Precision Alloy Winding Mechanism High Elastic Alloy

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10000 m
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1000000 m/month

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Product Description:

Description:
I
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(%)
CMnSiPSCrNiMoFe
3J90.22~
0.26
1.80~
2.20
1.30~
1.70
0.0300.02019.0~
20.5
9.0~
10.5
1.60~
l.85
balance

 Mechanical Property 

Alloy delivery stateDiameter/mmTensile Strength ób/MPaElongation δ10(%)
Cold draw wireO.40~0.70≥2058
>0.70~1.80≥1666
>1.80~3.50≥1470
>3.50~6.00≥1274
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)
-40~20ºC20~50ºC20~100ºC20~200ºC20~300ºC20~400ºC
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)
H=40000A/mH=80000A/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(%)
HV
Alloy state
02743628295
Cold state270~300340~360380~400420~450470~5005l0~540
Cold state+480ºC×3h230~260390~420440~4805lO~550570~590600~620


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