainability of the power generation sector. In summary, special steel's superior strength, high-temperature resistance, corrosion resistance, and radiation resistance make it an indispensable material in the power generation sector. It enhances the efficiency, reliability, and safety of power generation equipment, ultimately contributing to the overall growth and sustainability of the power generation industry.

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