Hot rolled Spring Steel Bar/billet/products JIS standard/Europe standard/ ASTM standard
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 1200 m.t./month
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Specifications
Spring steel flat bar
Garde: 60Si2Mn, 60Si2MnA, 55CrMnA,50CrVA
Standard GB,JIS,ASTM,DIN,AISI,BS
LF & VD forge;ISO&TUV appr
Materials
Q195,Q215,Q235B,Q345B,
S235JR/S235/S355JR/S355
SS440/SM400A/SM400B
Product Category
Metallurgy,Mineral &Energy
Technique
HOT ROLLED
Packing
1.Big OD:in bulk
2.Small OD:packed by steel strips
3.woven cloth with 7 slats
4.according to the requirements of customers
Usage
Mechanical&manufacture,Steel strcuture,
Shipbuilding,Bridging,Automobile chassis
Main market
Middle East,Africa, Asia and some Uropean country and America ,
Australia
Country of origin
China
Productivity
15000 Metric Tons pet Month
Remark
Payment terms :T/T ,L/C
Terms of trade :FOB ,CFR,CIF ,DDP,EXW
Minimum order : 10 tons
Lead time :on or before 3-15 working days .
- Q: How does special steel contribute to the impact resistance of products?
- Special steel contributes to the impact resistance of products by providing superior strength, toughness, and durability. Its unique composition and manufacturing processes enhance its ability to withstand high impact forces without deforming or breaking. This makes it a valuable material for applications where products need to withstand heavy loads, vibrations, or collisions, ensuring their longevity and reliability.
- Q: How does special steel perform in terms of electrical resistivity?
- Special steel typically has higher electrical resistivity compared to other types of steel. This means that it offers greater resistance to the flow of electric current, making it less conductive.
- Q: How is special steel used in the production of consumer goods?
- Special steel is used in the production of consumer goods primarily due to its enhanced properties such as strength, durability, and resistance to corrosion. It is commonly utilized in the manufacturing of various products like kitchen appliances, automobiles, power tools, and even jewelry. This type of steel allows for the creation of high-quality, long-lasting consumer goods that can withstand wear and tear, ensuring customer satisfaction and product longevity.
- Q: How is special steel used in the production of valves and fittings?
- Special steel is commonly used in the production of valves and fittings due to its high strength, corrosion resistance, and ability to withstand extreme temperatures and pressure conditions. It provides durability and reliability, ensuring the efficient functioning of valves and fittings in various industries such as oil and gas, petrochemical, and power generation. Additionally, special steel's malleability allows for intricate shaping and precision manufacturing, enabling the production of valves and fittings with complex designs and tight tolerances.
- Q: What are the different methods of testing the quality of special steel?
- There are several methods used to test the quality of special steel. 1. Chemical Analysis: This method involves analyzing the composition of the steel to ensure it meets the required chemical specifications. It helps determine the presence and quantity of various elements, such as carbon, manganese, chromium, nickel, and others, which are crucial for achieving specific mechanical properties. 2. Mechanical Testing: Mechanical testing is performed to evaluate the strength, hardness, ductility, and other mechanical properties of special steel. Common tests include tensile testing, which measures the steel's resistance to breaking under tension, and hardness testing, which determines its resistance to indentation or scratching. 3. Non-Destructive Testing (NDT): NDT methods are employed to assess the quality of steel without causing damage. Techniques such as ultrasonic testing, magnetic particle testing, and liquid penetrant testing are used to detect surface and internal defects, cracks, or discontinuities that may affect the steel's integrity. 4. Microscopic Examination: Microscopy is used to examine the microstructure of special steel, allowing for the evaluation of grain size, inclusions, and other structural features. This analysis can provide insights into the steel's properties and potential defects. 5. Corrosion Testing: Special steel often needs to resist corrosion in harsh environments. Various corrosion tests, such as salt spray testing, electrochemical methods, and exposure to corrosive substances, are conducted to assess the steel's resistance to corrosion and determine its suitability for specific applications. 6. Impact Testing: This method involves subjecting the steel to a high-energy impact to assess its toughness and resistance to sudden loading. It helps determine if the steel can withstand sudden shocks or impacts without fracturing. 7. Heat Treatment Analysis: Special steel often undergoes heat treatment processes to enhance its properties. Heat treatment analysis involves examining the microstructure and hardness of the steel after the treatment to ensure it has achieved the desired properties. Overall, the combination of these testing methods helps ensure that special steel meets the required quality standards, ensuring its suitability for various applications, such as construction, automotive, aerospace, and industrial equipment.
