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From Factory Glass Sealing Alloy Strip Kovar/Dilver Po/ 4j29

China From Factory Glass Sealing Alloy Strip Kovar/Dilver Po/4j29, Find details about China Kovar, Dilver Po from From Factory Glass Sealing Alloy Strip Kovar/Dilver Po/4j29

Model NO.
4J29
Status
Annealling Bright
Type
Strip,Sheet
Density
8.2g/cm3
Resistivity
0.48ohmmm2/M
Common Name
Kovar, Nilo K, Kv-1, Dilver Po, Vacon 12
Curie Point
430
Elastic Modulus
138
Trademark
UALLOY
Transport Package
Wooden Case
Specification
>10mm
Origin
Hangzhou
HS Code
7226999001
Model NO.
4J29
Status
Annealling Bright
Type
Strip,Sheet
Density
8.2g/cm3
Resistivity
0.48ohmmm2/M
Common Name
Kovar, Nilo K, Kv-1, Dilver Po, Vacon 12
Curie Point
430
Elastic Modulus
138
Trademark
UALLOY
Transport Package
Wooden Case
Specification
>10mm
Origin
Hangzhou
HS Code
7226999001
From factory Glass Sealing Alloy Strip Kovar/Dilver Po/4J29

(Common Name: Kovar, Nilo K, KV-1, Dilver Po, Vacon 12, ASTM F15, W.Nr 1.3912, UNS K94610 Ni29Co18)
 
FeNiCo Glass Sealing Alloys
Grade4J29,4J44
SizeStrip:(0.03-0.1)mm*(180-250)mm
(0.1-1.0)mm*(10-250)mm
(1.0-3.0)mm*(100-250)mm
Wire:0.1-6.0mm
Bar:20-100mm(Hot forging)
       2.0-20mm(Cold drawing)
FeaturesIt has a certain linear expansion coefficient in the temperature range of -60ºC ~ + 400ºC, which can be matched with hard glass to seal firmly
ApplicationSuitable for electric vacuum components and emission control, shock tube, igniting tube, glass magnetron, transistors, seal plug, relay, integrated circuits lead, chassis, brackets and other housing sealing.

Normal composition%
GradeCPSMnSiCuCrMoNiCoFe
4J29≤0.03≤0.02≤0.02≤0.5≤0.3≤0.2≤0.2≤0.228.5-29.516.8-17.8Bal.
4J44≤0.03≤0.02≤0.02≤0.5≤0.3≤0.2≤0.2≤0.234.2-35.28.5-9.5Bal.

Tensile Strength, MPa
Code of conditionConditionWireStrip
RSoft≤585≤570
1/4I1/4 Hard585~725520~630
1/2I1/2 Hard655~795590~700
3/4I3/4 Hard725~860600~770
IHard≥850≥700

Typical Physical properties
Density (g/cm3)8.2
Electrical resistivity at 20ºC(Om*mm2/m)0.48
Temperature factor of resistivity(20ºC~100ºC)X10-5/ºC3.7~3.9
Curie point   Tc/ ºC430
Elastic Modulus,  E/ Gpa138

Coefficient of expansion
θ/ºCα1/10-6ºC-1θ/ºCα1/10-6ºC-1
20~607.820~5006.2
20~1006.420~5507.1
20~2005.920~6007.8
20~3005.320~7009.2
20~4005.120~80010.2
20~4505.320~90011.4

Thermal conductivity
θ/ºC100200300400500
λ/ W/(m*ºC)20.621.522.723.725.4
 
The heat treatment process
Annealing for stress reliefHeated to 470~540ºC and hold 1~2 h. Cold down
annealingIn vacuum heated to 750~900ºC
Holding time  14 min~1h.
Cooling rateNo more than  10 ºC/min cooled to 200 ºC

Style of supply
From Factory Glass Sealing Alloy Strip Kovar/Dilver Po/4j29
Packing and Shipping
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FAQ

1. What's the minimum quantity customer can order?
If we have your size in stock, we can provide any quantity you want.
If the size is not in stoct, our MOQ will be about 30kgs.

2. How can you pay for small sample amount?
We have Western union account, wire transfer for sample amount also ok.

3. Customer do not have express account. How will us arrange the delivery for sample order?
Just need to provide your address information, we will check the express cost, you can arrange the express cost together with sample value.

4. What's our payment terms?
We can accept LC T/T payment terms, it also depending on delivery and total amount. Let's talk more in details after getting your detailed requirements.

5. Do you provide free samples?
If you want several meters and we have stock of your size, we can provide, customer need to bear the International express cost.

6. What's our working time?
We will give you reply through email/phone Online contact tool within 24 hours. No matter working day or holidays.

 

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