KOVAR A

Alloy Digest ◽  
1953 ◽  
Vol 2 (10) ◽  

Abstract KOVAR A is a cobalt, nickel, iron alloy recommended for sealing into hard glass. Has similar expansion curve as glass, makes firm bond between metal and glass, is easy to machine and form, and has high resistance to thermal shock. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, joining, and surface treatment. Filing Code: Fe-3. Producer or source: Carborundum Company, Refractories Division.

Alloy Digest ◽  
1955 ◽  
Vol 4 (3) ◽  

Abstract RODAR is a cobalt, nickel, iron alloy recommended for sealing into hard glass. Has similar expansion curve as glass, makes firm bond between metal and glass, is easy to machine and form, and has high resistance to thermal shock. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on forming, heat treating, machining, joining, and surface treatment. Filing Code: Fe-6. Producer or source: Wilbur B. Driver Company.


Alloy Digest ◽  
1970 ◽  
Vol 19 (8) ◽  

Abstract UNISEAL 52 is a nickel-iron alloy produced for glass-to-metal seals with higher-than-normal thermal expansion glasses such as Types O120 and 9010. It is used in hermetically-sealed magnetic dry reed switches, compression seals, and ceramic seals where expansion is required to be almost linear to 1000 F. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, joining, and surface treatment. Filing Code: Ni-156. Producer or source: Cyclops Corporation.


Alloy Digest ◽  
1955 ◽  
Vol 4 (8) ◽  

Abstract NILVAR is a 36% nickel-iron alloy having the lowest coefficient of expansion, recommended for applications requiring no dimensional changes with temperature variations. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Fe-8. Producer or source: Driver-Harris Company.


Alloy Digest ◽  
1979 ◽  
Vol 28 (5) ◽  

Abstract TECHALLOY GLASSEAL 52 is a nickel-iron alloy produced for glass-to-metal seals with higher than normal thermal-expansion glasses such as Types 0120 and 9010, and certain ceramics. It has relatively good mechanical properties: a tensile strength of 80,000 psi and an elongation of 35%. It is used in a number of applications where expansion is required to be almost linear to 1000 F. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, joining, and surface treatment. Filing Code: Ni-260. Producer or source: Techalloy Company Inc..


Alloy Digest ◽  
1956 ◽  
Vol 5 (2) ◽  

Abstract D.H No. 42 is a 42% nickel-iron alloy having low controlled coefficient of expansion. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Fe-9. Producer or source: Driver-Harris Company.


Alloy Digest ◽  
1970 ◽  
Vol 19 (6) ◽  

Abstract UNISPAN 36 is a 36% nickel-iron alloy having low thermal expansion in a -400 F to +350 F range. It is recommended for parts in precision machinery and for applications where dimensional changes due to temperature variation must be minimized. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Fe-43. Producer or source: Cyclops Corporation.


Alloy Digest ◽  
1969 ◽  
Vol 18 (10) ◽  

Abstract Niromet 46 is a 46% nickel-iron alloy having low and controlled coefficient of expansion. It is recommended for metal-to-glass seals and terminal bands in vitreous enameled resistors. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Fe-39. Producer or source: Wilbur B. Driver Company.


Alloy Digest ◽  
1964 ◽  
Vol 13 (3) ◽  

Abstract INVAR is a 36% nickel-iron alloy having the lowest coefficient of expansion, recommended for applications requiring no dimensional changes with temperature variations. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on low and high temperature performance, and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Fe-24. Producer or source: Carpenter.


Alloy Digest ◽  
1996 ◽  
Vol 45 (6) ◽  

Abstract Magnifer 36K is a soft-magnetic nickel-iron alloy with 36% nickel. It has a saturation induction of 1.3 T and a rather high electrical resistance of 0.75 ohm mm2/m. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: FE-110. Producer or source: VDM Technologies Corporation.


Alloy Digest ◽  
2004 ◽  
Vol 53 (12) ◽  

Abstract Carpenter Low-Expansion 45 alloy is a 45% nickel-iron alloy with a constant rate of thermal expansion useful in thermostats. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on high temperature performance as well as heat treating and joining. Filing Code: FE-134. Producer or source: Carpenter.


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