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Kovar Alloy - Strip of Sealing Alloy 4J29 for Integrated Circuit Framework
Kovar Alloy - Strip of Sealing Alloy 4J29 for Integrated Circuit Framework
Kovar Alloy - Strip of Sealing Alloy 4J29 for Integrated Circuit Framework
Kovar Alloy - Strip of Sealing Alloy 4J29 for Integrated Circuit Framework
Kovar Alloy - Strip of Sealing Alloy 4J29 for Integrated Circuit Framework
Kovar Alloy - Strip of Sealing Alloy 4J29 for Integrated Circuit Framework
Specifications
Brand Name :
Sealing Alloy 4J29
Model Number :
Kovar / 29НК / 4J29
Certification :
ISO 9001 and RoHS
Place of Origin :
China
MOQ :
10KG
Price :
USD 30~50/ kg
Payment Terms :
T/T, Western Union, L/C, Paypal
Supply Ability :
30000KG per month
Delivery Time :
4-8 weeks
Packaging Details :
Waterproof paper, Carton and Wooden Case
Shape :
Strip, Foil, Sheet, Wire
Condition :
Bright/ Oxidized; Soft/ Hard
Standard :
YB/T5231-2005 / ГОСТ 14080-78
Color :
Silver
Weight of coil :
1~45 KG
Description

Kovar Alloy - Strip of Sealing Alloy 4J29 for Integrated Circuit Framework

Application: Vacuum device main seal structure material

Feature: At 20 to 450 degrees and having a linear expansion coefficient similar borosilicate hard glass, high Curie point, has good low temperature stability of the organization. Suitable for use in mercury discharge instrument. Rectangular hysteresis loop.

Specifications

Grade

4J29- Strip

Thickness

0.01~5mm

Width

4~250mm

Weight of coil

2-50 kgs

Condition

Soft/ Hard; Bright/ Oxidized

Chemical composition(%)

Grade

C

Si

Mn

P

S

Ni

Cu

Cr

Mo

Co

Fe

4J29

≤0.03

≤ 0.3

≤ 0.5

≤0.02

≤0.02

28.5~29.5

≤ 0.2

≤0.2

≤0.2

16.8~17.8

Bal.

Physical properties

  • Density (g/cm3): 8.17
  • Elastic Modulus (MPa): 165*103
  • Mean Coefficient of Thermal Expansion (10-6/℃): 5.0 (20~400℃); 5.2 (20~450℃)
  • Curie point (℃): 430
  • Electrical resistivity (μΩ*cm): 46 (20℃)
  • Specific heat (J/kg*℃): 418
  • Thermal conductivity ( W/m. ℃): 20.3

Kovar Alloy - Strip of Sealing Alloy 4J29 for Integrated Circuit Framework

Mechanical properties

Yield Strength (Mpa)

Tensile Strength (Mpa)

Elongation, %

Hardness, HV

4J29

Cold-rolling

695

780

5

230

As annealed

315

520

24

148

Product tags

t-slotted aluminum profiles

,

t slotted aluminum profiles

,

t slot aluminum profiles
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Kovar Alloy - Strip of Sealing Alloy 4J29 for Integrated Circuit Framework

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Product Detail
Brand Name :
Sealing Alloy 4J29
Model Number :
Kovar / 29НК / 4J29
Certification :
ISO 9001 and RoHS
Place of Origin :
China
MOQ :
10KG
Price :
USD 30~50/ kg
Contact Supplier
Kovar Alloy - Strip of Sealing Alloy 4J29 for Integrated Circuit Framework
Kovar Alloy - Strip of Sealing Alloy 4J29 for Integrated Circuit Framework
Kovar Alloy - Strip of Sealing Alloy 4J29 for Integrated Circuit Framework

Shanghai Tankii Alloy Material Co.,Ltd

Verified Supplier
11 Years
shanghai, shanghai
Since 1981
Business Type :
Manufacturer, Exporter
Main Products :
Copper Nickel Alloy Wire, Electric Resistance Wire, Thermocouple Bare Wire
Total Annual :
8000000-100000000
Employee Number :
90~100
Certification Level :
Verified Supplier
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