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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Quality Product, Order Online Tracking, Timely Delivery
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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:Can special steel be used in the production of springs?
- Yes, special steel can be used in the production of springs. Special steel, such as alloy steel or stainless steel, is often preferred for its high strength, durability, and resistance to corrosion, making it suitable for applications where springs need to withstand heavy loads or harsh environments.
- Q:Can special steel be used in the furniture manufacturing industry?
- Yes, special steel can be used in the furniture manufacturing industry. Special steel offers various advantages such as strength, durability, and corrosion resistance, making it suitable for producing sturdy and long-lasting furniture pieces. Additionally, special steel can be molded and shaped into various designs, providing flexibility and creativity in furniture manufacturing.
- Q:What are the requirements for special steel used in telecommunications infrastructure?
- The requirements for special steel used in telecommunications infrastructure include: 1. High strength: Special steel used in telecommunications infrastructure should have high tensile strength to withstand the heavy loads and stresses imposed on the structures. This ensures that the infrastructure remains stable and secure. 2. Corrosion resistance: As telecommunications infrastructure may be exposed to various environmental conditions, including moisture and chemicals, it is crucial for the special steel to have excellent corrosion resistance. This helps to protect the infrastructure from rust and deterioration, extending its lifespan. 3. Good weldability: Special steel used in telecommunications infrastructure should have good weldability to facilitate the construction and installation processes. This allows for easy joining of different components, ensuring a strong and reliable structure. 4. Durability: The special steel should be able to withstand the harsh conditions it may be exposed to over its lifetime. It should have high durability to resist fatigue, impact, and other external factors that could potentially compromise the integrity of the infrastructure. 5. Lightweight: While strength is important, special steel used in telecommunications infrastructure should also be lightweight. This enables easier transportation, handling, and installation of the components, reducing costs and time required for construction. 6. Fire resistance: Special steel used in telecommunications infrastructure should have good fire resistance properties to prevent the spread of fire and ensure the safety of the infrastructure and the surrounding areas. 7. Electrical conductivity: Telecommunications infrastructure often requires electrical grounding and bonding. Therefore, special steel used in these applications should have good electrical conductivity properties to ensure effective grounding and minimize electrical interference. Meeting these requirements ensures that the special steel used in telecommunications infrastructure can provide the necessary structural integrity, longevity, and performance to support reliable and efficient communication networks.
- Q:How is high-temperature stainless steel used in the production of gas turbines?
- High-temperature stainless steel is used in the production of gas turbines due to its exceptional heat resistance and corrosion resistance properties. It is utilized to make critical components such as turbine blades, rotors, and casings that are exposed to extreme temperatures and harsh environments. This stainless steel helps gas turbines operate efficiently and reliably by withstanding high temperatures without losing strength or degrading, ultimately enhancing the performance and lifespan of gas turbines.
- Q:What are the main factors affecting the fracture toughness of special steel?
- The fracture toughness of special steel is influenced by several main factors. 1. Alloy composition: The specific chemical composition of the steel, including the type and amount of alloying elements, greatly affects its fracture toughness. Elements like chromium, nickel, and molybdenum can improve the toughness by promoting the formation of fine-grained microstructures or enhancing the steel's ability to resist crack propagation. 2. Heat treatment: The heat treatment process, including the temperature and duration of heating and cooling, plays a crucial role in determining the fracture toughness. Proper heat treatment can refine the microstructure and eliminate potential defects, enhancing the steel's resistance to fracture. 3. Microstructure: The microstructure of the steel, such as grain size and distribution, phase composition, and presence of inclusions, significantly affects its fracture toughness. Fine-grained structures generally exhibit higher toughness due to improved resistance to crack propagation. 4. Presence of defects: The presence of defects like cracks, voids, or inclusions in the steel can act as stress concentrators, reducing its fracture toughness. These defects can initiate cracks and propagate them more easily, leading to lower toughness. 5. Temperature: Fracture toughness is temperature-dependent, and the behavior of special steel can vary significantly at different temperatures. Some steels exhibit improved toughness at low temperatures due to the transformation of the microstructure, while others may experience reduced toughness at elevated temperatures due to the softening of the material. 6. Loading conditions: The fracture toughness of special steel can also be influenced by the loading conditions, such as the rate of loading or the presence of dynamic loading. Higher loading rates or dynamic loading can result in reduced toughness as the steel may not have sufficient time to deform and absorb energy before fracture. 7. Mechanical properties: The mechanical properties of the steel, such as strength, hardness, and ductility, can affect its fracture toughness. Higher strength and hardness can sometimes lead to lower toughness, as the material becomes more brittle. However, a balance between strength and toughness can be achieved by carefully selecting the alloy composition and heat treatment parameters. Overall, the fracture toughness of special steel is a complex interplay of various factors, including alloy composition, heat treatment, microstructure, defects, temperature, loading conditions, and mechanical properties. Optimizing these factors can help enhance the fracture toughness of special steel for specific applications.
- Q:How does special steel contribute to the manufacturing of springs for automotive applications?
