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LOCK INVAR
Detailed Product Description :
Invar 36 is a 36% nickel-iron alloy possessing a rate of thermalexpansion approximately one-tenth that of carbon steel attemperatures up to 400°F(204°C).
Applications:
1.This alloy has been used for applications where dimensionalchanges due to temperature variation must be minimized such as inradio and electronic devices, aircraft controls, optical and lasersystem, etc.
2.Invar 36 alloy has also been used in conjunction with highexpansion alloys in applications where a motion is desired when thetemperature changes, such as in bimetallic thermostats and in rodand tube assemblies for temperature regulators.
Invar 36
1.Chemical Composition %
Alloy Grades | Chemical Composition % | |||||||
C | P | S | Mn | Si | Ni | Co | Fe | |
Not more than≤ | ||||||||
Invar36 | 0.05 | 0.020 | 0.020 | 0.200.60 | 0.30 | 35.0~37.0 |
----- | Balance |
2.The Average Linear Expansion Coefficient:
Alloy Grades | Specimen heat treatment system | The average linear expansion coefficient a,10-6/oC | |
20-100 oC | 20-300 oC | ||
Invar36 | Will be semi-finished specimen heated to 840 ± 10 oC, insulation1h, water quenching, and then processed into finished specimen, at315 ± 10 oC, insulation lh with the furnace cooling orair-cooled. |
≤1.5 |
----- |
Alloy Grades | The average linear expansion coefficient a,10-6/oC | |||||
20-50 oC | 20-100 oC | 20-200oC | 20-300 oC | 20-400 oC | 20-500 oC | |
Invar36 |
0.6 |
0.8 |
2.0 |
5.1 |
8.0 |
10.0 |
Note: The values in the table are for reference only.
Specification: Plate, sheet, strip, rod, bar, wire, tube.
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Invar alloy bar
Invar alloy bar
