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Packaging & Delivery

Packaging Detail:inner packing: PE bag, outer packing: corrugated carton or box due to customer's requirement
Delivery Detail:two weeks


torsion springs
1.Wire Dia.0.08mm-4.5mm
2.Material:SUS SWC CU
3.Standard:ISO9001 ROHS SGS

 torsion springs 

 Product details

1.Wire dia.








5.Lead time

within two weeks

6.Supply ability

300,000 sets


inner PE bag to outer carton 



9.Endurance Limit

50,000,000 times



11.Load type


12.Period validity

one year



How to order

1.Pls send me your drawing or sample

2.We offer you our best price

3.After you confirmed the price,we start to prepare the sample(usually within one week)

4.After you confirmed the sample,you place an order 


We import the most sophisticated computer compression spring machine from Taiwan; it can

do 100 percent inspection to spring length, which ensured the spring quality stable and precise.


Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:Is the car short spring good?
The factory is a hydraulic cylinder, and the damping force and the length of the expansion are matched with the length of the spring and the telescopic distance. Instead of changing the short spring will increase the load of the original vehicle hydraulic shock absorber, shock quickly destroy.
Q:What's the manganese content of spring steel?
Manganese content in spring steel is divided into general manganese content (mass fraction) (0.50%~0.80%), such as 65, 70, 85 and higher manganese content (mass fraction) (0.90~1.20%), such as 65Mn two.Excellent performance with spring steel, spring steel has excellent metallurgical quality (high purity and uniformity), good surface quality (strict control of surface defects and decarburization, precise shape and size).The spring steel is classified according to the chemical compositionAccording to GB/T 13304 standard, spring steel is divided into non alloy spring steel (carbon spring steel) and alloy spring steel according to its chemical composition.
Q:How should we choose the spring material?
In determining the material section, shape and size, should be preferred in the national standard and standard series size, try to avoid using non standard materials.
Q:Displacement problems in a spring oscillator
In short, in vibration and wave, it is not easy to make mistakes when we grasp the difference and relationship between "displacement" and "displacement relative to the balance position"
Q:How about the size of the elasticity?
Spring elastic deformation, the elastic limit, the elastic force with the elongation of the spring (or shorten) is proportional to the length (or the length of the spring and the pulling force is proportional to F=-kx (), or delta F=-k delta x). Where k is called the coefficient of stiffness (as a coefficient of rigidity or elasticity) of a spring, in numerical terms equal to the elasticity of a spring when it is stretched (or shortened) in unit length. The unit is Newton per meter, and the symbol is N/m. The K value is related to the nature of the material. The difference between the stiffness and stiffness of springs is that they have different stiffness coefficients. Moreover, the stiffness coefficients of different springs are generally different. The expression in the sign spring caused by its elongation (or compression) in the opposite direction. The law was discovered by British scientist Hooke, known as Hooke's law.
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:What's the spring material to?
65Mn, 55Si2Mn, 60Si2Mn, 50CrVA, 75, 85, 55CrMnA, 60Si2CrVA, 60Si2MnA, 70, 65, 50CrMo, 55SiMnMoVNb, 60SiMnMoA, 65Si2MnWA, 70Si3MnA, and so on
Q:What is flat steel? Plain carbon flat steel? Spring flat steel
It is the name of a steel produced according to a certain specification, such as angle steel, channel steel, etc. ordinary carbon flat steel and spring flat steel are different materials used to make flat steel
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:What is spring pressure and height?
Press the compression spring to the point where each circle is tight. Press it and press it high

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