Jul 30 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Thermal Properties
Fabrication and Heat Treatment
Machinability
Forming
Welding
Forging
Cold Working
Annealing
Hardening
Other Designations
Applications
Introduction
Ulbraseal 42-6 is an iron-nickel alloy containing approximately 6% chromium. It belongs to the family of glass sealing alloys and has the same coefficient of expansion as 0120 glass.
The following datasheet will discuss in detail about Ulbraseal 42-6 alloy.
Chemical Composition
The chemical composition of Ulbraseal 42-6 alloy is outlined in the following table.
|
Element |
Content (%) |
|
Nickel, Ni |
42 |
|
Chromium, Cr |
5.6 |
|
Silicon, Si |
0.3 |
|
Manganese, Mn |
0.25 |
|
Aluminum, Al |
0.2 |
|
Carbon, C |
0.07 |
|
Iron, Fe |
Balance |
Physical Properties
The following table shows the physical properties of Ulbraseal 42-6 alloy.
|
Properties |
Metric |
Imperial |
|
Density |
8.2 g/cm3 |
0.29 lb/in3 |
|
Melting point |
1430°C |
2600°F |
Thermal Properties
The thermal properties of Ulbraseal 42-6 alloy are given in the following table.
|
Properties |
Metric |
Imperial |
|
Thermal expansion co-efficient |
6.55 µm/m°C |
3.64 µin/in°F |
Fabrication and Heat Treatment
Machinability
Conventional machining techniques can be used to machine these alloys.
Forming
Ulbraseal 42-6 alloy has good ductility and formability.
Welding
The alloy can be welded using conventional methods.
Forging
The alloy can be forged at 1204°C (2200°F). Care should be taken to prevent contamination of alloy due to sulfur in a furnace atmosphere.
Cold Working
The alloy has good ductility, and it can be readily cold-worked.
Annealing
Ulbraseal 42-6 alloy can be annealed at 788°C (1450°F) followed by air cooling.
Hardening
The alloy can be hardened due to cold working.
Other Designations
An equivalent designation to Ulbraseal 42-6 alloy includes ASTM F31-68.
Applications
The following are the list of applications of Ulbraseal 42-6 alloy:
-
Glass sealing of double pane windows
-
Cathode ray tubes