Standard Specification for Nickel-Chromium-Iron Sealing Alloys
STANDARD published on 1.11.2021
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Designation standards: ASTM F31-21
Publication date standards: 1.11.2021
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
This specification covers iron-nickel-chromium alloy (UNS K94760) used primarily for glass-sealing applications in electronic devices. The chemical composition of the material shall conform to the requirements prescribed. Chemical analysis shall be made, when desired, in accordance with the prescribed requirements. The average linear coefficient of thermal expansion shall be within limits of the requirements specified. The material shall be commercially smooth, uniform in cross section, in composition, and in temper; it shall be free of scale, corrosion, cracks, seams, scratches, slivers, and other defects.
Keywords:
glass-to-metal sealing, iron-nickel-chromium alloy, UNS K94760 , UNS K95150 ,, ICS Number Code 77.120.40 (Nickel, chromium and their alloys)