Flat Spring Steel
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50Tons m.t.
- Supply Capability:
- 600000/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 manufacturing all kinds of spring steel.
Specification of Flat Spring Steel:
-Material: 55Si2Mn
-Production: Hot rolled or cold rolled
-Standard: GB/T 1222-1984
-Type: Spring Steel
-Alloy or no: Alloy
Chemical Composition:
C | Si | Mn | S |
0.52~0.6 | 1.500~2.00 | 0.60~0.90 | ≤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(%): ≥6
-Percentage reduction of area: ψ (%): ≥30
-Hardness:
1, Hot rolled, ≤302HB
2, Cold drawn + Heat treatment: ≤321HB
Usage/Applications of Flat Spring Steel:
-Elements Si and Mn improve elasticity strength, hardenability, and the ratio of yield point and tensile strength. but the decarburization tendency is a little large,
-55Si2Mn Spring Steel can be used as vibration damper leaf spring and spiral spring of cars and tractors.
-Heat-resisting spring below 250 degrees.
Packaging & Delivery of Flat 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 Flat Spring Steel:
- Q: What are the different surface treatment methods for special steel?
- There are several surface treatment methods for special steel, including but not limited to: hot-dip galvanizing, electroplating, powder coating, painting, and nitriding. Each method offers unique benefits and is chosen based on the specific requirements of the application, such as corrosion resistance, aesthetic appeal, or improved hardness.
- Q: What are the different methods for improving the fatigue strength of special steel?
- There are various ways to enhance the fatigue strength of special steel: 1. Heat treatment is a commonly used approach, involving processes like annealing, quenching, and tempering. These treatments refine the steel's microstructure, reduce impurities, and boost fatigue resistance. 2. Surface treatments, such as shot peening and nitriding, can also enhance fatigue strength. Shot peening bombards the steel surface with small metal particles, inducing compression stress that prevents crack formation and propagation. Nitriding diffuses nitrogen into the surface layer, creating a hard and wear-resistant nitride layer that improves fatigue resistance. 3. Alloying special steel with specific elements, like chromium, molybdenum, or vanadium, can significantly improve fatigue strength. These elements form carbides or nitrides, acting as barriers against crack propagation. 4. Applying protective surface coatings, like electroplating, hot-dip galvanizing, or physical vapor deposition (PVD), can enhance fatigue strength. These coatings act as barriers against environmental factors that may cause corrosion or surface damage, ultimately extending the steel's fatigue life. 5. Grain refinement can be achieved through processes like severe plastic deformation or equal channel angular pressing (ECAP). By refining the grain size, the steel's fatigue strength can be improved, as fine-grained steels have higher resistance to crack initiation and propagation. 6. Residual stress management plays a crucial role in enhancing fatigue strength. Techniques like stress relieving or shot peening can reduce tensile residual stresses, which are detrimental to fatigue resistance. It's important to consider specific requirements, the type of special steel, and the intended application when selecting the most suitable method for improving fatigue strength.
- Q: What are the different types of free-cutting steel?
- There are several different types of free-cutting steel, including leaded free-cutting steel, sulfurized free-cutting steel, and phosphorus free-cutting steel. These types of steel contain certain elements that improve machinability and make them easier to cut or shape.
- Q: What are the different surface cleaning methods for special steel?
- There are several surface cleaning methods for special steel, including mechanical cleaning, chemical cleaning, and electrochemical cleaning. Mechanical cleaning involves using abrasive materials or tools to physically remove dirt, rust, or other contaminants from the steel's surface. Chemical cleaning involves using specialized cleaning agents or solvents to dissolve and remove any unwanted substances. Electrochemical cleaning utilizes an electric current and specific electrolytes to remove dirt and corrosion from the steel's surface. Each method has its advantages and is chosen based on the specific requirements and condition of the special steel.
- Q: How does special steel perform in marine applications?
- Special steel performs exceptionally well in marine applications due to its excellent corrosion resistance and high strength. The steel is specifically designed to withstand harsh marine environments, such as saltwater, which can cause corrosion and deterioration in other materials. Its resistance to corrosion ensures durability and longevity, making it an ideal choice for various marine components and structures, including ships, offshore platforms, and underwater equipment. Additionally, the high strength of special steel enhances the structural integrity and load-bearing capacity of marine applications, providing superior performance and safety in challenging conditions.
- Q: How does special steel perform in automotive applications?
