Gold Member Since 2013
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Jiangsu ToLand Alloy Co., Ltd.

4j29 Heating Wire, 4j29 Kovar Alloy, Kovar/4j29 manufacturer / supplier in China, offering 4J29 Kovar Iron-Nickel-Cobalt Alloy Heating Wire, Incoloy 925 round bars bolts and nuts fasteners, AMS 5670 Corrosion and Heat-Resistant Forgings (UNS N07750) and so on.

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Supplier Homepage Product Precision Alloy 4J29 Kovar Iron-Nickel-Cobalt Alloy Heating Wire

4J29 Kovar Iron-Nickel-Cobalt Alloy Heating Wire

FOB Price: Get Latest Price
Min. Order: 50 kg
Transport Package: Wooden Case
Payment Terms: L/C, T/T, D/P
Basic Info
  • Model NO.: 4J29 Kovar
  • surface: bright
  • Specification: customize
  • Product Type: Wire
  • Trademark: ToLand Alloy
  • Origin: China
Product Description

4J29 Kovar iron-nickel-cobalt alloy heating wire

 

 Kovar is an iron-nickel-cobalt alloy with a coefficient of thermal expansion similar to that of hard (borosilicate) glass. This makes it especially suitable for uses which require a matched-expansion seal between metal and glass parts. Thus kovar finds wide usage in the electronics industry for metal parts bonded to hard glass envelopes for such devices as power tubes, x-ray tubes, etc, and other applications requiring glass-to-metal seals.  

 

Specification:

 

GB

 

UNS

KOVAR

4J29

ASTM F15

K94610

 

  Chemical Composition:

 

%

Ni

Fe

Co

Mn

Si

S

Cr

Mo

P

S

KOVAR

Min

 

Bal

 

 

 

 

 

 

 

 

4J29

Max

28.5~29.5

16.8~17.8

0.5

0.3

0.025

0.2

0.2

0.025

0.02

  

Mechanical Properties in the Annealed Condition:

Yield Strength (0.1% Offset)

Tensile Strength

Elongation

psi

MPa

psi

MPa

(%)

49,000

340

75,000

520

42

 

Our advantage:

1. Experienced manufacturer
2. Stable products and service quality
3. Timely delivery
4. Good technology support
5. Win-win cooperation opportunity

We provide our customers with excellent services. If you want more detailed information of this product or related problems, please contact with us, we will reply as soon as possible (general in 6 hours).
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