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Kovar Rod

Kovar Rod

Kovar Rod

Kovar Rod

Kovar 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.

Alloy Name Trade Name UNS # British Spec American Spec German Spec French Spec
Alloy K Kovar
Nilo K
Rodar
UNS K94610   ASTM F15
ASTM F26
AMS 7726
AMS 7727
MIL-I-23011C Class 1
1.3981 AFNOR NF A54-30

Material : 

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
KV-3
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 μ?· 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 Hot forging
Plate 3.5-30.0 Hot rolling
30.0-40.0 Hot forging
Strip 0.2-3.5 Cold rolling
Flat wire 0.5-5.0 Hot rolling
Round wire 0.1-5.0 Cold Drawn
Capillary OD8.0-1.0,ID0.1-8.0 Cold Drawn
Pipe OD120-8.0, ID8.0-129 Cold drawn

 

 

 

admin@jxmatech.com

Kovar Rod

Kovar 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.

Alloy Name Trade Name UNS # British Spec American Spec German Spec French Spec
Alloy K Kovar
Nilo K
Rodar
UNS K94610   ASTM F15
ASTM F26
AMS 7726
AMS 7727
MIL-I-23011C Class 1
1.3981 AFNOR NF A54-30

Material : 

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
KV-3
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 μ?· 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 Hot forging
Plate 3.5-30.0 Hot rolling
30.0-40.0 Hot forging
Strip 0.2-3.5 Cold rolling
Flat wire 0.5-5.0 Hot rolling
Round wire 0.1-5.0 Cold Drawn
Capillary OD8.0-1.0,ID0.1-8.0 Cold Drawn
Pipe OD120-8.0, ID8.0-129 Cold drawn

 

 

 

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