China Zirconium Bar manufacturer
JINXING MATECH CO LTD
JINXING MATECH is an expert provider on the metal solution. Especially on the products such as Tungsten Alloy , Tungsten copper , Titanium , Zirconium, Vanadium, Hafnium, Sputtering target , Nobel
6
Home > Products > Nickel Based Alloys >

4j29 Kovar Precision Alloy Tube For Glass Plastic Seals

Browse Categories

JINXING MATECH CO LTD

Country/Region:china

Tel:86-371-18137338517

Contact Person:
Mr.ZHANG View Contact Details

4j29 Kovar Precision Alloy Tube For Glass Plastic Seals

  • 1
  • 2
  • 3
  • 4
Brand Name JX
Model Number 4j29 Kovar Precision Alloy Tube
Certification ISO
Place of Origin china
Minimum Order Quantity 100kgs
Price Negotiable
Payment Terms L/C, T/T
Supply Ability 3000T
Delivery Time 35days
Packaging Details Standard wooden case
Product Type 4j29 Kovar Precision Alloy tube for Glass Plastic Seals
Material Feni Alloy
Carbon Content low
Transport Package wooden case
Shape round bar
Condition soft
Surface Bright
Origin China
Detailed Product Description

4j29 Kovar Precision Alloy tube for Glass Plastic Seals

Product Description

Kovar Precision Alloy tube Description
Kovar Tube is a nominal 29%NiCoFe alloy that is a well-known glass-sealing alloy suitable for sealing to hard glasses.
(Common Name: Kovar, NiFeCo29, NiCoFe294,Nilo K)

Kovar Precision Alloy tube Chemical Domposition

alloyCMnSiPSNiCrCoCuMoFe
4J29≤0.03≤0.50≤0.30≤0.020≤0.02028.5~29.5≤0.2016.8~17.8≤0.2≤0.2

balance

 

Controlled Expansion and Glass Sealing Alloys
German standard numberTradenameDINUNS
1.2937Alloy 2917745K92900
1.3917Alloy 4217745K94100
1.3922Alloy 4817745K94800
1.3981Pernifer291817745K94610
2.4478NiFe 4717745N14052
2.4486NiFe47Cr17745-

 

Typical Physical properties

Density (g/cm3)8.2
Electrical resistivity at 20ºC(OMmm2/m)0.48
Temperature factor of resistivity(20ºC~100ºC)X10-5/ºC3.7~3.9
Curie point Tc/ ºC430
Elastic Modulus, E/ Gpa138

Tensile Strength, MPa

Code of conditionConditionWireStrip
RSoft≤585≤570
1/4I1/4 Hard585~725520~630
1/2I1/2 Hard655~795590~700
3/4I3/4 Hard725~860600~770
IHard≥850≥700

Kovar Tube Picture:

The heat treatment process

Annealing for stress reliefHeated to 470~540ºC and hold 1~2 h. Cold down
annealingIn vacuum heated to 750~900ºC
Holding time14 min~1h.
Cooling rateNo more than 10 ºC/min cooled to 200 ºC

Coefficient of expansion

θ/ºCα1/10-6ºC-1θ/ºCα1/10-6ºC-1
20~607.820~5006.2
20~1006.420~5507.1
20~2005.920~6007.8
20~3005.320~7009.2
20~4005.120~80010.2
20~4505.320~90011.4
Product Tags: Kovar Precision Alloy Tube   4j29 Precision Alloy Tube   Plastic Seals Kovar Alloy Tube  
Related Products
High Magnetic Flux Soft Magnetic Alloy Plate 1J22 Plate for sale

High Magnetic Flux Soft Magnetic Alloy Plate 1J22 Plate

High Coefficient Of Thermal Expansion Co50V2 1J22 Permalloy Plate for sale

High Coefficient Of Thermal Expansion Co50V2 1J22 Permalloy Plate

Soft Magnetic Precision Alloy 1j50 Permalloy Round Rod Bar for sale

Soft Magnetic Precision Alloy 1j50 Permalloy Round Rod Bar

1j22 Soft Magnetic Precision Alloy Rod Fe Co 49V2 Permendur Bar for sale

1j22 Soft Magnetic Precision Alloy Rod Fe Co 49V2 Permendur Bar

4J29 Kovar Precision Alloy Round Bar And Rod ASTM F15 for sale

4J29 Kovar Precision Alloy Round Bar And Rod ASTM F15

Kovar Alloy 4J29 Plate Invar 4J32 4J33 4J34 4J36 Sheet for sale

Kovar Alloy 4J29 Plate Invar 4J32 4J33 4J34 4J36 Sheet

Email to this supplier
 
From:
Enter your Email please.
To: JINXING MATECH CO LTD
Subject:
Message:
Characters Remaining: (80/3000)
 
Home | Products | Suppliers | About Us | 公司概况
Terms of user - Intellectual Property Rights (IPR) Protection Policy - Privace Policy
Copyright © 2011-2025 everychina.com.cn. All rights reserved.