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:How is high-strength alloy steel used in the production of structural components?
- High-strength alloy steel is commonly used in the production of structural components due to its exceptional strength-to-weight ratio. It provides superior tensile strength and toughness, making it suitable for supporting heavy loads and withstanding high stress and impact. This steel is often used in the construction of buildings, bridges, and other infrastructure, as well as in the manufacturing of machinery and vehicles. Its application helps enhance structural integrity, durability, and safety while minimizing the weight and material requirements of these components.
- Q:How does the alloying elements affect the properties of special steel?
- Alloying elements have a significant impact on the properties of special steel. By adding specific elements in controlled quantities, the strength, hardness, corrosion resistance, and other desirable properties of steel can be enhanced. For example, the addition of chromium can improve stainless steel's corrosion resistance, while molybdenum can enhance its strength and toughness. Similarly, elements like nickel, vanadium, and tungsten can influence various properties of special steel, making it suitable for specific applications in industries such as automotive, aerospace, and construction. Overall, alloying elements play a crucial role in tailoring the properties of special steel to meet the requirements of diverse applications.
- Q:How does special steel perform in terms of magnetic permeability?
- Special steel typically has a lower magnetic permeability compared to other materials, meaning it has a weaker response to magnetic fields.
- 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:How is special steel used in the mining industry?
- Special steel is widely used in the mining industry due to its exceptional properties such as high strength, durability, and resistance to wear and corrosion. It is utilized in various applications including the manufacturing of drilling tools, crushing equipment, conveyor systems, and structural components for mining machinery. Additionally, special steel is used in the production of wear-resistant plates and liners, which protect mining equipment from abrasion and extend their lifespan. This type of steel plays a crucial role in enhancing the efficiency and safety of mining operations.
- Q:How does tool and die steel maintain its hardness and wear resistance?
- Tool and die steel maintains its hardness and wear resistance through a combination of factors, including its composition and heat treatment. It is typically made from high-carbon and high-chromium alloys, which provide inherent hardness and resistance to wear. Additionally, the steel is subjected to a specific heat treatment process, such as quenching and tempering, which further enhances its hardness and toughness. This combination of composition and heat treatment allows the tool and die steel to withstand the high pressures, repeated impacts, and abrasive forces encountered in tooling and die applications, thus maintaining its hardness and wear resistance over time.
- Q:How does the addition of nickel enhance the properties of special steel?
- The addition of nickel to special steel enhances its properties in several ways. Firstly, nickel increases the strength of steel, making it more durable and resistant to deformation. This is especially important in applications where the steel will be subjected to high temperatures or heavy loads. Additionally, nickel improves the corrosion resistance of steel. It forms a protective oxide layer on the surface of the steel, preventing it from rusting or corroding when exposed to moisture or harsh chemicals. This is particularly valuable in industries such as marine, aerospace, and chemical processing, where steel is frequently exposed to corrosive environments. Furthermore, nickel improves the toughness of steel, meaning that it can withstand impact or sudden changes in temperature without fracturing or cracking. This makes it suitable for applications that require high resistance to shock or vibration, such as in construction, automotive, or machinery manufacturing. Moreover, the addition of nickel enhances the heat resistance of steel. Nickel increases the steel's ability to retain its strength and shape at high temperatures, making it suitable for applications in high-temperature environments, such as in power generation, oil and gas, or furnace systems. In summary, the addition of nickel to special steel enhances its strength, corrosion resistance, toughness, and heat resistance. These improved properties make nickel-enhanced steel highly desirable in a wide range of industries and applications, where durability, reliability, and performance under challenging conditions are paramount.
- Q:What are the different nitriding techniques used for special steel?
