Shanghai Tankii Alloy Material Co.,Ltd

Shanghai Tankii Alloy Material Co.,Ltd

 

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4J29 Silver Alloy Casting Alloy Suit In Sealing Glass ISO 9001 / RoHS

4J29 Silver Alloy Casting Alloy Suit In Sealing Glass ISO 9001 / RoHS

  • 4J29 Silver Alloy Casting Alloy Suit In Sealing Glass ISO 9001 / RoHS
  • 4J29 Silver Alloy Casting Alloy Suit In Sealing Glass ISO 9001 / RoHS
4J29 Silver Alloy Casting Alloy Suit In Sealing Glass ISO 9001 / RoHS
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: 3-7 weeks
Payment Terms: T/T, Western Union, L/C, Paypal
Supply Ability: 1000KG per month
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Detailed Product Description
Shape: Wire Condition: Soft
Standard: YB/T5231-2005 / ГОСТ 14080-78 Color: Silver
Weight Of Coil: 1~45 KG Surface: Bright
High Light:

soft magnetic alloy

,

precision tubing

 

 

Soft Kovar Alloy Wire 4J29 for Sealing Glass ISO 9001 / RoHS 

 

 

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

 

Mechanical properties

 

 

 

Yield Strength (Mpa)

Tensile Strength (Mpa)

Elongation, %

Hardness, HV

4J29

Cold-rolling

695

780

5

230

As annealed

315

520

24

148

 

 

 

 

 

4J29 Silver Alloy Casting Alloy Suit In Sealing Glass ISO 9001 / RoHS 0

 

Pls contact with us, if you have questions! zlz@tankii.com(Primary mailbox)

Looking forward to your inquiry!

 

 

Contact Details
Shanghai Tankii Alloy Material Co.,Ltd

Contact Person: tankii

Tel: +8615000002421

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