Spring Steel Bar

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 50Tons m.t.

Supply Capability:: 50000TONS /YEAR 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 manufacture all kinds of spring steel.

Specification of Spring Steel Bar:

-Material: SUP6

-Standard: JIS

-Production: Hot rolled or cold rolled

-Type: Spring Steel

-Alloy or no: Alloy

-Micro Structure: Tempered troostite

Corresponding Steel Grade for Reference:

JPN, JIS	CHN, GB	GER, DIN	GBR, BS
SUP6	55Si2Mn	55Si7	251ll60
FRA, NF	USA, AISI/SAE	ISO
56SC7	9260	56SiCr7

Chemical Composition:

C	Mn	Si	S
0.56~0.64	0.60~0.90	1.50~2.00	≤0.035
P	Cr	Ni	Cu
≤0.035	≤0.35	≤0.35	≤0.25

Mechanical Properties:

-Tensile Strength σb (MPa): ≥1274 (130)

-Yield Strength σs (MPa): ≥1176 (120)

-Elongation δ10(%): ≥5

-Percentage reduction of area: ψ (%): ≥25

-Hardness:

1, Hot rolled, ≤321HB

2, Cold drawn + Heat treatment: ≤321HB

Usage/Applications of Spring Steel Bar:

-This is silicon-manganese spring steel that is used widely. Its strength, elasticity and hardenability are little higher than 55Si2Mn.

- Products of this material are used as flat spring o spiral spring with diameter less than 30mm that bear a large load during the fabrication of trains, cars and tractors.

-The principal material of valve spring.

Packaging & Delivery of Spring Steel Bar:

-Packing Detail: The products can be packed in bundles by steel wires.

-Marks: We will make color marks to make sure that it’s more convenient for customers to distinguish their products from other products at the destination port and we will tie tag marks up to each bundle to make sure that customers know the specifications of each bundle like product’s name and size and other information of products.

-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)

Transportation:

1, The products can be delivered by bulk vessel or by container. As for container, products with the length of 6m will be loaded in 20’ container, with 9m or 12m, in 40’ container.

2, The maximum quantity of loading of container is 25 tons.

3, The products are usually transported to the nearest port from the production place.

Photos of Spring Steel Bar:

Spring Steel Bar

Q:How does special steel perform in high-temperature oxidation resistance?: Special steel is specifically designed to have excellent high-temperature oxidation resistance. It is able to withstand prolonged exposure to high temperatures without undergoing oxidation, ensuring its structural integrity and performance are maintained even in extreme conditions.

Q:What are the properties of magnetic steel?: Magnetic steel is characterized by its ability to attract and hold a magnetic field. It has a high magnetic permeability, allowing it to easily magnetize and demagnetize. Magnetic steel also exhibits high coercivity, meaning it has a strong resistance to losing its magnetization. Additionally, it possesses high electrical conductivity and is often used in various applications such as transformers, motors, and magnetic storage devices.

Q:How does special steel contribute to the thermal conductivity of products?: Special steel can significantly contribute to the thermal conductivity of products due to its unique composition and properties. Special steel is manufactured with specific alloying elements, such as chromium, nickel, molybdenum, or vanadium, which enhance its thermal conductivity. These alloys help in the efficient transfer of heat by increasing the free electron density within the steel. The presence of alloying elements in special steel improves its lattice structure, allowing for better heat transfer. The increased free electron density enables quick and efficient movement of thermal energy through the material. As a result, special steel can effectively conduct heat from one area to another, making it ideal for applications requiring high thermal conductivity. Furthermore, special steel is often processed using advanced techniques like heat treatment, forging, or rolling, which further optimize its properties. These processes refine the microstructure of the steel, reducing impurities and improving its thermal conductivity. The resulting steel product exhibits enhanced heat transfer capabilities and provides efficient thermal management. The high thermal conductivity of special steel makes it highly desirable for various industries and applications. It is commonly used in the manufacturing of heat exchangers, boilers, furnaces, and other thermal equipment where efficient heat transfer is crucial. Additionally, special steel is often employed in electrical appliances, such as stovetops or induction cookers, where rapid and uniform heat distribution is necessary. In summary, special steel contributes to the thermal conductivity of products by utilizing specific alloying elements and advanced processing techniques to enhance its heat transfer capabilities. Its high thermal conductivity makes it a valuable material for various industries, ensuring efficient heat management and optimal performance of thermal equipment and appliances.