- Special steel is crucial for the manufacturing of springs in automotive applications because it offers high strength, durability, and excellent fatigue resistance. It allows springs to withstand heavy loads, vibrations, and extreme temperatures while maintaining their shape and performance over time. Special steel also provides flexibility in design, allowing for the production of springs with specific characteristics such as improved stability, reduced weight, and enhanced energy absorption. Overall, the use of special steel in spring manufacturing ensures reliable and efficient performance in automotive applications.
- Q:How is special steel used in the medical manufacturing process?
- Special steel is used in the medical manufacturing process for various applications such as surgical instruments, implants, and medical devices. Its unique properties, including corrosion resistance, strength, and biocompatibility, make it ideal for ensuring the quality, durability, and safety of medical equipment.
- Q:How is the hardness of special steel measured?
- The hardness of special steel is typically measured using various methods, with the most common being the Rockwell hardness test. This test involves pressing a diamond or hardened steel ball into the surface of the steel and measuring the depth of penetration. The Rockwell hardness number is then determined based on the difference in depth before and after the application of a minor load and a major load. Another widely used method is the Brinell hardness test, which involves indenting a hardened steel or carbide ball into the steel surface and measuring the diameter of the indentation. The hardness is calculated based on the applied load and the diameter of the impression. Additionally, there are other methods such as the Vickers hardness test and the Knoop hardness test that are often used for specific applications. These tests involve indenting the steel surface with a diamond pyramid and measuring the diagonal lengths or the indentation depth, respectively. Overall, the hardness of special steel is determined by measuring the resistance of its surface to indentation or penetration, providing valuable information about its mechanical properties and suitability for various applications.
- Q:What are the different methods of strengthening special steel?
- Special steel can be strengthened in various ways, each with its own benefits and uses. Heat treatment is a common method, involving heating the steel to a specific temperature and then cooling it rapidly or slowly, depending on the desired result. This can involve processes such as quenching, tempering, and annealing, which change the steel's microstructure to enhance its mechanical properties. Another method is alloying, where different elements are added to the steel to improve its strength. For instance, adding elements like chromium, nickel, or molybdenum can enhance the steel's resistance to corrosion, while vanadium or tungsten can increase its hardness and wear resistance. Cold working is another technique used to strengthen special steel, involving deforming the steel at room temperature through rolling, forging, or drawing. This aligns the steel's crystalline structure, boosting its strength and hardness. Moreover, surface treatments can be employed to enhance the strength of special steel. Techniques like carburizing, nitriding, or plating can introduce a hardened layer or coating on the steel's surface, improving its wear resistance and durability. Each method has its own advantages and can be customized to meet specific requirements and applications. By combining different strengthening techniques, special steel can be tailored to fulfill a wide range of industrial needs, making it a reliable and versatile material.
- Q:What are the characteristics of special stainless steel?
- Special stainless steel distinguishes itself from regular stainless steel through its exceptional properties. Some of the notable traits of this type of stainless steel are as follows: 1. Unparalleled Resistance to Corrosion: Unlike regular stainless steel, special stainless steel boasts a higher degree of corrosion resistance. It can endure exposure to harsh surroundings, such as saltwater or acidic substances, without undergoing corrosion or deterioration. 2. Impressive Endurance of High Temperatures: Special stainless steel is engineered to withstand elevated temperatures without compromising its structural integrity. This makes it suitable for industries like aerospace, automotive, and power generation, where extreme heat endurance is essential. 3. Reinforced Strength and Durability: Special stainless steel is commonly alloyed with other elements to enhance its strength and durability. Consequently, it exhibits remarkable resistance to deformation, cracking, and wear, ensuring its longevity and reliability in demanding conditions. 4. Exceptional Mechanical Properties: Special stainless steel possesses outstanding mechanical properties, including high tensile strength, toughness, and ductility. These properties make it an ideal choice for applications that require a high load-bearing capacity, such as structural components and machinery. 5. Distinctive Magnetic Properties: Depending on its composition, special stainless steel can display a range of magnetic properties, varying from non-magnetic to highly magnetic. This versatility enables its use in applications that demand magnetic properties, such as magnetic resonance imaging (MRI) machines or electrical transformers. 6. Hygienic and Easy to Maintain: Special stainless steel is renowned for its hygienic properties, rendering it suitable for applications in the food and healthcare industries. It is non-porous, resistant to bacterial growth, and easy to clean, making it an ideal choice for equipment and surfaces that must meet stringent sanitary standards. 7. Aesthetic Allure: The aesthetic appeal of special stainless steel often leads to its utilization in architectural and design applications. It can be polished to achieve a mirror-like finish, lending it a sleek and contemporary appearance. Moreover, its malleability and weldability allow for limitless creative design possibilities. In conclusion, special stainless steel possesses an array of exceptional properties, encompassing high corrosion resistance, temperature resistance, strength, durability, excellent mechanical properties, unique magnetic properties, hygienic features, and aesthetic appeal. These characteristics position it as the preferred choice for a wide range of industrial, commercial, and domestic applications.
ORIGIN,a well-known enterprise specializing in the production and sales of Spring steel and aluminum powder.
1. Manufacturer Overview |
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| Location | Jiangsu, China |
| Year Established | 2003 |
| Annual Output Value | Above US$ 30 Million |
| Main Markets | Asia-Pacific; Middle east |
| Company Certifications | |
2. Manufacturer Certificates |
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| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
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| 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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