Spring Steel
- Ref Price:
-
- 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 advantages of using special steel in various industries?
- Special steel offers several advantages in various industries. Firstly, it has superior strength and durability, making it ideal for applications that require high resistance to wear, impact, and corrosion. This enables the production of longer-lasting and more reliable components, reducing maintenance and replacement costs. Additionally, special steel can be tailored to meet specific requirements, such as temperature resistance or magnetic properties, allowing for customization in different industries. Furthermore, its excellent machinability and weldability make it easier to work with and shape into complex forms, enhancing design flexibility. Finally, special steel's ability to withstand extreme conditions and harsh environments makes it ideal for industries like aerospace, automotive, construction, energy, and manufacturing. Overall, the use of special steel enhances performance, efficiency, and longevity in various industrial applications.
- Q: What are the effects of different heat treatment processes on special steel?
- Special steel can undergo various heat treatment processes that significantly impact its properties and performance. These processes are designed to modify the steel's microstructure, influencing its hardness, strength, toughness, and other mechanical properties. One widely used heat treatment process is annealing, which entails heating the steel to a specific temperature and gradually cooling it. Annealing serves to alleviate internal stresses, enhance machinability, and improve the steel's ductility. Additionally, it refines the grain structure, promoting uniformity and decreasing the likelihood of cracks or defects. Another heat treatment process is quenching, which involves heating the steel to a high temperature and rapidly cooling it by immersing it in a quenching medium like oil or water. This process results in the formation of a hardened microstructure, augmenting the steel's hardness and resistance to wear. However, quenching can also render the steel brittle, which is why tempering is often performed subsequently. Tempering encompasses reheating the quenched steel to a lower temperature and maintaining it there for a specific duration. This process reduces the brittleness caused by quenching and enhances the steel's toughness and ductility. The resulting microstructure strikes a balance between hardness and toughness, rendering the steel suitable for applications necessitating both strength and impact resistance. Other heat treatment processes, such as normalizing and stress relieving, can also be employed to attain specific properties in special steel. Normalizing entails heating the steel above its critical point and allowing it to cool in still air. This process refines the grain structure and improves the steel's strength and machinability. Conversely, stress relieving aims to eliminate residual stresses from the steel by heating it below its critical point and gradually cooling it. In conclusion, the effects of various heat treatment processes on special steel are manifold. These processes can modify the steel's microstructure, leading to alterations in hardness, strength, toughness, and other mechanical properties. By selecting the appropriate heat treatment process, manufacturers can customize the steel's characteristics to meet specific requirements, ensuring optimal performance and longevity.
- Q: What are the different surface cleaning methods for special steel?
- Maintaining the quality and appearance of special steel requires the use of various surface cleaning methods. Here are some options: 1. To remove dirt, rust, or other contaminants from the steel surface, mechanical cleaning utilizes tools like wire brushes, sandpaper, or abrasive pads. This method effectively eliminates loose particles and light stains. However, it may not be suitable for stubborn dirt or deep stains. 2. Chemical cleaning is a commonly employed technique for special steel surfaces. It involves applying specific chemical solutions to dissolve and eliminate contaminants. The choice of chemicals depends on the type of dirt or stain. Acid-based cleaners work well for rust removal, while alkaline cleaners are effective against grease or oil stains. 3. Electrochemical cleaning employs an electrical current to eradicate contaminants from the steel surface. This method requires submerging the steel in an electrolyte solution and applying a direct current. As a result, the contaminants dissolve and separate from the surface. It is crucial to monitor this method closely to avoid any damage to the steel. 4. High-pressure water cleaning, also known as water blasting, removes dirt, paint, or other contaminants from the steel surface by using pressurized water. This method is particularly effective for heavy stains or coatings and is commonly used in industrial cleaning processes. 5. Steam cleaning is a gentle technique that uses high-temperature steam to loosen and eliminate dirt, grease, or other contaminants from the steel surface. It is a non-abrasive method that can effectively clean delicate or sensitive surfaces without causing any damage. It is important to consider the specific type of steel, the nature of the contaminants, and the desired level of cleaning when selecting the appropriate surface cleaning method. Consulting experts or following manufacturer guidelines is recommended to ensure the best cleaning method for a particular type of special steel.