- There are several nitriding techniques used for special steel, including gas nitriding, salt bath nitriding, plasma nitriding, and ion nitriding. Each technique involves introducing nitrogen into the surface of the steel to improve its hardness, wear resistance, and corrosion resistance. Gas nitriding involves exposing the steel to ammonia gas at high temperatures, while salt bath nitriding immerses the steel in a bath of molten salts containing nitrogen. Plasma nitriding and ion nitriding both use electrical discharges to ionize nitrogen gas and accelerate it towards the steel surface. These techniques offer different levels of control over the nitriding process and can be tailored to meet specific requirements for different types of special steel applications.
- Q:What are the different cutting grades of special steel?
- There are several cutting grades of special steel that are commonly used in various industries. These cutting grades are designed to possess specific properties and characteristics that make them suitable for different cutting applications. Some of the different cutting grades of special steel include: 1. High-speed steel (HSS): This cutting grade is known for its excellent hardness, wear resistance, and heat resistance. It can retain its hardness at high temperatures, making it ideal for cutting tools used in high-speed machining operations. 2. Tool steel: Tool steel is a versatile cutting grade that is used for a wide range of cutting applications. It offers high hardness, toughness, and abrasion resistance, making it suitable for cutting tools, dies, and molds. 3. Stainless steel: Stainless steel is a popular cutting grade due to its corrosion resistance and durability. It is commonly used in the food, medical, and automotive industries, where precision cutting and cleanliness are crucial. 4. Carbon steel: Carbon steel is a commonly used cutting grade known for its high strength and toughness. It is often used for cutting tools, knives, and blades. However, carbon steel is susceptible to corrosion, so proper maintenance and care are necessary to prevent rusting. 5. Alloy steel: Alloy steel is a cutting grade that is made by combining different elements to enhance its properties. It offers improved hardness, strength, and wear resistance, making it suitable for high-stress cutting applications. Alloy steel is commonly used in the aerospace, automotive, and construction industries. These are just a few examples of the different cutting grades of special steel. Each grade has its own unique properties and advantages, allowing manufacturers to choose the most suitable grade based on the specific cutting requirements and conditions.
- Q:What are the key differences between special steel and tool steel?
- Special steel and tool steel possess distinct characteristics and uses. Here are the main disparities: 1. Composition: Special steel encompasses a diverse range of steel alloys tailored for specific applications. Stainless steel, high-strength alloy steel, and heat-resistant steel are some examples. In contrast, tool steel refers to a particular type of special steel designed for tool, die, and mold production. Tool steel typically contains higher levels of carbon and other alloying elements like chromium, vanadium, or tungsten, which enhance its hardness, wear resistance, and toughness. 2. Hardness and wear resistance: Tool steel stands out for its exceptional hardness and wear resistance, making it ideal for cutting, shaping, and forming materials. It can endure high temperatures and resist deformation, ensuring the longevity of tools and dies. On the other hand, special steel may not possess the same level of hardness and wear resistance as tool steel. Its properties vary depending on the specific alloy and application. Special steel alloys may prioritize other properties such as corrosion resistance or strength. 3. Manufacturing processes: Tool steel often undergoes specialized manufacturing processes like hot working, cold working, or heat treatment to achieve the desired properties. The production of tool steel involves precise temperature control and cooling rates to attain the necessary hardness and toughness. In contrast, special steel may undergo various manufacturing processes depending on the desired properties, such as forging, casting, or heat treatment. 4. Applications: Tool steel finds primary application in the production of tools, dies, and molds used for cutting, shaping, and forming materials. Industries such as automotive, aerospace, and machinery commonly utilize tool steel. Conversely, special steel has a wide range of applications depending on the specific alloy and properties. It can be employed in industries such as construction, energy, and manufacturing, where specific properties like corrosion resistance, heat resistance, or strength are required. To summarize, the key distinctions between special steel and tool steel lie in their composition, hardness, wear resistance, manufacturing processes, and applications. While special steel encompasses various steel alloys with specific properties, tool steel is a specific type of special steel tailored for tooling applications. Tool steel is characterized by its exceptional hardness and wear resistance, making it suitable for cutting and shaping materials. On the other hand, special steel can possess a broader range of properties depending on the specific alloy and application.
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
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OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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