Precision Alloy Winding Mechanism High Elastic Alloy

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Product Description:

t is very good material for manufacturing watch and clock, timer and other elastic elements.

Please feel free to send us a inquiry and we are looking forward to cooperating with you!


Before you send us a inquiry, please confirm the following information

1. Alloy grade      

2. Dimensions of the alloys   

3. Surface requirements                                 

4. Size tolerance requirement    

5. Quantities                                            

6. Package request  

7. Specific end use                                      

8. Other information that may be useful in supplying the most suitable products


GradeChemical Composition(%)

 Mechanical Property 

Alloy delivery stateDiameter/mmTensile Strength ób/MPaElongation δ10(%)
Cold draw wireO.40~0.70≥2058
Soft hot rolled wire8.00~12.00≤835>40

physical properties
Average linear expansion coefficient in different temperature range

Alloy stateAverage linear expansion coefficient /(106/K)
solution treatment16.4~17.615.4~16.O16.0~16.416.3~16.716.8~17.217.3~17.7
solution treatment+aging17.1~18.116.5~18.216.0~16.216.3~16.516.7~16.917.2~17.3
Cold draw18.014.6~15.615.9~16.416.7~16.816.8~17.217.2~17.4
Cold draw+aging17.8~18.115.5~15.915.9~16.116.3~16.516.6~16.917.2~17.4

Elasticity modulus and frequency temperature coefficient

Alloy stateelasticity modulusE/MPashear modulus G/MPafrequency temperature coefficient βf/(106/ºC)30~50ºCQ20ºC
solution treatment186500~19600072500~74500-190~-21017000~19000
solution treatment+aging186500~19600073500~74500-190~-21015000~18000
Cold draw166500~17650068500~71500-200~-2405000~6000
Cold draw+aging181500~19600073500~75500-190~-21014000~17000

The magnetic permeability and resistivity of the alloy 3J9

Alloy statemagnetic permeabilityμ/(mH/m)Resistivity ρ/(μΩ@m)
solution treatment0.0012589~0.0012595O.0012589~O.0012595_
solution treatment+550ºC×4h0.0012594~O.0012596O.0012594~O.0012596_
solution treatment+≥43%deformation rateO.0012602~O.0012624O.0012602~0.00126240.87~O.88
solution treatment+≥43%deformation rate+480ºC×3hO.0012615O.00126140.84~O.86

The vickers hardness of the alloy

deformation rate(%)
Alloy state
Cold state270~300340~360380~400420~450470~5005l0~540
Cold state+480ºC×3h230~260390~420440~4805lO~550570~590600~620

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National electrical code calls for a 20 amp circuit for a laundry room.This circuit is for the laundry room outlets only. The 20 amp circuit is run on #12-2 gauge wire. If the dryer is gas you can plug in washer and dryer on this circuit no problem. If the dryer is electric ,you have to run a # 10-3 gauge wire for it.The electric dryer will need a 2 pole 30 amp breaker. Always other ways of doing things but this is the correct way.Good luck.
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Q:How can you tell if a technician drilled a hole into an important electrical wire?
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