Spring Steel
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100Tons m.t.
- Supply Capability:
- 500Tons Per Day m.t./month
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Spring Steel can be divided into two types. One is carbon spring steel, and other one is alloy spring steel.
Alloy spring steel is based on carbon spring steel, by adding one or more alloying elements to improve the mechanical properties, hardenability and other properties to meet the requirement for manufacturing all kinds of spring steel.
Specification of Spring Steel:
-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 |
Mechanical Properties:
-Annealing Condition:
1, Tensile Strength: σb/MPa:≤835
2, Elongation: δ/%:≥8
-Quencher condition:
1, Tensile strength: σb/MPa:785~1175
2, Elongation: -
Usage/Applications of Spring Steel:
For manufacturing all kinds of flat spring or round spring with small sections, clockwork spring,
Packaging & Delivery of Spring Steel:
-Packing Detail: The products can be packed in bundles by steel wires.
-Marks:
1, Tag marks: the tag marks will be tied up to each bundle of the products. The information is usually including supplier’s logo and name, product name, made in China, products’ specifications, the painted color and other information requested by customers.
2, Color marks: we will paint both ends of the bundles of these products to make sure that they are more evident. It’s will be more convenient for the customers to distinguish them at the destination port.
-Delivery Detail:
1, Delivery time: 30~45 working days after receive buyer’s T.T. or L/C.
2, Delivery status should be written in the contract. (Heat treatment or no)
Payment:
-Invoicing on theoretical weight or actual weight as customer’s request.
-FOB, CFR or CIF.
-Regular terms of payment:
1, 30% payment in advance, the remaining balance (70% payment) against the copy of B/L. 100% payment before shipment.
2, 30% payment in advance, the remaining balance (70% L/C) against the copy of B/L. 100% payment before shipment.
3, Negotiable.
Photos of Spring Steel:
- Q: What are the main applications of special steel in the defense electronics?
- Special steel is extensively used in defense electronics for various applications. It is primarily used for manufacturing components that require high strength, superior corrosion resistance, and excellent electromagnetic shielding properties. Special steel is crucial for producing military-grade electronic enclosures, connectors, and circuit boards, ensuring the protection and reliability of sensitive electronic equipment in harsh environments. Additionally, it is utilized in the production of radar systems, missile guidance systems, and communication equipment, where its exceptional thermal stability, durability, and electromagnetic compatibility play a vital role in enhancing the performance and effectiveness of defense electronics.
- Q: What are the main factors affecting the cost of special steel?
- The main factors affecting the cost of special steel include the cost of raw materials, such as iron ore and alloying elements, production and manufacturing costs, market demand and competition, transportation and logistics expenses, and global economic factors such as currency exchange rates and trade policies. Additionally, the complexity and uniqueness of the steel's composition and processing requirements can also impact its cost.
- Q: What are the specific requirements for special steel used in the mining industry?
- Special steel used in the mining industry must possess high strength, durability, and resistance to extreme conditions such as abrasion, impact, and corrosion. It should have excellent toughness and hardness to withstand the harsh environments encountered in mining operations. Additionally, the steel should be able to maintain its mechanical properties even at elevated temperatures and be capable of withstanding heavy loads and intense vibrations.
- Q: How does special steel contribute to the construction aftermarket industry?