- Q: What are the factors that affect the mechanical properties of special steel?
- The mechanical properties of special steel can be influenced by various factors such as the chemical composition, heat treatment process, grain size, microstructure, and the presence of impurities or alloying elements. Additionally, factors like temperature, strain rate, and mechanical loading conditions can also impact the mechanical properties of special steel.
- Q: What are the advantages of using special steel in aerospace applications?
- The utilization of special steel in aerospace applications brings forth numerous benefits. Firstly, it possesses exceptional mechanical properties and high strength, rendering it suitable for enduring the extreme conditions encountered within the aerospace industry. Its capability to withstand high temperatures, pressures, and vibrations guarantees the safety and reliability of aircraft components. Secondly, special steel offers remarkable resistance to corrosion, a critical characteristic in aerospace applications. As aircraft are exposed to harsh environments, including moisture, atmospheric gases, and various chemicals, the corrosion resistance of special steel prevents degradation and maintains the structural integrity of the aircraft. This, in turn, reduces the frequency of maintenance and repair requirements. Furthermore, special steel exhibits excellent fatigue resistance, enabling it to endure repeated loading cycles without compromising its structural integrity. This characteristic is particularly significant in aerospace applications, where components are subjected to cyclic loading due to takeoffs, landings, and turbulence. By utilizing special steel, the risk of fatigue failure is significantly minimized, ensuring the longevity and safety of the aircraft. Moreover, special steel offers favorable weldability and formability, allowing for the production of intricate and complex aerospace components. This flexibility in manufacturing processes permits customization and optimization of designs, resulting in lightweight yet robust structures. The incorporation of special steel in aerospace applications contributes to overall weight reduction of aircraft, thereby enhancing fuel efficiency and increasing payload capacity. In conclusion, the advantages of employing special steel in aerospace applications encompass its high strength, exceptional mechanical properties, corrosion resistance, fatigue resistance, weldability, and formability. These characteristics make it an ideal material for withstanding the demanding conditions experienced in the aerospace industry, ensuring the safety, reliability, and efficiency of aircraft.
- Q: How does special steel contribute to the overall strength and durability of structures?
- Several factors contribute to the overall strength and durability of structures, and special steel is one such factor. Firstly, the manufacturing process of special steel involves incorporating specific alloying elements that enhance its mechanical properties. This leads to an increase in tensile strength and hardness, enabling the steel to withstand higher loads and pressures. Consequently, the structural integrity of buildings and infrastructures is ensured. Additionally, special steel is renowned for its remarkable resistance against corrosion. This is particularly significant for structures that are exposed to harsh environmental conditions or come into contact with corrosive substances. By preventing rust and degradation, special steel significantly prolongs the lifespan of structures. As a result, maintenance costs are reduced, and the need for frequent repairs or replacements is minimized. Furthermore, the unique properties of special steel enable the creation of streamlined and lightweight structures. Its high strength-to-weight ratio empowers architects and engineers to design structures with thinner sections and reduced material usage, all while maintaining the necessary strength. This not only saves costs but also reduces the environmental impact associated with construction. Moreover, special steel exhibits exceptional toughness and impact resistance. This makes it highly resistant to fractures or buckling when subjected to extreme loads or dynamic forces. This property is particularly crucial for structures that face seismic events, heavy vibrations, or impacts, as it guarantees the safety and stability of the building or infrastructure. In conclusion, special steel plays a critical role in enhancing the overall strength and durability of structures. Its unique mechanical properties, corrosion resistance, lightweight nature, and high toughness all contribute to the longevity, safety, and cost-effectiveness of buildings and infrastructures.
- Q: What are the different methods of surface powder coating for special steel?
- Some different methods of surface powder coating for special steel include electrostatic spraying, fluidized bed coating, and flame spraying. Electrostatic spraying involves applying a charged powder to the steel surface, which is then cured in an oven. Fluidized bed coating involves dipping the steel into a bed of powder that is heated to a fluidized state, allowing the powder to adhere to the surface. Flame spraying uses a flame to melt and propel the powder onto the steel surface, creating a durable coating.
- Q: What are the different methods of hardening special steel?
