ASTM F31-21 PDF

Scope: 1.1 This specification covers two iron-nickel-chromium alloys (UNS K94760 and UNS K95150) used primarily for glass-sealing applications in electronic devices. 1.2 The 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. 1.3 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. 1.4 This 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.

ASTM F31-21 Referenced Document

ASTM E112 Standard Test Methods for Determining Average Grain Size
ASTM E18 Standard Test Methods for Rockwell Hardness of Metallic Materials*， 2022-05-01 Update
ASTM E228 Standard Test Method for Linear Thermal Expansion of Solid Materials With a Vitreous Silica Dilatometer
ASTM E29 Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
ASTM E354 Standard Test Methods for Chemical Analysis of High-Temperature, Electrical, Magnetic, and Other Similar Iron, Nickel, and Cobalt Alloys
ASTM F14 Standard Practice for Making and Testing Reference Glass-Metal Bead-Seal
ASTM F140 Standard Practice for Making Reference Glass-Metal Butt Seals and Testing for Expansion Characteristics by Polarimetric Methods
ASTM F144 Standard Practice for Making Reference Glass-Metal Sandwich Seal and Testing for Expansion Characteristics by Polarimetric Methods

2021 ASTM F31-21 Standard Specification for Nickel-Chromium-Iron Sealing Alloys
2016 ASTM F31-16 Standard Specification for Nickel-Chromium-Iron Sealing Alloys
2012 ASTM F31-12 Standard Specification for Nickel-Chromium-Iron Sealing Alloys
2005 ASTM F31-05(2010) Standard Specification for 42% Nickel-6% Chromium-Iron Sealing Alloy
2005 ASTM F31-05 Standard Specification for 42% Nickel-6% Chromium-Iron Sealing Alloy
1994 ASTM F31-94(1999) Standard Specification for 42% Nickel-6% Chromium-Iron Sealing Alloy