Name: 7873ebd52600fd192ac0044c76d6c375
Uploaded: 2025-03-13T02:09:42+08:00
Description: 4J29 Kovar alloy, also known as Kovar alloy or ASTM F15 alloy, is an iron-nickel-cobalt alloy with unique thermal

4J29/UNS K94610 kovar alloy wire/ bar/ strip/ plate

Payment Type:T/T,L/C,Paypal

Incoterm:FOB,CFR,CIF,EXW,FCA

Transportation:Ocean,Land,Air,Express

Port:SHANGHAI

Product Attributes
Supply Ability & Additional Information
Packaging & Delivery
Other information

Product Attributes

Model No.: UNS K94610, W.Nr1.3981, FeNi29Co17

Brand: HDF

Place Of Origin: China

Whether Powder: Not Powder

Supply Ability & Additional Information

Packaging: standard export packing, plastic film inside, wooden pallets outside , choose the suitable packing

Productivity: 20 Metric tons per month

Transportation: Ocean,Land,Air,Express

Place of Origin: China

Supply Ability: 20 Metric tons per month

Certificate: ISO9001

Port: SHANGHAI

Payment Type: T/T,L/C,Paypal

Incoterm: FOB,CFR,CIF,EXW,FCA

Packaging & Delivery

Selling Units:

Kilogram

Package Type:

standard export packing, plastic film inside, wooden pallets outside , choose the suitable packing

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7873ebd52600fd192ac0044c76d6c375

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3c9f7de7e34c944b2643735acd42806b

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cdff500bd931c79846e1139cf5034880

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4J29 Kovar alloy, also known as Kovar alloy or ASTM F15 alloy, is an iron-nickel-cobalt alloy with unique thermal expansion properties and excellent mechanical properties. It plays a vital role in high-tech industries, especially in the fields of electric vacuum industry, aerospace, electronic packaging, etc. Its preparation includes smelting, casting, heat treatment, etc. Processing requires appropriate parameters, and heat treatment can optimize performance.

CHEMICAL COMPONENT

Element	Ni	Co	Fe	Si	Mn	C	S	P
%	28.5-29.5	16.8-17.8	Bal	≤0.30	≤0.50	≤0.005	≤0.02	≤0.02

PHYSICAL & MECHANICAL PROPERTIES

Density	Melting	Tensile strength	Yield strength	Elongation
8.3 g/cm³	1450°C	550 MPa	325 MPa	20%

APPLICATION AREA

1. Electric vacuum industry: In the manufacture of electric vacuum components such as transmitting tubes, oscillating tubes, igniting tubes, magnetrons, transistors, etc., 4J29 alloy is used as the main sealing structure material to achieve tight sealing with hard glass to ensure the airtightness and reliability of components.

2. Aerospace field: Due to its excellent mechanical properties and stable dimensional changes, 4J29 alloy is widely used in the aerospace field, such as for the manufacture of satellite structures, rocket engines and other high-temperature components.

3. Electronic packaging field: In the packaging of electronic devices such as integrated circuits and electronic tubes, 4J29 alloy can provide stable size and performance, protecting electronic components from thermal stress.

4. Medical device field: In the manufacture of medical devices such as artificial heart valves and prostheses, 4J29 alloy is favored for its good biocompatibility and mechanical properties.