Shanghai Tankii Alloy Material Co.,Ltd

Shanghai Tankii Alloy Material Co.,Ltd

 

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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
Product Details:
Place of Origin: China
Brand Name: Sealing Alloy 4J29
Certification: ISO 9001 and RoHS
Model Number: Kovar / 29НК / 4J29
Payment & Shipping Terms:
Minimum Order Quantity: 10KG
Price: USD 30~50/ kg
Packaging Details: Waterproof paper, Carton and Wooden Case
Delivery Time: 4-8 weeks
Payment Terms: T/T, Western Union, L/C, Paypal
Supply Ability: 30000KG per month
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Detailed Product Description
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
High Light:

precision tubing

,

kovar alloy

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 0

Mechanical properties

 

 

Yield Strength (Mpa)

Tensile Strength (Mpa)

Elongation, %

Hardness, HV

4J29

Cold-rolling

695

780

5

230

As annealed

315

520

24

148

 

 

 

 

 

 

 

 

Contact Details
Shanghai Tankii Alloy Material Co.,Ltd

Contact Person: tankii

Tel: +8615000002421

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