Precision Alloy Winding Mechanism High Elastic Alloy

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10000 m
Supply Capability:
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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I am sorry to understand the wrong. This may not help you.
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As long as you look beautiful on the line, there is no prescribed height, close to the ceiling in the installation may be some inconvenience, you can empty a 4-5 cm, you said the four lines do not know what Meaning, is the four lines or two calculations for a group of eight lines, such as only four lines with 15 * 10 on the line, 8 lines with 25 * 10 or 25 * 13. General home open and leakage insurance , The total open 2P empty first open 40A or 63A, there are multiple lights so that each street light selection of 10A open, only a light selection of 16A open air, leakage insurance generally use 16A to 20A.
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Do not have sets, with some sand buried on the line covered with a layer of brick
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Q:How the satellite receiver and the DVD are connected to the TV at the same time
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Q:How did the wires cut off in the wall?
Set-top box is not and vcd are red and white and yellow video cable inserted on the TV? The The So, with the TV's original remote control tv / av button (TV / video conversion key, some tv / video), you can switch the set-top box, vcd, not plug the device video (display black or TV brand logo blue screen), analog TV (Display snow or TV brand logo blue screen) and several other state cycle switch. Press this button on it, but because of plug-in box, vcd can be inserted in any audio and video jack on the TV, so a button did not switch to vcd, press a few times. If the TV can only plug a group of red and white yellow line, you have to set the box off, and then pull off the line, and then plug in vcd red and white yellow line. Do not understand, take a closer look at the TV, vcd said that the operation to save the main chewing fork wedge often blind, it is not to play digital TV customer service phone help.
Q:YJV three-core cable and the difference between the four-core cable
75 flat cable, copper, aluminum to withstand the rated current are: copper 240-300A; aluminum: 170-220A specific applications, and the working environment, carrying current duration, carrying voltage related. The following table can be used as reference industry also has formulas, for the use of the site estimates, not in the engineering design, standard production use. . copper cable carrying capacity dictation: (estimated value) 2.5 times multiplied by nine, up by a straight walk; thirty five by 3.. both groups of five points; , High temperature Jiujiang copper upgrade; pipe root number two three four, eight seven six fold full load. . aluminum core cable carrying capacity dictation: (estimated value) aluminum core insulation line with the capacity of the multiples of the relationship between the number of five, 100 on the second, .. four, three circles, ... Wear, temperature, eight, nine fold; bare wire plus half; copper upgrade operator.

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