China Zirconium Bar manufacturer
JINXING MATECH CO LTD
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Kovar Rod Kovar Alloy Kovar 4j29

Kovar Rod Kovar Alloy Kovar 4j29

Brand Name JINXING
Model Number 4J29 Kovar
Certification ISO 9001
Place of Origin China
Minimum Order Quantity 5kgs
Price US $25-100/ kg
Payment Terms L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability 10000kgs/M
Delivery Time 5~15days
Packaging Details Plywood case
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
Detailed 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

Description

 

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:

Alloy NameTrade NameUNS #British SpecAmerican SpecGerman SpecFrench Spec
Alloy KKovar
Nilo K
Rodar
UNS K94610 ASTM F15
ASTM F26
AMS 7726
AMS 7727
MIL-I-23011C Class 1
1.3981AFNOR NF A54-30

Material

RussiaUSAEnglandJapanFranchGermany
29HKkovarNilo KKV-1Dilvar P0Vacon 12
29HK-BRodar
Techallony Glasseal29-17
TeleasealKV-2
KV-3
Dilver P1Silvar

Content Composition %

CPSMnSiCuCrMoNiCoFe
Less than
0.030.020.020.50.30.20.20.228.5-29.516.8-17.8Rest

Physical properties

Densityg/cm38.25
Curie Point430
Resistivity? m0.48
Tensile strength MpaCold state 
Annealing520
Yield strength MpaCold state 
Annealing330
Elongation %Cold state 
annealing30
TypeSize/mmDeliver State
Bar5.0-8.0Cold Drawn
8.0-30.0Hot rolling
30.0-180.0H
Product Tags: ni based superalloys   nickel based superalloys  
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