Danyang Longxin Metal Alloy Co., Ltd.: Zhenjiang, Jiangsu, China; Main products: KOVAR, Permalloy, high velocity tools steel, high temperature alloy, expansion alloy

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Home > Products > pricision alloy > 4J29 Kovar Expanding alloy bar kovar rod

4J29 Kovar Expanding alloy bar kovar rod

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Negotiable / Kilogram

100 Kilograms(Min.Order)

Supply Ability 1500 Ton / Tons per Month
Port Shanghai
Payment TermsT/T D/P D/A Credit Card

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Product Details

Place of Origin	Jiangsu, China	Brand Name	Longxin-alloy
Model Number	4J29	Application	glass to metal sealing
Shape	bar	Material	FeNi29Co17
Dimensions	Thickness:0.1mm~3.5mm ;width less than 400mm,as custom need	Chemical Composition	Ni:29% ,Co:17% ,Fe:balance

Product Description

Specifications

4J29 Kovar Expanding alloy bar
1.Certification:ISO9001:2008
2.Fine after-sale service
3.High quality
4.samples available

4J29 Kovar Expanding alloy bar

Properties of Kovar

Kovar alloy is a vacuum melted, iron-nickel-cobalt alloy that is widely used in the electronics industry.suitable for sealing to hard glasses, in applications requiring high reliability or resistance to thermal shock, ie. high power transmitting valves.

Chemical Compositions:

C	Ni	Fe	Si	Mn	S	Co
Max0.02	Nom29.0	Balance	Max0.20	Max0.30	Max0.025	Nom17.0

Thermal Expansion Properties:

Temperature		Coefficient
77°F to	25°C to	10(-6)/°F	10(-6)/°C
212 392 572 662 752 842 932 1112 1292 1472 1652	100 200 300 350 400 450 500 600 700 800 900	3.25 2.89 2.85 2.72 2.81 2.92 3.41 4.34 5.06 5.73 6.25	5.86 5.20 5.13 4.89 5.06 5.25 6.15 7.80 9.12 10.31 11.26

Mechanical Properties in the Annealed Condition:

Yield Strength (0.1% Offset)		Tensile Strength		Elongation
psi	MPa	psi	MPa	(%)
49,000	340	75,000	520	42

Physical Properties:

DENSITY	8.16 g/cm3	0.295 lb/in3
MELTING POINT	1450oC	2640oF
INFLECTION POINT	450°C	840°F
THERMAL CONDUCTIVITY	16.7 W/m•°C	116 btu•in/ft2•h°F

Our company has been in this line over 10 years, we can supply good products and good services.

Win-Win is our company tenet!

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Danyang Longxin Metal Alloy Co., Ltd.: Contact nameYang Wang
Chat Now; Phone86-511-88016006; AddressJunmin RD 40# Yunhe Town, Danyang City, Jiangsu Province. China, Zhenjiang, Jiangsu

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Product Categories

bars	high permeanbility alloy	High-resistance Electrothermal Alloy	Incoloy 800H
Inconel products	Invar	Kovar	Monel Products
New Products	pricision alloy	stainless steel strips	stainless steel wires

4J29 Kovar Expanding alloy bar kovar rod

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