Spring Steel Round Bar Hot Rolled System 1

Spring Steel Round Bar Hot Rolled System 2

Spring Steel Round Bar Hot Rolled

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Loading Port:: China Main Port

Payment Terms:: TT or LC

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Product Description:

OKorder is offering Spring Steel at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

Product Applications:

For manufacturing all kinds of flat spring or round spring with small sections, clockwork spring,

Product Advantages:

OKorder's Spring Steel are durable, strong, and resist corrosion.

Main Product Features:

· Premium quality

· Prompt delivery & seaworthy packing (30 days after receiving deposit)

· Corrosion resistance

· Can be recycled and reused

· Mill test certification

· Professional Service

· Competitive pricing

Product Specifications:

-Material: 70Si2CrA

-Production: Hot rolled or cold rolled

-Standard: GB/T·5218-1999

-Type: Spring Steel

-Alloy or no: Alloy

Chemical Composition:

C	Mn	Si	Cr
0.65~0.75	0.40~0.60	1.40~1.70	0.20~0.40
S	P	Ni
≤0.030	≤0.030	≤0.030

FAQ:

Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

Q2: How do we guarantee the quality of our products?

A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q3: How soon can we receive the product after purchase?

A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.

Images:

Spring Steel Round Bar Hot Rolled

Q:What are the common challenges in casting special steel?: The casting of special steel comes with various challenges due to its unique properties and composition. Some common challenges associated with casting special steel include the following: 1. High melting point: Special steels often possess higher melting points compared to regular carbon steels. This necessitates the utilization of specialized equipment and techniques to achieve the required casting temperature. 2. Alloying elements: Special steels frequently contain alloying elements like chromium, nickel, molybdenum, or vanadium. These elements enhance the properties of the steel but can also complicate the casting process. Proper control and understanding of these alloying elements are crucial to ensure the desired mechanical properties in the final product. 3. Oxidation and decarburization: During the casting process, special steel is susceptible to oxidation and decarburization. The exposure to oxygen and high temperatures can lead to surface defects and carbon loss, which can compromise the strength and hardness of the steel. Precise control of casting parameters, such as atmosphere and mold design, is necessary to minimize these issues. 4. Shrinkage and porosity: Special steels often exhibit a higher shrinkage rate during solidification compared to regular steels. This can result in shrinkage defects and porosity within the castings. Appropriate gating and riser design, along with the use of suitable feeding systems, are critical to mitigating these issues and ensuring sound castings. 5. Thermal stresses: Special steels may display higher thermal expansion coefficients, leading to significant thermal stresses during cooling and solidification. These stresses can cause cracking and distortion in the castings. Proper design considerations, such as the use of chills or controlled cooling techniques, are essential to minimize thermal stress and maintain dimensional stability. 6. Machinability: Special steels, especially those with high alloy content, can be challenging to machine due to their hardness and toughness. Casting defects like inclusions, segregations, or non-uniform microstructure can further complicate the machining process. Appropriate selection of cutting tools and machining parameters is necessary to achieve the desired dimensional accuracy and surface finish. In conclusion, casting special steel presents a range of challenges related to high melting points, alloying elements, oxidation, shrinkage, porosity, thermal stresses, and machinability. Overcoming these challenges requires a comprehensive understanding of material properties, precise process control, and the implementation of suitable casting techniques.

