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Contact Person :
Ava
Phone Number :
0086 17768523827
WhatsApp :
+8618706170710
4J50 Alloy Steel Products UNS K94610 4J29 Kovar Capillary Tube
| Place of Origin | CHINA |
|---|---|
| Brand Name | OEM/ODM |
| Certification | ISO |
| Model Number | 4J32/4J36/4J38/4J40 |
| Minimum Order Quantity | 5 ton |
| Price | negotiable based on the quantity |
| Packaging Details | Standard seaport packing or as custom request |
| Delivery Time | 10-30 days |
| Payment Terms | T/T, Western Union, L/C |
| Supply Ability | 6000 tons per month |
Contact me for free samples and coupons.
Whatsapp:0086 18588475571
Wechat: 0086 18588475571
Skype: sales10@aixton.com
If you have any concern, we provide 24-hour online help.
xProduct Details
| Grade | Precision Alloy | Material | 4J50 |
|---|---|---|---|
| Resistance (μΩ.m) | Low | Elongation (≥ %) | As Standards |
| Ni (Min) | As Standards | Technique | Cold Rolled Hot Rolled |
| Shape | Ring,pipe,tube,plate,cake,wire,ect | Surface | Black Surface Or Bright Surface |
| Application | Many Kinds Of Industry Field | ||
| High Light | UNS K94610 4J29 Kovar Capillary Tube,4J29 Alloy Steel Products,4j29 Kovar Alloy Tube |
||
Product Description
4J29 ( Kovar ) 4J32 4J33 4J34 4J36(Invar ) 4J50 Capillary Tube
Kovar/4J29/UNS K94610/W.Nr.1.3912
Kovar is a Nickel-Cobalt-Iron alloy that has compatible thermal expansion characteristics to Borosilicate Glass. This property allows Kovar to maintain a mechanical connection to the glass over a range of temperatures. Etched Kovar parts are commonly used for step lids, carriers, covers and electronic shims.
Kovar/4J29 Alloy Material Chemical Composition %
|
|
C
|
Si
|
Mn
|
P
|
S
|
Ni
|
Fe
|
Cu
|
Cr
|
Co
|
Mo
|
|
Max
|
0.03
|
0.3
|
0.5
|
0.02
|
0.02
|
28.5/29.5
|
bal
|
0.2
|
0.2
|
16.8/17.8
|
0.2
|
Kovar/4J29 Mechanical property & Physical properties:
|
Yield Strength(Mpa)
|
Tensile Strength(Mpa)
|
Elongation(%)
|
Hardness(HRC)
|
Density
|
|
344
|
517
|
30%
|
78HB
|
8.36g/cm^3
|
Supply scope
Wire: Φ0.06∼10mm Surface: Bright and oxidation
Bar: Φ12∼200mm Surface: Bright and oxidation
Sheet: δ=1∼20*15∼350mm
Coefficient of Thermal Expansion (Nominal):
Bar: Φ12∼200mm Surface: Bright and oxidation
Sheet: δ=1∼20*15∼350mm
Coefficient of Thermal Expansion (Nominal):
|
℃
|
20-200
|
20-300
|
20-400
|
20-450
|
20-500
|
20-600
|
20-700
|
20-800
|
|
10^-6/℃
|
5.9
|
5.3
|
5.1
|
5.3
|
6.2
|
7.8
|
9.2
|
10.2
|
Kovar/4J29 Applied field:
1. Kovar alloy has been used for making hermetic seals with the harder Pyrex glasses and ceramic materials.
2. This alloy has found wide application in power tubes, microwave tubes, transistors and diodes. In integrated
circuits, it has been used for the flat pack and the dual-in-line package
circuits, it has been used for the flat pack and the dual-in-line package
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. 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.
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. 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.
3. 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.
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.
4. 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.
If you want several meters and we have stock of your size, we can provide, customer need to bear the International express cost.
5. 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.
We will give you reply through email/phone Online contact tool within 24 hours. No matter working day or holidays.
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