Q:What are the main applications of special steel in the telecommunications sector?: Special steel is widely used in the telecommunications sector for various applications. One of the main uses is in the manufacturing of transmission towers and antennas, where high strength and corrosion resistance properties are crucial for ensuring stability and durability. Special steel is also utilized in the production of cables and wires, providing excellent conductivity and resistance to wear and tear. Additionally, special steel is employed in the fabrication of satellite communication equipment, providing the necessary strength and resilience to withstand harsh environmental conditions. Overall, special steel plays a vital role in the telecommunications sector by enabling the construction of reliable and high-performance infrastructure.

Q:Can special steel be used for manufacturing tools?: Yes, special steel can be used for manufacturing tools. Special steel is often preferred for tool production as it offers superior strength, durability, and resistance to wear and tear. It also allows for the creation of tools with specific properties, such as high heat resistance or corrosion resistance, making it suitable for various applications in industries like automotive, aerospace, and construction.

Q:Can special steel be used in high-speed applications?: Yes, special steel can be used in high-speed applications. Special steels such as tool steels or high-speed steels are specifically designed to withstand high temperatures, resist wear, and maintain their mechanical properties at high speeds. These steels are widely used in industries like aerospace, automotive, and manufacturing for applications like cutting tools, bearings, and gears, where high-speed performance is crucial.

Q:How does special steel contribute to the electrical conductivity of products?: Special steel contributes to the electrical conductivity of products by offering high levels of purity and low levels of impurities. Its composition and manufacturing process ensure that it has excellent conductivity and minimal resistance, allowing for efficient flow of electric current.

Q:Can special steel be used in the production of fasteners?: Yes, special steel can be used in the production of fasteners. Special steel, such as stainless steel or alloy steel, has enhanced properties such as corrosion resistance, high strength, or heat resistance, making it suitable for various applications in industries where fasteners are commonly used.

Q:How does special steel contribute to the energy generation industry?: Special steel plays a crucial role in the energy generation industry by contributing to the efficiency, reliability, and safety of various components and equipment used in power plants. One key area where special steel is essential is in the construction of turbine blades and generator rotors. These components are subjected to extreme temperatures, pressures, and mechanical stresses. Special steels, such as superalloys, are specifically designed to withstand these harsh conditions, ensuring the longevity and performance of these critical parts. By using special steel, power plants can operate at higher temperatures and pressures, leading to increased energy efficiency and power output. In addition to turbine components, special steel is also used in the construction of boilers and heat exchangers. These components are exposed to high temperatures and corrosive environments. Special steel alloys, such as stainless steels, are highly resistant to corrosion and can withstand the harsh conditions encountered in power plant operations. This corrosion resistance ensures the longevity and reliability of these components, reducing maintenance costs and downtime. Furthermore, special steel is utilized in the construction of transmission and distribution infrastructure. Steel cables and conductors are used to transmit electricity over long distances, and special steel alloys provide the necessary strength and conductivity for efficient power transmission. Additionally, steel is used in the construction of towers, poles, and other support structures, ensuring the stability and reliability of the electrical grid. Moreover, special steel is also vital in the production of nuclear energy. Nuclear power plants require materials that can withstand extreme temperatures, high radiation levels, and corrosive environments. Special steel alloys, such as stainless steels and nickel-based alloys, are specifically designed to meet these requirements, providing the necessary strength, resistance to radiation, and corrosion resistance for the safe and efficient operation of nuclear reactors. In summary, special steel is an integral part of the energy generation industry. Its unique properties and capabilities contribute to the efficiency, reliability, and safety of various components and equipment used in power plants. By using special steel, power plants can increase energy efficiency, reduce maintenance costs, and ensure the longevity and performance of critical infrastructure, ultimately supporting the sustainable and reliable generation of electricity.

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.

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