Best Serpentine Spring

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Specifications

1. High quality
2. OEM experience: 30 years
3. Wire dia:4.0mm
4. Widely used in sofa
5: Material: spring steel

Quality Steel Serpentine Spring

Material	steel
Wire Dia	4.0mm
Range of application	sofa
Exported market	Canada, Europe
Certificates	ISO9001:2000, ISO14001:2004, ISO/TS16949:2009
After-sale service	We offer the technical guidance of spring application and help to debug it.

1.Factory: Our factory is a leading manufacturer of precise springs in Zhuji city, Zhejiang province.

2. Brand:"Wuxie" series contain many different kinds of springs, such as compression springs, torsion springs, extension springs, curved springs, etc. And, we also provide various kinds of spring components, such as hose clamps, spring hangers and so on.Cooperation with famous brand like Panasonic, BMW,our enterprise established long and stable relationship with many famous brands.

3. High quality:With the certificates of ISO9001:2000, ISO14001:2004, ISO/TS16949:2009, we are devoted to offering the best products and service to all our customers around the world.

4. Advanced technology: we have the most advanced technological level in this industrial field and we have engineering staff and computer software to offer design assistance, problem solving and prototype production.

5. Leading production line:We have seperately world-class suspension spring,clutch spring and engine valve spring production line.

6.Packing: Inner plastic bags and outer corrugated cartons,wooden boxes or as per customer's requirement

Q: Is spring steel manganese steel?: With wings are not necessarily the "angel", also may be "bird". Steel not containing Mn elements is called manganese steel. Manganese steel refers to those with high strength steel, mainly used for impact, friction and extrusion, mainly wear and tear.

Q: The glass door spring is generally guaranteed for several years: but once you change the maintenance fees are higher than the artificial spring spring price itself

Q: Hydraulic diagram of the one-way valve has two kinds of drawing, with a spring, without a spring, what is the difference between automatic reset function is not? Without a spring, it will not be repeated: Most of the one-way valves are springs, but the springs are usually soft and the flow resistance can be neglected. Normally, a one-way valve with a pressure of more than 0.3 MPa draws a spring mark on the hydraulic schematic.

Q: What kind of production equipment does spring factory usually have?: Multi function forming machine, coil spring machine, 580 press spring machine, extension spring machine, etc.Small heat treatment is also needed

Q: What is flat steel? Plain carbon flat steel? Spring flat steel: Section steel is one of the four major steel products (plate, tube, mould, wire). According to the section shape, the section steel is divided into simple section steel and complex section steel (deformed steel). The former refers to the steel, round steel, flat steel, angle steel, six angle steel; the latter refers to the I-beam, channel steel, steel, steel, steel frame bending etc.. Square, square section steel, cold and hot points in two; length of hot-rolled square steel 5-250mm; cold drawn steel length 3-100mm. Round - round section steel, hot, forged and drawn three, hot-rolled bar diameter 5-250mm, which 5-9mm used as drawing steel wire material, called wire; due to disk supply is also called hot rod. Forged round steel is thicker, used as axle billet. Cold drawn round steel diameter 3-100 mm, high dimensional accuracy. Flat - width 12-300mm, thickness 4-60mm, cross section is rectangular and with pure edge of steel. Flat steel can be finished steel, or can be used as the blank of welded pipe and thin slab for laminated sheet rolling. Angle steel -- two kinds of grade angle steel and unequal angle steel. The dimension of angle iron is expressed by the dimension of the length of side and the thickness of edge. The standard angle steel, usually produced, is 2-20, which is the centimeter side length. Such as 5 equal angles, that is, the length of 5cm (50mm) angle steel. The same horn steel often has 2-7 different edge thickness. Steel bars are not the classification of profiled steel. First, the basic concepts of ferrous metals, steels and nonferrous metals are briefly introduced before introducing the classification of steels, ferrous metals, steels, and nonferrous metals. 1. Ferrous metals are alloys of iron and iron. Such as steel, pig iron, iron alloy, cast iron and so on. Steel and pig iron are both...

Q: What's the manganese content of spring steel?: Alloy spring steelAlloy spring steel is based on carbon steel, by properly adding one or more alloying elements to improve the mechanical properties, hardenability and other properties of the steel, to meet the requirements of the manufacture of various springs of steel.The basic composition of series alloy spring steel, spring steel, silicon manganese chromium chromium manganese spring steel, spring steel, spring steel, chromium vanadium tungsten chromium vanadium spring steel. On the basis of these series, some brands added alloying elements such as molybdenum, vanadium or boron in order to improve their performance in some aspects.In addition, other grades of steel, such as quality carbon structural steel, carbon tool steel, high speed tool steel and stainless steel, are selected as spring steel.

Q: Cold rolled coil spring spring and difference ": The main production process is different, the compression spring as an example:The typical process of coil spring: blanking - end processing (rolled or forged flat) - heating - - - quenching - tempering spring roll grinding end - compressor (load - Test), shot peening (cleaning) - coating.Cold roll spring does not require heat treatment of material roll, point line process: rolling, annealing, stress to both ends of the surface grinding, (blast), (the whole school), (BKS), standing or forcing treatment, surface inspection and treatment.Coil spring is mainly used for rolling large spring, heating easily after twisting forming, springback is smaller, molding after quenching and tempering treatment.The cold coiling spring is directly coiled with spring steel wire, and the resilience is greater, and the winding tools need to consider the springback compensation amount and roll into the direct tempering process.

Q: How to process Spring Steel: The available oxygen converter furnace and open hearth furnace or general production of spring steel; high quality spring steel or better quality with special properties, furnace or vacuum refining furnace. The content of carbon, manganese, silicon and other major elements in spring steel is narrow, and the chemical composition must be strictly controlled during smelting. When the silicon content is high, it is easy to form bubbles and other defects. After the ingot is rolled and rolled, the cooling is not easy. Therefore, the raw materials used for smelting must be dry, as much as possible to remove gas and inclusions, and to avoid overheating of the steel.

Q: What are the main functions of spring?: The storage and release of energy, for example, the clock spring bolt spring

Q: The glass door spring is broken. How much would it cost to change it?: The ground springs are not expensive, they are artificially expensive. It won't cost more than 300 yuan, depending on where you are. For example, 180-220 people will do it in the county. In the township, then you do not want to do aluminum alloy will not exceed 200

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