Kovar Rod Kovar Alloy Kovar 4j29

Product Details:
Place of Origin: China
Brand Name: JINXING
Certification: ISO 9001
Model Number: Kovar Rod Kovar Alloy Kovar 4j29
Payment & Shipping Terms:
Minimum Order Quantity: 5kgs
Price: US $25-100/ kg
Packaging Details: Plywood case
Delivery Time: 5~15days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 10000kgs/M

Detail Information

Model Number: 4J29 Kovar Name: Kovar Rod Kovar Alloy Kovar 4j29
Application: Industry, Glass And Ceramic Sealing With Kovar Alloy Appearance: Bright Surface
Material: FeNiCo Alloy Shape: Bar Flat Bar Wire Rod
High Light:

ni based superalloys


nickel based superalloys

Product Description

Kovar Rod Kovar Alloy Kovar 4j29

Kovar Rod is used for high-power transmitting valves, transistor leads and headers, integrated-circuit lead frames, and photography flash bulbs. UNS K94610 Werkstoff Nr 1.3981 DIN 17745 ASTM F 15 AMS 7726 Wire AMS 7727 Bars and Forgings AMS 7728 Sheet, Strip and Plate MIL-I-23011 class 1 AFNOR NF A54-301 S.E.W 385 DILVER P



Kovar Rod is made up of 29% nickel, 17% cobalt, .2% silicon, .3% manganese and 53.5% iron. Kovar is known for its low coefficient of thermal expansion. Kovar end uses are usually glass sealing in the electronics industry.


Kovar Rod Picture:

Kovar Rod Kovar Alloy Kovar 4j29 0Kovar Rod Kovar Alloy Kovar 4j29 1Kovar Rod Kovar Alloy Kovar 4j29 2

Alloy Name Trade Name UNS # British Spec American Spec German Spec French Spec
Alloy K Kovar
Nilo K
UNS K94610   ASTM F15
AMS 7726
AMS 7727
MIL-I-23011C Class 1
1.3981 AFNOR NF A54-30


Russia USA England Japan Franch Germany
29HK kovar Nilo K KV-1 Dilvar P0 Vacon 12
29HK-B Rodar
Techallony Glasseal29-17
Teleaseal KV-2
Dilver P1 Silvar

Content Composition %

C P S Mn Si Cu Cr Mo Ni Co Fe
Less than
0.03 0.02 0.02 0.5 0.3 0.2 0.2 0.2 28.5-29.5 16.8-17.8 Rest

Physical properties

Density g/cm3 8.25
Curie Point 430
Resistivity ? m 0.48
Tensile strength Mpa Cold state  
Annealing 520
Yield strength Mpa Cold state  
Annealing 330
Elongation % Cold state  
annealing 30
Type Size/mm Deliver State
Bar 5.0-8.0 Cold Drawn
8.0-30.0 Hot rolling
30.0-180.0 H

Get in touch with us

Enter Your Message

You Might Be Into These