High grade spring steel wire
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
You Might Also Like
Spring steel is due in the quenched and tempered condition of elastic,specially used in the manufacture of spring and spring steel. Resiliencedepends on the deformation of steel in the elasticity, that is within the scope of the regulations, the elastic deformation of the ability to bear a certain load, theload permanent deformation after removal does not appear. Spring steelshould possess excellent comprehensive properties, such as mechanical properties (especially the elastic limit, ultimate strength, yield ratio), sag resistance performance (i.e., anti sagging performance, also known as the anti relaxation property), fatigue performance, hardenability, physical and chemical properties of heat resistance, low temperature resistance, (oxidation, corrosion resistance etc.). In order to meet the performance requirements, spring steel has excellent metallurgical quality (high purity and uniformity), good surface quality (strict control of surface defects and decarburization), shape and sizeprecision.
According to GB/T 13304 "steel classification" standard, according to the basicproperties and use characteristics of spring steel, belonging to the mechanical structure with steel; according to the quality grade, which belongs to thespecial quality steel, which need to be especially strict quality control and performance of the steel in the production process. According to the Chinahabits, spring steel belongs to special steel, spring steel when makingtechnical requirements are relatively high, excellent technology directly determine the level of quality.
Classification
Classified according to chemical composition
According to the GB/T 13304 standard, spring steel for non alloy spring steelin accordance with its chemical composition (carbon spring steel) and alloy spring steel. Carbon spring steel
The carbon content of carbon spring steel (mass fraction) in general 0.62%~0.90%. According to the content of manganese is divided into generalmanganese content (mass fraction) (0.50%~0.80%) such as 65, 70, 85 andhigher manganese content (mass fraction) (0.90~1.20%), such as the 65Mnclass two.
Alloy spring steel
Alloy spring steel in carbon steel on the basis of appropriate, by adding one orseveral kinds of alloy elements to improve the mechanical properties ofhardened steel, permeability and other properties, the desired performance in order to meet the manufacturing all kinds of spring steel.
Alloy spring steel basic composition series, Si Mn spring steel, spring steel,silicon chromium chromium manganese spring steel, chrome vanadium springsteel, tungsten chromium vanadium spring steel etc.. Based on these series,with molybdenum, vanadium and boron alloy elements such as some brandsand join in order to improve the performance of some of its aspects.
In addition, also from other steel types, such as high quality carbon structuralsteel, carbon tool steel, high-speed tool steel, stainless steel, the choice of some grades of steel used as spring.
Classification according to the production processing method
The hot rolling (forging) steel hot rolling round steel, including Fang Gang, flat steel, steel plate, forging round steel, Fang Gang.
The cold drawing (rolling) steel wire, cold drawn steel strip, including material(cold drawn steel).
In accordance with the steel delivery status classification
The hot rolling (forging) steel
A. rolled (forging) delivery of steel after hot forming is made of spring, and then quenching and tempering treatment.
B. in annealing state of delivery by the cold formed steel spring, thenquenching and tempering treatment.
All the above should comply with the relevant state provisions of deliveryhardness.
The cold drawing (rolling) steel
A. steel wire
The lead bath isothermal quenching cold drawn steel wire (also called sendDeng de cold drawing steel wire spring) made only after low temperaturetempering, to eliminate stress.
The oil quenching and tempering steel cold drawn into required size,continuous heating, continuous oil quenching and tempering of lead. Springsteel wire made only for the bottom temperature of fire, in order to eliminate stress.
The cold drawn steel wire (i.e. without quenching and tempering steel)
A. to cold state of delivery.
B. with annealing, normalizing or tempering treatment delivery.
The above two kinds of delivery wire springs are needed after quenching and tempering treatment.
B. steel strip
The cold state of delivery is made of spring after low temperature tempering, to eliminate stress.
The quenched and tempered condition required delivery is made of springafter low temperature tempering, to eliminate stress.
The back fire delivery is made of spring after quenching and temperingtreatment needs
C. cold drawn steel
In the annealed state delivery after cold forming steel is made of spring, and then quenching and tempering treatment.
The other classification method
In addition to the above, there are a number of other classification methods,for example:
According to the conditions of delivery requirements can be divided according to the chemical composition (mechanical properties) delivery and press thehardenability of delivery.
According to the spring working conditions can be divided into static loadspring steel, subjected to impact load spring steel and high (low) temperaturespring and corrosion resistance of spring steel etc..
2 process performance
Edit
Spring in use shock and vibration or prolonged stress, so the requirements ofhigh tensile strength, high elastic limit, the fatigue strength of the spring steel.In the technology requirements of spring steel has certain hardenability, not easy removal, good surface quality carbon spring steel is carbon content of WC in the 0.6%-0.9% range of high-quality carbon structural steel. Alloy springsteel is mainly the Si Mn steel, their carbon content was slightly lower, mainly by increasing the silicon content of Wsi to improve performance; in addition toLuo, tungsten, vanadium alloy steel spring. In recent years, with ChinaResources, and according to the automobile, tractor design requirements of new technologies, develop new steel added boron, niobium, molybdenum and other elements in the Si Mn steel on the basis of the spring is extended service life, improve the quality of the spring.
Performance requirements
Spring in use shock and vibration or prolonged stress, so the requirements ofhigh tensile strength, high elastic limit, the fatigue strength of the spring steel.In the technology requirements of spring steel has certain hardenability, not easy removal, good surface quality carbon spring steel is carbon content of WC in the 0.6%-0.9% range of high-quality carbon structural steel. Alloy springsteel is mainly of Si Mn steel
- Q: What is the purpose of annealing in special steel production?
