Danyang City Kaixin Alloy Material Co., Ltd.
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Contact Us
  • Contact Person : Mr. Jing David
  • Company Name : Danyang City Kaixin Alloy Material Co., Ltd.
  • Tel : 86-0511-86452561
  • Fax : 86-0511-89884146
  • Address : Jiangsu,Zhenjiang,Mazhuang Lvcheng Town Danyang Jiangsu
  • Country/Region : China
  • Zip : 212352

super invar plate

super invar plate
Product Detailed
1.Very low coefficient of thermal expansion. 2.Have ISO9001:2008 Certificate 3.RoHs, test report 4. professional manufacture

Super Invar is also known as 32HK(Russia),Super-Invar,Super Nilvar, SI(Japan),Invar Superieur,Chinese 4J32,etc.

Used On:Super invar are suitable for environmental temperrature,make dimensional precision parts for instrumentation.

Specification:Sheet/Plate,Bar/Rod, Wire/Coil,Tube/Pipe/Capillary

Chemical Composition  %

Steel

No

  Chemical Composition  %

C

P

S

Mn

Si

Ni

Co

Cu

Fe

4J32

(Super Invar)

0.05

0.020

0.020

0.200.60

0.20

31.5~33.0

3.20~4.20

0.40~0.80

balance

The Average Linear Expansion Coefficient:

Alloy

Grades

Specimen heat treatment system

The average linear expansion coefficient α,10-6/ oC

20-100 oC

20-300 oC

Supper invar

To heat the semi-finishend products samples to

 840±10,hold for 1h,and quench in the water.

Machine the samples to finished samples.And heat

At 315±10oC for 1h,furnace or air cool.

≤1.0

-----

The Average Linear Expansion Coefficient

Steel  No.

α,10-6/ oC The Average Linear Expansion Coefficient

20-50oC

20-

100oC

20-200oC

20-300 oC

20-400 oC

20-500 oC

4J32(Super Invar)

0.7

0.8

1.4

 

4.3

7.2

 

9.3

super invar plate



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