Supply of foreign white belt, the foreign white belt, Nickel Silver with Nickel Silver with Nickel Silver with

 Hanlin Metal Materials Co., Ltd. is located in Dongguan City in prosperity steel mold, Dongguan City Changan, covers an area the size of about 6,500 square meters; inception has been for the purpose of quality first, sales of imported tungsten steel (alloy), non-ferrous metals (aluminum timely delivery, copper alloy, electrode material) steel (HSS. powder steel .. tungsten steel, plastic mold steel, the metal mold steel. die-casting mold steel alloy tool steel. complete copper varieties stable quality price. and so on. has steel sheet finishing machinery, large grinding machine, large systems grinder, large-scale integration milling machine, the processability standard milling steel plate, and the introduction of advanced heat treatment vacuum furnace to provide a wide range of one-stop service for the new and old customers! welcome call, we will be happy to serve you! Product Description spring steel is due to the flexibility of the quenched and tempered condition, which are specialized for the manufacture of steel springs and elastic components. elasticity of steel depends on its ability to elastic deformation, ie within the predetermined range, the elastic deformation of the ability to make it withstand certain loads without permanent deformation, after load removal. spring steel should have good overall performance, such as mechanical properties (in particular of elastic limit, ultimate strength, flexor intensity ratio), anti-bomb reduced performance (ie anti elasticity diminished performance, also known as anti-relaxation properties), fatigue properties, hardenability, physical and chemical properties (heat resistance, low temperature resistance, anti-oxidation, corrosion, etc.) in order to meet the above performance requirements, spring steel having excellent metallurgical quality (high purity and uniformity), and good surface quality (strict control of surface defects and decarburization), the exact shape and size according to the steel classification standards, in accordance with the basic performance and use characteristics, carbon spring steel mechanical structural steel;, is a special quality steel in accordance with the quality level required in the production process strictly control the quality and performance of steel, special steel, spring steel classification in accordance with our habits. carbon content (by mass) of the the prime spring steel carbon spring steel is generally 0.62% to 0.90% manganese content is divided into general manganese content (mass fraction) (0.50% to 0.80%) as 65,70,85 higher manganese content (mass fraction) (0.90 ~ 1.20%), such as the 65Mn two categories. 2. alloy spring steel, spring steel alloy is on the basis of the carbon steel, by appropriately adding one or several alloying elements to improve the steel of mechanical properties, hardenability and performance to meet the performance required for manufacturing various spring steel alloy spring steel composition series, silico-manganese spring steel, spring steel silicon chromium, the chrome manganese spring steel, chrome vanadium spring steel, tungsten, chromium vanadium spring steel and some grades in order to improve certain aspects of its performance on the basis of these series, the added alloying elements such as molybdenum, vanadium or boron. Also, other types of steel, such as high quality carbon prime structural steel, carbon tool steel, high speed tool steel, stainless steel, to select some grades as spring steel, spring steel Overview springs used in shock, vibration, or long-term cross-stress, so they requested that the spring steel with high tensile strength, elastic limit, high fatigue strength. process requirements of spring steel hardenability difficult to decarburization, good surface quality carbon spring steel, carbon content of WC in the range of 0.6% -0.9% quality carbon structure steel alloy spring steel is a silicomanganese based steels, the carbon content thereof is slightly lower, mainly to improve performance by increasing the silicon content Wsi; addition Ge, tungsten, vanadium, an alloy spring steel. recent years, combined with our resources, silico-manganese steel based on adding new elements such as boron, niobium, molybdenum steels and in accordance with the requirements of cars, tractors and the design of new technologies, developed to extend the life of the spring, spring quality spring steel is designed to create a variety of spring and the elastic member or the like of the structural components of the performance requirements of the primary material. 1. performance requirements ① high elastic limit σe and yield ratio σs of / strength σb in order to guarantee the excellent elastomeric properties, namely to absorb a large amount of elastic energy without plastic deformation; the ② higher fatigue limit, fatigue is one of the most important failure modes of the spring, and fatigue performance except with the composition of the steel structure, mainly by the steel metallurgical quality (such as non-metallic inclusions) and spring surface Mass (decarburization) impact; ③ sufficient ductility and toughness, to prevent the impact fracture; ④ Other properties, such as good heat treatment and plastic working property, under special conditions of heat resistance or corrosion resistance requirements. the content and the role of carbon and alloying elements in steel. compositional characteristics: (1), high carbon, carbon spring steel wc = 0.6% to 0.9%, the alloy spring steel wc = 0.45% ~ 0.70%, after quenching Canada and tempering tempering troostite organizations can better guarantee the spring of performance requirements. (2) general purpose alloy spring steel alloying elements are generally low-alloy steel. primary plus elements of Si, Mn, Cr its main role is to improve the hardenability, solid solution strengthening of the matrix and improve the tempering stability; auxiliary elements of Mo, W, V and other strong carbide forming elements, the main role to prevent Si caused by decarburization defects, Mn cause overheating defects and improve the tempering stability