- There exist various techniques for strengthening special steel, each possessing its own merits and suitable applications. 1. Quenching: A widely employed approach for steel hardening, it entails heating the steel to a critical temperature and rapidly cooling it in a quenching medium such as oil, water, or air. This rapid cooling prompts the formation of a martensitic structure, rendering the steel harder but more brittle compared to its original state. 2. Tempering: Following quenching, steel is often subjected to tempering to decrease brittleness and enhance toughness. This process involves reheating the hardened steel to a specific temperature and maintaining it at that temperature for a predetermined duration. By doing so, internal stresses are reduced, and the overall mechanical properties of the steel are improved. 3. Case hardening: Employed to augment the hardness of the outer layer of steel while preserving a tough and ductile core, case hardening involves introducing carbon or nitrogen into the steel's surface through methods like carburizing or nitriding. This results in the creation of a hardened surface layer while retaining the desired properties within the core. 4. Induction hardening: Particularly useful for localized hardening of specific regions within a component, this technique employs an electromagnetic field to solely heat the desired area of the steel, followed by rapid quenching. Induction hardening allows precise control over the hardened region while maintaining desired properties in the remainder of the component. 5. Cryogenic treatment: Involving subjecting hardened steel to extremely low temperatures, often below -150°C (-238°F), this process further refines the steel's microstructure, enhancing its hardness, wear resistance, and dimensional stability. 6. Flame hardening: This method entails heating the steel's surface using a high-temperature flame and subsequently quenching it. Flame hardening is typically employed for large components or specific areas requiring localized hardening. Selecting the appropriate method is crucial and dependent on the steel's specific requirements and intended application. Factors such as desired hardness, toughness, wear resistance, and dimensional stability play a pivotal role in method selection.
- Q: What are the different surface hardening grades of special steel?
- Different surface hardening grades of special steel are available, each with specific characteristics and properties. Some commonly used grades include the following: 1. Case-hardening steels: These grades, typically low carbon steels, develop a hard outer layer while maintaining a softer core. Carburizing or nitriding processes introduce carbon or nitrogen into the steel surface. These steels are used in applications where wear resistance and toughness are necessary. 2. Tool steels: These grades are designed for cutting, forming, and shaping tools. Tool steels are known for their high hardness, wear resistance, and ability to retain a cutting edge even at high temperatures. Various types of tool steels, such as HSS, hot work steel, cold work steel, and plastic mold steel, are suitable for specific applications. 3. Stainless steels: These grades contain a minimum of 10.5% chromium, providing excellent corrosion resistance. Stainless steels can be hardened through precipitation hardening or martensitic transformation. They are commonly used in industries requiring resistance to corrosion and high temperatures, such as food processing, chemical, and medical industries. 4. High-strength steels: These grades offer exceptional strength and toughness. They often contain alloying elements like manganese, chromium, or nickel to enhance their mechanical properties. High-strength steels are commonly used in structural applications, automotive components, and heavy machinery. 5. Maraging steels: These grades are known for their high strength, toughness, and excellent resistance to fracture. Maraging steels achieve these properties through a unique aging process involving precipitation hardening. They find applications in aerospace, defense, and tooling industries. 6. Bearing steels: These grades are specially formulated to provide excellent wear resistance and durability for bearing applications. Bearing steels often contain alloying elements like chromium, molybdenum, and vanadium to enhance their mechanical properties and fatigue resistance. These examples represent the diverse range of surface hardening grades of special steel, each offering unique properties and characteristics. This allows for a wide range of applications across various industries.
- Q: What is the significance of alloying elements in special steel?
- Alloying elements in special steel play a crucial role in enhancing its properties and performance. These elements, such as chromium, nickel, manganese, and molybdenum, are added to improve characteristics like strength, hardness, corrosion resistance, and heat resistance. The combination and proportion of alloying elements determine the specific properties of the steel, making it suitable for various applications, such as manufacturing aircraft parts, automotive components, or tools. Overall, alloying elements greatly contribute to the versatility and functionality of special steel.
ORIGIN,a well-known enterprise specializing in the production and sales of Spring steel and aluminum powder.
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
- Ref Price:
-
- 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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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