- Special steel plays a crucial role in the construction aftermarket industry by offering a wide range of benefits and applications. Firstly, special steel possesses exceptional strength and durability, making it an ideal material for constructing various infrastructure elements such as bridges, buildings, and roads. Its high tensile strength allows for greater load-bearing capacity, increasing the overall safety and longevity of structures. Additionally, special steel is known for its resistance to corrosion and extreme weather conditions, which is particularly important in construction projects. By using special steel, construction companies can ensure that their structures are better equipped to withstand harsh environments, reducing the need for frequent repairs and replacements. Moreover, special steel provides versatility in terms of fabrication and design. It can be easily molded and shaped into different forms, allowing architects and engineers to create innovative and aesthetically pleasing structures. This flexibility enables the construction aftermarket industry to meet various design requirements while maintaining structural integrity. Furthermore, special steel offers cost-effectiveness in the long run. Although the initial investment in special steel may be higher than other materials, its durability and low maintenance requirements result in reduced lifecycle costs. This makes it a cost-efficient choice for construction projects, as it minimizes ongoing expenses related to repairs and replacements. Lastly, special steel contributes to sustainability in the construction industry. Due to its strength and durability, structures built with special steel have a longer lifespan, reducing the need for frequent demolitions and rebuilds. Additionally, special steel is highly recyclable, allowing for a more sustainable approach to construction by minimizing waste and conserving resources. In conclusion, special steel plays a significant role in the construction aftermarket industry by providing superior strength, durability, resistance, versatility, cost-effectiveness, and sustainability. Its unique properties contribute to safer, longer-lasting, and more aesthetically pleasing structures, making it an essential material for construction projects.
- Q: What are the environmental considerations of using special steel?
- There are several environmental considerations associated with the use of special steel. Firstly, the production of special steel involves the extraction and processing of raw materials, which can have significant environmental impacts. The mining of iron ore and other minerals required for steel production often results in habitat destruction, soil erosion, and water pollution. Additionally, the energy-intensive processes used to convert raw materials into steel emit large amounts of greenhouse gases, contributing to climate change. Furthermore, the disposal of special steel products at the end of their life cycle can also pose environmental challenges. Steel is a non-renewable resource, and its disposal in landfills can contribute to waste accumulation and resource depletion. However, steel is highly recyclable, and recycling steel products can significantly reduce the environmental impact associated with their disposal. In terms of transportation, special steel is often heavy and bulky, which leads to higher fuel consumption during transportation. This can contribute to air pollution and carbon emissions, particularly if long-distance shipping is involved. Moreover, the manufacturing processes used to produce special steel can generate various types of waste, such as slag and dust, which need to be properly managed to prevent negative environmental impacts. The treatment and disposal of these waste materials require careful consideration to ensure they do not contaminate soil, water, or air. To mitigate these environmental considerations, companies in the steel industry have been adopting more sustainable practices. This includes investing in cleaner technologies, such as electric arc furnaces that use recycled steel as feedstock, to reduce energy consumption and emissions. Additionally, implementing efficient waste management systems and promoting steel recycling can help minimize waste generation and resource depletion. Overall, while the use of special steel has undeniable benefits in various industries, it is crucial to consider and address the associated environmental impacts. Adopting sustainable practices throughout the entire lifecycle of special steel, from raw material extraction to end-of-life disposal, is vital in minimizing its environmental footprint and promoting a more sustainable future.
- Q: How does special steel compare to other materials?
- Special steel is known for its exceptional strength, durability, and resistance to corrosion, making it superior to many other materials. Its unique composition and manufacturing processes result in improved performance, higher load-bearing capacity, and enhanced safety compared to other materials. Additionally, special steel offers excellent heat resistance, making it suitable for a wide range of applications, including automotive, construction, and aerospace industries.
- Q: What are the different methods for annealing special steel?
- There are several methods for annealing special steel, each designed to achieve specific results and properties. Some of the most commonly used methods include: 1. Full annealing: This method involves heating the steel to a temperature above its critical temperature and holding it there for a specific duration of time. It is then slowly cooled to room temperature. Full annealing helps to achieve maximum softness and improve ductility, making the steel easier to machine and work with. 2. Isothermal annealing: In this method, the steel is heated to a temperature above its critical temperature and then immediately transferred to a furnace or chamber where it is held at a constant temperature. This allows for controlled cooling, resulting in a homogeneous and fine-grained microstructure. Isothermal annealing is particularly useful for reducing distortion and improving dimensional stability in complex-shaped parts. 3. Spheroidize annealing: This method is commonly used for high-carbon steels. It involves heating the steel to a temperature just below its critical temperature and holding it there for an extended period. This promotes the formation of spheroidized carbides, which improves machinability and reduces brittleness. 4. Process annealing: This method is typically employed to relieve internal stresses and reduce hardness in cold-worked steel. The steel is heated to a temperature below its critical temperature and then cooled in still air. Process annealing helps to restore ductility and improve formability. 5. Stress-relief annealing: This method is used to alleviate residual stresses in the steel, often caused by welding or machining processes. The steel is heated to a temperature below its critical temperature and then slowly cooled. Stress-relief annealing helps to minimize distortion and prevent cracking. It is important to note that the specific annealing method used for special steel will depend on factors such as the composition of the steel, desired mechanical properties, and the intended application of the material.
