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ASTM F106-24

(Specification)

Standard Specification for Brazing Filler Metals for Electron Devices

Standard Specification for Brazing Filler Metals for Electron Devices

ABSTRACT
This specification covers brazing filler metals for use in electron devices in a nonoxidizing atmosphere. Material covered by this specification consists of vacuum grade (Grades 1 and 2) brazing filler metals manufactured in the form of strip, wire, or preforms made by blanking the trip or bending the wire. Brazing filler metals in the form of powder are also available. Filler metals in wire form shall be in soft temper condition, most suitable for hand feeding or ring winding in mandrels, while those in strip form shall be in hard as-rolled temper condition to facilitate clean blanking of thin shims or preforms. The surface of the filler metal, whether strip, wire, or preform, shall be as smooth and free of dirt, oxide, pits, deep scratches, seams, slivers, stains, scale, blisters, edge cracks, trimming burrs, waves, wrinkles, and other defects as commercially possible. Melting test for cleanness and spatter shall be performed and shall conform to the requirements specified.
SCOPE
1.1 This specification covers requirements or filler metals suitable for brazing internal parts and other critical areas of electron devices in a nonoxidizing atmosphere (Note 1).  
1.2 These materials are available in strip or wire or preforms made by blanking the strip or bending the wire. Powders are also available.  
Note 1: Brazing filler metals for general applications are specified in AWS Specification A 5.8.  
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
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.

General Information

Status
Published
Publication Date
31-Mar-2024
Technical Committee
B02 - Nonferrous Metals and Alloys
Drafting Committee
B02.05 - Precious Metals and Electrical Contact Materials and Test Methods
Current Stage
Ref Project

Relations

Replaces
ASTM F106-12(2017) - Standard Specification for Brazing Filler Metals for Electron Devices (Withdrawn 2024)
Effective Date
01-Apr-2024

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ASTM F106-24 - Standard Specification for Brazing Filler Metals for Electron DevicesASTM F106-24 - Standard Specification for Brazing Filler Metals for Electron Devices
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ASTM F106-24 - Standard Specification for Brazing Filler Metals for Electron Devices
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Standards Content (Sample)

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.
Designation: F106 − 24
Standard Specification for
1
Brazing Filler Metals for Electron Devices
This standard is issued under the fixed designation F106; the number immediately following the designation indicates the year of original
adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope C 3.3 Recommended Practices for Design, Manufacture and
Inspection of Critical Brazed Components
1.1 This specification covers requirements or filler metals
suitable for brazing internal parts and other critical areas of
3. Classification
electron devices in a nonoxidizing atmosphere (Note 1).
3.1 Brazing filler metals which are vacuum grade and are
1.2 These materials are available in strip or wire or preforms
classified on the basis of chemical composition shown in Table
made by blanking the strip or bending the wire. Powders are
1. The difference between Grade 1 and 2 is the allowable
also available.
impurity content. Grade 1 requires generally lower levels of
impurities.
NOTE 1—Brazing filler metals for general applications are specified in
AWS Specification A 5.8.
4. Ordering Information
1.3 The values stated in inch-pound units are to be regarded
4.1 Orders for material to this specification shall include the
as standard. The values given in parentheses are mathematical
following information:
conversions to SI units that are provided for information only
4.1.1 Quantity,
and are not considered standard.
4.1.2 Dimensions and tolerances (Table 2),
1.4 This international standard was developed in accor-
4.1.3 Form (rod, bar, wire, etc.),
dance with internationally recognized principles on standard-
4.1.4 AWS classification (Table 1),
ization established in the Decision on Principles for the
4.1.5 Grade 1,
Development of International Standards, Guides and Recom-
4.1.6 Special requirements or exceptions, and
mendations issued by the World Trade Organization Technical
4.1.7 Certification—State if certification is required.
Barriers to Trade (TBT) Committee.
5. Materials and Manufacture
2. Referenced Documents
2
5.1 The brazing filler metals shall be vacuum grade and
2.1 ASTM Standards:
fabricated by any method that yields a product conforming to
B214 Test Method for Sieve Analysis of Metal Powders
the requirements of this specification.
E11 Specification for Woven Wire Test Sieve Cloth and Test
Sieves
6. Chemical Composition
F19 Test Method for Tension and Vacuum Testing Metal-
3 6.1 The finished brazing filler metal shall conform to the
lized Ceramic Seals (Withdrawn 2023)
4 chemical composition shown in Table 1 for Grade 1 material.
2.2 American Welding Society:
A 5.8 Specification for Brazing Filler Metals
7. Mechanical Properties
C 3.2 Method for Evaluating the Strength of Brazed Joints
7.1 Unless otherwise specified, wire shall be furnished in
soft temper most suitable for hand feeding or ring winding on
1
This specification is under the jurisdiction of ASTM Committee B02 on
mandrels. A minimum elongation of 10 % in 2 in. (50.8 mm)
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
B02.05 on Precious Metals and Electrical Contact Materials and Test Methods. indicates that the wire is annealed.
Current edition approved April 1, 2024. Published April 2024. Originally
7.2 Unless otherwise specified, strip shall be furnished in
approved in 1969 as F106 – 69 T. Last previous edition approved in 2017 as
F106 – 12 (2017) which was withdrawn January 2024 and reinstated in April 2024.
hard as-rolled temper to facilitate clean blanking of thin shims
DOI: 10.1520/F0106-24.
or preforms. A maximum elongation of 5 % in 2 in. (50.8 mm)
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
designates the strip as hard.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
8. Dimensions and Permissible Variations
the ASTM website.
3
The last approved version of this historical standard is referenced on
8.1 These materials must conform to the dimensional limi-
www.astm.org.
4 tations listed in Table 2 for strip, wire, and preforms or to Table
Available from American Welding Society (AWS), 550 NW LeJeune Rd.,
Miami, FL 33126. 3 for the size distribution of powdered brazing filler metals.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
F106 − 24
A,B,C
TABLE 1 Chemical Composition Requirements (in Wt. %) fo
...

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Section    
Introduction and Background  
Scope and Objective  
1  
Referenced Documents  
2  
ASTM Standards  
2.1  
ACI Standard  
2.2  
NFPA Standard  
2.3  
ASME Standards  
2.4    
Terminology  
3  
ASTM Standard General Definitions  
3.1  
Applicable Definitions  
3.2  
Descriptions of Terms Specific to This ...

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