Q:What are the main factors affecting the tensile strength of special steel?: The tensile strength of special steel is influenced by several factors. Firstly, the chemical composition of the steel plays a crucial role in determining its tensile strength. Elements such as carbon, manganese, silicon, and alloying elements like chromium, nickel, and molybdenum can significantly enhance the tensile strength of steel. These elements form solid solutions, carbides, and intermetallic compounds, which contribute to the material's ability to resist deformation under tensile loads. Secondly, the heat treatment processes applied to special steel have a profound impact on its tensile strength. Steel can be subjected to various heat treatment methods such as quenching and tempering, annealing, or precipitation hardening to achieve desired mechanical properties. These processes alter the microstructure of the steel, allowing for the formation of specific phases and grain structures that enhance its tensile strength. Additionally, the mechanical working or deformation processes that the steel undergoes can affect its tensile strength. Techniques such as rolling, forging, or extrusion can refine the grain structure and induce dislocations within the material, which can lead to an increase in tensile strength. The presence of impurities and defects within the steel can also impact its tensile strength. Inclusions, voids, or cracks can act as stress concentration points, reducing the material's overall strength. Therefore, proper quality control measures during the manufacturing process are essential to minimize these defects and ensure high tensile strength. Furthermore, the temperature at which the steel is exposed can affect its tensile strength. Special steel typically exhibits a decrease in tensile strength as temperature increases due to thermal expansion and the loss of material strength. Understanding the temperature range in which the steel will be used is crucial in selecting the appropriate grade with the desired tensile strength. In conclusion, the tensile strength of special steel is influenced by various factors including chemical composition, heat treatment, mechanical working, impurities, defects, and temperature. Considering these factors and optimizing them appropriately during the manufacturing process can result in special steel with exceptional tensile strength properties.

Q:Can special steel be used in the wood manufacturing industry?: Yes, special steel can be used in the wood manufacturing industry. Special steel, such as high-speed steel or tool steel, can be utilized in the production of cutting tools, saw blades, or other machinery components used in wood processing. These types of steel offer enhanced durability, hardness, and resistance to wear, making them suitable for various wood manufacturing applications.

Q:How does special steel perform in extreme environments?: Special steel is specifically designed to perform exceptionally well in extreme environments. It exhibits high resistance to corrosion, oxidation, and temperature variations, making it suitable for applications in harsh conditions such as marine, aerospace, and power industries. Additionally, special steel offers superior strength, toughness, and durability, enabling it to withstand extreme pressures, impacts, and environmental stressors without compromising its performance.

Q:What are the properties of tungsten alloys?: Tungsten alloys possess several notable properties, including exceptional hardness, high melting point, excellent corrosion resistance, and remarkable density. These alloys are also known for their exceptional strength, resistance to wear, and ability to retain their shape even under extreme temperatures. Furthermore, tungsten alloys exhibit good electrical and thermal conductivity, making them suitable for various applications in industries such as aerospace, automotive, and defense.

Q:How does special steel perform in terms of thermal conductivity?: Special steel typically has lower thermal conductivity compared to other materials like aluminum or copper. This means that it is not as efficient in conducting heat, but it can still be used in applications where high temperatures need to be controlled or insulated, such as in industrial furnaces or high-temperature equipment.

Q:What are the different welding techniques used for special steel?: There are several welding techniques used for special steel, including Tungsten Inert Gas (TIG) welding, Metal Inert Gas (MIG) welding, Shielded Metal Arc Welding (SMAW), and Flux-Cored Arc Welding (FCAW). Each technique has its own advantages and disadvantages, and the choice of technique depends on factors such as the type of special steel, the thickness of the material, and the desired outcome of the welding process. TIG welding is commonly used for high-quality welds on thin materials, while MIG welding is suitable for thicker materials and higher production rates. SMAW is a versatile technique, suitable for various steel types and thicknesses, and FCAW is often used for outdoor applications and on thick materials.

Q:How does special steel contribute to reducing product defects?: Special steel contributes to reducing product defects by offering enhanced properties such as increased strength, durability, and corrosion resistance. These properties ensure that the steel components used in various products, especially in critical applications, are less prone to wear, breakage, or malfunction. By using special steel, manufacturers can create more reliable and high-quality products, which ultimately leads to a reduction in defects and improves overall product performance.

Q:Can special steel be used in the production of cutting tools?: Yes, special steel can be used in the production of cutting tools.

Q:Can special steel be used in the pharmaceutical manufacturing industry?: Yes, special steel can be used in the pharmaceutical manufacturing industry. Special steel, such as stainless steel, offers excellent corrosion resistance, durability, and cleanability, making it suitable for various applications in pharmaceutical manufacturing, including equipment and machinery used in production, storage, and transportation of pharmaceutical products. Special steel's properties ensure compliance with strict hygiene and quality standards in the industry.

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