COMPANY
COMPANY
Company Introduction
Company Summary
History
Partner
Certification
Patent
Company Panorama
PRODUCTS
PRODUCTS
Carbon/Graphite Division
Special Metal Division
Metal Powder Division
Insulator Division
Ceramic Division
Brazing Division
Graphite sheet/Graphite sealing/Graphite packing Division
SPECIFICATIONS
SPECIFICATIONS
Specifications
COMMUNITY
COMMUNITY
Notice
Book
Data room
Question and Answer
: Products > Special Metal Division > Invar
Typical Analysis in Percent
Ni
35.0 - 38.0
Cr
0.25
Mn
0.50
Si
0.25
Al
0.10
Mg
0.10
Zr
0.10
Ti
0.10
P
0.02
S
0.02
Fe
Balance
Physical Properties (Annealed):
Specific Gravity: 8.08
Density: 0.292 lb/in
Electrical Resistivity: 494 ohms/mil/ft
Temperature Coefficient of Electrical Resistivity:
0.67 x
10
-3
/¢µ
Melting Point: 2,6000F
Curie Temperature: 530 ¢µ
Inflection Temperature: 375 ¢µ
Modulus of Elasticity: 21.0 psi x
10
-6
Properties:
Typical Tensile Strength (1000 psi):
Annealed: 85 Maximum
¨ù Hard: 90 to 115
¨ö Hard: 105 to 125
Hard: 120 Minimum
Typical Hardness, Rockwell B:
Annealed: 70 Maximum
¨ù Hard: 78 to 83
¨ö Hard: 84 to 88
Typical Coefficient of Thermal Expansion:
Temp. Range
in/in/ ¢µ x10
-6
-200 - 0 ¢µ
1.1
0 - 200 ¢µ
0.7
200 - 400 ¢µ
1.5
400 - 600 ¢µ
6.4
600 - 800 ¢µ
8.6
Notice
Custom Products :
Other Products can be also manufactured,
please contact us with your requirements.
You can get better solutions.