Standard Specification for Iron-Nickel-Cobalt Alloys for Metal-to-Ceramic Sealing Applications

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

09-01-2020

Publisher

American Society for Testing and Materials

1.1This specification covers two iron-nickel-cobalt alloys, the former, (UNS No. K94630), containing nominally 29 % nickel, 17 % cobalt, and 53 % iron, the latter, (UNS No. K94620), nominally 27 % nickel, 25 % cobalt and 48 % iron, in the forms of wire, rod, bar, strip, sheet, and tubing, intended primarily for brazed metal-to-ceramic seals with alumina ceramics, for vacuum electronic applications. Unless otherwise indicated, all articles apply to both alloys.

1.2The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

1.3The following hazard caveat pertains only to the test method portion, Sections 14 and 16 of this specification. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Committee	F 01
DocumentType	Standard
Pages	6
PublisherName	American Society for Testing and Materials
Status	Current
Supersedes	ASTM F 1466 : 1999 : R2015

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ASTM E 45 : 1997 : EDT 2	Standard Test Methods for Determining the Inclusion Content of Steel
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ASTM E 3 : 2011 : R2017	Standard Guide for Preparation of Metallographic Specimens
ASTM E 92 : 2017	Standard Test Methods for Vickers Hardness and Knoop Hardness of Metallic Materials
ASTM E 1601 : 1998	Standard Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method
ASTM D 1971 : 1995	Standard Practices for Digestion of Water Samples for Determination of Metals by Flame Atomic Absorption, Graphite Furnace Atomic Absorption, Plasma Emission Spectroscopy, or Plasma Mass Spectrometry
ASTM E 45 : 2018 : REV A : R2023	Standard Test Methods for Determining the Inclusion Content of Steel
ASTM D 1971 : 2016	Standard Practices for Digestion of Water Samples for Determination of Metals by Flame Atomic Absorption, Graphite Furnace Atomic Absorption, Plasma Emission Spectroscopy, or Plasma Mass Spectrometry
ASTM E 354 : 2021 : EDT 1	Standard Test Methods for Chemical Analysis of High-Temperature, Electrical, Magnetic, and Other Similar Iron, Nickel, and Cobalt Alloys
ASTM E 18 : 2019	Standard Test Methods for Rockwell Hardness of Metallic Materials
ASTM D 1971 : 2016 : R2021 : EDT 1	Standard Practices for Digestion of Water Samples for Determination of Metals by Flame Atomic Absorption, Graphite Furnace Atomic Absorption, Plasma Emission Spectroscopy, or Plasma Mass Spectrometry
ASTM E 92 : 1982 : R2003 : EDT 2	Standard Test Method for Vickers Hardness of Metallic Materials (Withdrawn 2010)
ASTM E 354 : 2014	Standard Test Methods for Chemical Analysis of High-Temperature, Electrical, Magnetic, and Other Similar Iron, Nickel, and Cobalt Alloys
ASTM E 112 : 2013 : R2021	Standard Test Methods for Determining Average Grain Size
ASTM E 112 : 2013	Standard Test Methods for Determining Average Grain Size
ASTM E 228 : 2022	Standard Test Method for Linear Thermal Expansion of Solid Materials With a Push-Rod Dilatometer
ASTM E 29 : 2022	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications