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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
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 :
1000KG per month
Delivery Time :
3-7 weeks
Packaging Details :
Waterproof paper, Carton and Wooden Case
Shape :
Wire
Condition :
Soft
Standard :
YB/T5231-2005 / ГОСТ 14080-78
Color :
Silver
Weight of coil :
1~45 KG
Surface :
Bright
Description

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

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

Looking forward to your inquiry!

Product tags

stainless steel protection film

,

glass to metal sealing alloys

,

protective film for stainless steel
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4J29 Silver Alloy Casting Alloy Suit In Sealing Glass ISO 9001 / RoHS

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

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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