- Q: What are the main advantages of using special steel in the power generation industry?
- Special steel offers several advantages in the power generation industry. Firstly, its high strength and durability make it suitable for withstanding the demanding operating conditions and extreme temperatures experienced in power plants. This ensures reliable performance and minimizes the risk of equipment failure, thereby increasing the overall efficiency and safety of power generation processes. Additionally, special steel's resistance to corrosion and oxidation prevents degradation over time, enabling longer equipment lifespan and reducing maintenance costs. Furthermore, its excellent heat transfer properties facilitate efficient energy conversion, contributing to improved power generation efficiency and reduced environmental impact. Overall, the use of special steel in the power generation industry enhances operational reliability, longevity, and efficiency, making it a preferred choice for various critical components and infrastructure.
- Q: How does special steel contribute to the dimensional stability of products?
- Special steel is known for its high strength, durability, and resistance to deformation, making it an ideal material for enhancing the dimensional stability of products. By utilizing special steel in the manufacturing process, products are less likely to experience changes in shape or size due to external factors such as temperature fluctuations or mechanical stress. This improved dimensional stability ensures that the products maintain their intended form and functionality over time, leading to increased reliability and customer satisfaction.
- Q: How long does special steel typically last in various applications?
- The lifespan of special steel can vary in different applications due to various factors. Special steel is renowned for its remarkable strength, durability, and resistance to corrosion, making it suitable for a wide array of applications. However, the actual lifespan of special steel relies on the specific application, maintenance practices, and environmental conditions it encounters. In general, special steel can endure for several decades, or even longer, when utilized in industries like construction, automotive, aerospace, and manufacturing. For example, in building structures, special steel can remain intact for 50 to 100 years due to its robustness and ability to withstand extreme loads and weather conditions. In automotive applications, special steel components such as engine parts, suspension systems, and body frames can have a lifespan of 15 to 30 years, provided they are well-maintained and not subjected to excessive wear and tear. In the aerospace industry, special steel is commonly utilized in crucial components like turbine blades, landing gears, and fuselage structures. These parts undergo rigorous testing and inspection procedures and are designed to last for decades, typically around 30 to 50 years, before necessitating replacement or refurbishment. In manufacturing processes, special steel tools and dies can last anywhere from a few years to several decades, depending on factors such as the intensity of use, the material being processed, and the maintenance practices employed. Proper lubrication, cooling, and regular maintenance can significantly prolong the lifespan of these tools. It is important to note that the lifespan of special steel can be negatively impacted by factors such as exposure to harsh chemicals, high temperatures, aggressive environments, or inadequate maintenance. Consequently, regular inspections, maintenance, and adherence to recommended usage guidelines are crucial in ensuring the longevity of special steel in various applications.
1. Manufacturer Overview
Location | Jiangsu, China |
Year Established | 2003 |
Annual Output Value | Above US$ 30 Million |
Main Markets | Asia-Pacific; Middle east |
Company Certifications |
2. Manufacturer Certificates
a) Certification Name | |
Range | |
Reference | |
Validity Period |
3. Manufacturer Capability
a) Trade Capacity | |
Nearest Port | Shanghai. |
Export Percentage | 20% - 30% |
No.of Employees in Trade Department | 10-20 People |
Language Spoken: | English; Chinese |
b) Factory Information | |
Factory Size: | Above 100,000 square meters |
No. of Production Lines | 2 |
Contract Manufacturing | OEM Service Offered; |
Product Price Range | Average |
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Spring Steel
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100Tons m.t.
- Supply Capability:
- 500Tons Per Day m.t./month
OKorder Service Pledge
OKorder Financial Service
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