and heat resistance. Hanlin Metal Materials Co., Ltd. is located in Dongguan City, the prosperous steel mold areas Dongguan City Changan, covers an area the size of about 6,500 square meters; inception has been for the purpose of quality first, sales of imported tungsten steel (carbide) non-ferrous metals (aluminum, copper alloy, electrode material) steel (high-speed steel powder steel .. tungsten steel, plastic mold steel, the metal mold steel. die-casting mold steel, alloy tool steel. copper, full range of stable quality price, timely delivery, etc. The company has a steel sheet finishing machinery, large grinding machine, large systems grinder, large-scale integration milling machine, the processability standard milling steel plate, and the introduction of state-of-the-art vacuum heat treatment furnace provide a wide range of one-stop service for the new and old customers welcome to call, we will be happy to help you! Product Description spring steel is due to the flexibility of the quenched and tempered condition, specifically for the manufacture of springs and elastic components Steel Steel elastic depending on its ability to elastically deformable, i.e. within the predetermined range, the elastic deformation of the ability to subject it to a certain load, the load does not appear after removal permanent deformation. spring steel should have good overall performance , such as mechanical properties (especially elastic limit, ultimate strength, yield ratio), anti-bomb reduced performance (ie resistance to decreased elasticity properties, also known as anti-relaxation properties), fatigue properties, hardenability, physical and chemical properties (heat low temperature resistance, anti-oxidation, corrosion, etc.) in order to meet the performance requirements, spring steel has excellent metallurgical quality (high purity and homogeneity), good surface quality (strict control of surface defects and decarburization), precise shape and size according to the the steel classification "standard, in accordance with the basic performance and use characteristics, spring steel belonging to steel for machine structure; belong to a special quality steel in accordance with the quality grade, i.e. in the production process requires special strict control of the quality and performance of the steel spring steel in accordance with our habits, a special steel classification. carbon spring steel carbon spring steel carbon content (mass fraction) is generally in the range of 0.62% to 0.90% manganese content is divided into general manganese content (mass fraction) (0.50% to 0.80%) 65,70,85 and higher manganese content (mass fraction) (0.90 to 1.20%), such as 65Mn two categories. 2 alloy spring steel, alloy spring steel on the basis of carbon steel appropriate to join one or more alloying elements to improve the mechanical properties of the steel, hardenability and performance to meet the manufacturing performance required by the various spring steel alloy spring steel composition series, silicon manganese spring steel , silicon chromium spring steel, spring steel of chromium manganese, chromium vanadium spring steel, tungsten, chromium vanadium spring steel, etc. In some grades on the basis of these series is added in order to improve the performance of certain aspects of its molybdenum, vanadium or boron, etc. alloying elements., but also from other types of steel, such as high-quality carbon structural steel, carbon tool steel, high speed tool steel, stainless steel, choose some grades as spring steel spring steel Overview spring shock, vibration, or long-term cross-stress use, so they requested that the spring steel with high tensile strength, elastic limit, high fatigue strength spring steel hardenability in the process, is not easy to decarburization, good surface quality carbon spring steel carbon content WC in the range of 0.6% -0.9% quality carbon structural steel alloy spring steel, silico-manganese-based steels, the carbon content is slightly lower, mainly by increase the the silicon content Wsi improve performance; addition to Ge, tungsten , vanadium alloy spring steel. recent years, combined with the country's resources, the requirements of the new technology and designed automobiles, tractors, silico-manganese steel based on adding new elements such as boron, niobium, molybdenum steels developed, extended spring life, improved spring quality spring steel is designed to manufacture all kinds of springs and elastic components or similar performance requirements of the structural components of the main material. performance requirements ① high elastic limit σe and flexor ratio σs / σb to guarantee the excellent elastomeric properties, i.e. be able to absorb large amounts of elastic without plastically deformed; ② a high fatigue limit, the fatigue is the most important one of the failure modes of the spring, fatigue properties except with the composition of the steel structure, but also mainly by the metallurgical quality of the steel (such as non-metallic inclusions) and spring surface quality (such as decarburization) impact; ③ sufficient ductility and toughness to prevent impact fracture; ④ The other properties, such as good heat treatment and plastic working property, special conditions working under the heat resistance or corrosion resistance requirements, etc. 2. carbon content of alloying elements in the steel of the composition characteristics and effect as follows: (1), high-carbon Average carbon spring steels WC = 0.6% ~ 0.9% the Alloy Spring Steel wc = 0.45% to 0.70% after quenching and tempering after tempering troostite organizations can better ensure the performance requirements of the spring. (2) general purpose alloy spring steel alloying elements generally low alloy steels. main plus elements Si, Mn, Cr, etc., whose primary role is to improve the hardenability, the solid solution strengthening of the matrix and to improve the tempering stability; auxiliary plus elements of Mo, W, V and other strong carbide forming elements , the main role to prevent decarburization defects caused by the Si, Mn caused overheating defects and to improve the tempering stability and heat resistance, etc..