- Special steel performs exceptionally well in automotive applications due to its unique properties and characteristics. It offers superior strength, durability, and resistance to wear and corrosion, making it highly suitable for critical components such as engine parts, chassis, and suspension systems. Special steel also enables the production of lightweight designs, enhancing fuel efficiency and reducing emissions. Additionally, its high heat resistance and thermal conductivity contribute to improved performance and safety in extreme conditions. Overall, the use of special steel in automotive applications ensures enhanced reliability, performance, and longevity of vehicles.
- Q: How does special steel compare to stainless steel?
- Special steel and stainless steel are two distinct types of steel with different properties and applications. While stainless steel is known for its corrosion resistance, special steel is recognized for its exceptional strength and durability. Special steel is often used in high-stress environments where resistance to wear, impact, or extreme temperatures is crucial. On the other hand, stainless steel is preferred in applications where resistance to rust and staining is essential, such as in kitchen appliances or medical instruments. Therefore, the choice between special steel and stainless steel depends on the specific requirements and desired characteristics for a particular application.
- Q: How does special steel contribute to the manufacturing of cutting tools?
- Special steel plays a crucial role in the manufacturing of cutting tools due to its unique properties and characteristics. Firstly, special steel, also known as tool steel, exhibits high hardness, which allows it to withstand the tremendous forces and stress exerted during cutting operations. This hardness prevents the cutting tools from deforming or wearing out quickly, ensuring their longevity and efficiency. Additionally, special steel possesses excellent wear resistance. Cutting tools are subjected to constant friction and abrasion while in use, and the high wear resistance of special steel helps to minimize the wear and tear on the tools. This, in turn, leads to improved tool life, reducing the frequency of tool replacements and enhancing cost-effectiveness in the manufacturing process. Furthermore, special steel offers superior heat resistance. Cutting tools generate significant heat during machining operations, which can lead to thermal degradation and loss of hardness in conventional steels. However, special steel can withstand high temperatures without compromising its hardness and integrity. This heat resistance allows cutting tools to maintain their performance even under extreme heat conditions, ensuring consistent and precise cutting results. Moreover, the special steel used in cutting tool manufacturing often exhibits excellent toughness and strength. This enables the tools to endure heavy loads and impacts without fracturing or chipping. The combination of hardness, wear resistance, heat resistance, toughness, and strength provided by special steel ensures the durability and reliability of cutting tools, allowing them to perform efficiently and accurately. Overall, special steel significantly contributes to the manufacturing of cutting tools by providing the necessary properties to withstand the demanding conditions encountered during cutting operations. Its high hardness, wear resistance, heat resistance, toughness, and strength ensure that cutting tools remain sharp, durable, and efficient, thereby enhancing productivity and precision in various industries, such as automotive, aerospace, and manufacturing.
- Q: What are the thermal conductivity properties of special steel?
- The thermal conductivity properties of special steels, also known as alloy steels, can differ based on their composition and specific heat treatment. The range of thermal conductivity for special steel is generally between 10 and 50 W/mK. The carbon content, alloying elements, and microstructure primarily influence the thermal conductivity of steel. Carbon acts as a thermal conductor, thus increasing the thermal conductivity of steel. However, alloying elements like chromium, nickel, and molybdenum have lower thermal conductivity than iron, which can reduce the thermal conductivity of steel. Furthermore, the microstructure of special steel plays a crucial role in determining its thermal conductivity. Heat treatments like quenching and tempering can modify the microstructure, thereby affecting the thermal conductivity. For instance, steels with higher carbon content and a martensitic microstructure generally have higher thermal conductivity compared to steels with lower carbon content and a ferritic or pearlitic microstructure. It is important to consider that factors such as impurities, grain size, and the presence of defects can also influence the thermal conductivity of special steel, either enhancing or reducing it. In conclusion, the thermal conductivity properties of special steel can vary depending on its composition, heat treatment, and microstructure. Therefore, it is crucial to take these factors into account when evaluating the thermal conductivity of special steel for specific applications.
- Q: What are the cutting tools used for machining special steel?
- The cutting tools commonly used for machining special steel include carbide inserts, high-speed steel (HSS) drills, end mills, and broaches. These tools are specifically designed to withstand the high temperatures and hardness of special steels, ensuring precise and efficient cutting operations.
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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Flat Spring Steel
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50Tons m.t.
- Supply Capability:
- 600000/YEAR 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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