- Q: What are the applications of special steel in the automotive manufacturing process?
- Special steel has several applications in the automotive manufacturing process. It is commonly used in the production of engine components, such as crankshafts, camshafts, and connecting rods, due to its high strength and resistance to wear and tear. Special steel is also utilized in the manufacturing of suspension components, such as springs and shock absorbers, as it provides the necessary durability and resilience to withstand the constant stresses and strains of the vehicle's operation. Additionally, special steel is employed in the production of safety features, including seat belt pretensioners and airbag components, as it offers the required toughness and impact resistance. Overall, special steel plays a vital role in enhancing the performance, safety, and longevity of automotive vehicles.
- Q: How is leaded steel used in machining operations?
- Leaded steel is commonly used in machining operations as it improves the machinability of the steel by reducing friction and cutting forces. The addition of lead in the steel composition allows for smoother and more efficient cutting, resulting in better surface finish and dimensional accuracy of machined parts.
- Q: What are the different methods of coating special steel?
- Enhancing the performance and safeguarding special steel from corrosion or damage can be achieved through various coating methods. Some commonly used techniques include: 1. Galvanization: A layer of zinc is applied to the steel, either through hot-dip galvanization or electroplating. This zinc layer offers exceptional corrosion resistance and acts as a sacrificial anode, preventing rusting. 2. Powder coating: An electrostatically applied dry powder is cured under heat, creating a protective layer that not only provides resistance to chipping, scratching, and corrosion but also adds an appealing finish. 3. Electroplating: The steel is immersed in a solution containing metal ions like chromium or nickel, and an electric current is passed through it. This process deposits the metal ions onto the steel surface, forming a thin protective layer that enhances corrosion resistance and gives a decorative appearance. 4. Cladding: A layer of corrosion-resistant material, such as stainless steel or titanium, is bonded to the surface of the special steel. Cladding offers improved resistance to corrosion, wear, and heat while maintaining the base steel's strength and mechanical properties. 5. Thermal spraying: Coating material like zinc or aluminum is heated to a molten or semi-molten state and then sprayed onto the steel surface using compressed air or a similar method. The sprayed material forms a protective layer that delivers excellent corrosion resistance and can also provide functional properties like thermal insulation or electrical conductivity. 6. Chemical conversion coating: The steel surface is treated with a chemical solution that reacts with the surface to create a thin layer of protective compound like phosphate or chromate. This conversion coating enhances corrosion resistance and promotes the adhesion of subsequent coatings. These are just a few examples of the numerous coating methods available for special steel. The selection of the most suitable method depends on factors like desired properties, intended application, and budget constraints. It is crucial to choose the appropriate coating method to ensure the longevity and performance of the special steel.
- Q: What are the different corrosion testing methods used for special steel?
- There are several corrosion testing methods used for special steel, including salt spray testing, electrochemical testing, immersion testing, and accelerated corrosion testing. These methods help to assess the corrosion resistance and durability of special steel in different environments and conditions.
- Q: How does hot rolling affect the microstructure of special steel?
- Hot rolling is a metalworking process that involves heating the steel above its recrystallization temperature and then passing it through a series of rollers to reduce its thickness. This process has a significant impact on the microstructure of special steel. During hot rolling, the high temperature causes the grains in the steel to recrystallize, removing any existing defects and creating a more uniform and refined grain structure. This recrystallization process results in smaller and more equiaxed grains, which enhances the mechanical properties of the steel. Additionally, hot rolling promotes the formation of certain microstructural features such as dislocation cells and subgrains. These features help to increase the strength and toughness of the steel, making it suitable for various applications that require high performance and durability. Moreover, hot rolling can also lead to the precipitation of certain alloying elements within the steel. These precipitates can play a crucial role in enhancing specific properties of the steel, such as corrosion resistance or high-temperature strength. Overall, hot rolling has a profound influence on the microstructure of special steel. It refines the grain structure, promotes the formation of beneficial microstructural features, and facilitates the precipitation of alloying elements. These microstructural changes contribute to the improved mechanical properties and performance of the steel, making it a preferred choice in industries such as automotive, aerospace, and construction.
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Hot rolled Spring Steel Bar/billet/products JIS standard/Europe standard/ ASTM standard
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 1200 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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