- The purpose of annealing in special steel production is to improve the steel's mechanical properties and reduce its internal stresses. This process involves heating the steel to a specific temperature and holding it at that temperature for a certain period of time, followed by controlled cooling. Annealing helps to enhance the steel's ductility, toughness, and machinability, making it easier to work with and ensuring consistent and reliable performance in various applications.
- Q: How are titanium alloys used in the medical industry?
- Titanium alloys are widely used in the medical industry due to their biocompatibility and excellent mechanical properties. These alloys are used to manufacture medical implants, such as joint replacements, bone plates, and dental implants, as they have a low risk of rejection by the body and can withstand the stresses of daily activities. Additionally, titanium alloys are used in surgical instruments and equipment, as they are lightweight, durable, and resistant to corrosion, ensuring patient safety and long-term performance.
- Q: What are the different grades of special steel?
- There are various grades of special steel, including stainless steel grades such as 304, 316, and 410, tool steel grades like D2, A2, and M2, and high-speed steel grades such as M42 and T15. Each grade has unique properties and applications, making them suitable for specific purposes in industries like construction, automotive, and manufacturing.
- Q: What are the main applications of special steel in the power generation equipment?
- Special steel is widely used in power generation equipment for various applications. Some of the main applications include the construction of gas and steam turbines, generator rotors, boiler tubes, and pressure vessels. Special steel's high strength, corrosion resistance, and exceptional heat resistance make it ideal for these demanding environments, ensuring the reliability and efficiency of power generation equipment.
- Q: Can special steel be used for precision instruments?
- Yes, special steel can be used for precision instruments. Special steel, known for its high strength, durability, and resistance to corrosion, is often used in the manufacturing of precision instruments such as surgical tools, watches, measuring devices, and scientific equipment. Its unique properties allow for precise and accurate performance, making it an ideal material choice for precision instruments.
- Q: What are the different nitriding techniques used for special steel?
- There are three main nitriding techniques used for special steel: gas nitriding, salt bath nitriding, and plasma nitriding. Gas nitriding involves exposing the steel to ammonia gas at high temperatures, resulting in the diffusion of nitrogen into the surface. Salt bath nitriding involves immersing the steel in a bath of molten salt containing nitrogenous compounds, allowing for nitrogen diffusion. Plasma nitriding, on the other hand, uses a low-pressure plasma to bombard the steel surface with nitrogen ions, creating a hardened layer. Each technique offers unique advantages and is chosen based on the specific requirements and properties desired for the special steel.
- Q: How is weathering steel used in outdoor structures?
- Weathering steel is commonly used in outdoor structures due to its unique ability to form a protective rust-like coating, which not only enhances its aesthetic appeal but also acts as a barrier against further corrosion. This steel is often utilized in bridges, sculptures, buildings, and other architectural elements, providing durability, strength, and a distinct rust-colored appearance that blends harmoniously with the natural surroundings.
- Q: Can special steel be used in the plastic manufacturing industry?
- Yes, special steel can be used in the plastic manufacturing industry. It can be used for various purposes such as creating molds, dies, or tools needed for plastic injection molding or extrusion processes. Special steel's high strength, durability, and resistance to wear make it suitable for these applications, ensuring efficient and precise manufacturing of plastic products.
- Q: What are the applications of high-speed steel?
- High-speed steel is widely used in various applications due to its exceptional hardness, toughness, and heat resistance. It is extensively utilized in the manufacturing industry for cutting tools, such as drills, milling cutters, taps, and reamers. High-speed steel's ability to maintain its hardness at high temperatures makes it ideal for these cutting tools, enabling them to withstand the heat generated during machining processes. Additionally, high-speed steel is also employed in the production of saw blades, knives, and punches, where its durability and sharpness are crucial for efficient cutting and shaping operations.
- Q: What are the different surface coatings applied to special steel?
- There are several different surface coatings that can be applied to special steel in order to enhance its performance and protect it from various environmental factors. Some of the common surface coatings include: 1. Galvanizing: This is a process in which a layer of zinc is applied to the surface of the steel. It provides excellent corrosion resistance and protects the steel from rusting. 2. Powder coating: This is a technique where a dry powder is electrostatically sprayed onto the steel surface and then cured under heat. It creates a hard, durable, and decorative coating that offers excellent resistance to impact, abrasion, and corrosion. 3. Paint coating: Steel can be coated with various types of paints, including epoxy, acrylic, polyurethane, and enamel. These coatings not only enhance the appearance of the steel but also provide protection against corrosion and weathering. 4. Chrome plating: This process involves electroplating a thin layer of chromium onto the steel surface. It provides excellent resistance to corrosion, wear, and abrasion, making it suitable for applications where the steel is exposed to harsh environments. 5. Ceramic coating: Ceramic coatings are applied through thermal spraying or plasma spraying methods. These coatings offer high-temperature resistance, abrasion resistance, and excellent thermal insulation properties, making them suitable for applications in industries such as aerospace and automotive. 6. Anodizing: This process is commonly used for aluminum, but it can also be applied to certain types of special steel. It involves creating an oxide layer on the surface of the steel through an electrochemical process. Anodizing provides enhanced corrosion resistance and can also be used for decorative purposes. These are just a few examples of the different surface coatings that can be applied to special steel. The choice of coating depends on the specific requirements of the application, including factors such as corrosion resistance, wear resistance, temperature resistance, and aesthetic appearance.
Send your message to us
High grade spring steel wire
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
Similar products
Hot products
Hot Searches
Related keywords
