ASTM F106-06

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Designation: F106 – 06
Standard Specification for
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Brazing Filler Metals for Electron Devices
ThisstandardisissuedunderthefixeddesignationF106;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* C3.3 RecommendedPracticesforDesign,Manufactureand
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 Thesematerialsareavailableinstriporwireorpreforms
classifiedonthebasisofchemicalcompositionshowninTable
made by blanking the strip or bending the wire. Powders are
1. The difference between Grade 1 and 2 are the impurity
also available.
limitations. Grade 1 required generally lower levels of impu-
NOTE 1—Brazing filler metals for general applications are specified in
rities.
AWS Specification A5.8.
4. Ordering Information
1.3 Thevaluesstatedininch-poundunitsaretoberegarded
as the standard. The values given in parentheses are for 4.1 Ordersformaterialtothisspecificationshallincludethe
information only.
following information:
4.1.1 Quantity,
2. Referenced Documents
4.1.2 Dimensions and tolerances (Table 1),
2
2.1 ASTM Standards:
4.1.3 Form (rod, bar, wire, etc.),
B214 Test Method for Sieve Analysis of Metal Powders
4.1.4 AWS classification (Table 2),
E11 SpecificationforWovenWireTestSieveClothandTest
4.1.5 Grade 1,
Sieves
4.1.6 Special requirements or exceptions, and
F19 Test Method for Tension and Vacuum Testing Metal-
4.1.7 Certification— State if certification is required.
lized Ceramic Seals
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5. Materials and Manufacture
2.2 American Welding Society:
A5.8 Specification for Brazing Filler Metals
5.1 The brazing filler metals shall be vacuum grade and
C3.2 Method for Evaluating the Strength of Brazed Joints fabricated by any method that yields a product conforming to
the requirements of this specification.
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This specification is under the jurisdiction of ASTM Committee F01 on
6. Chemical Composition
Electronics and is the direct responsibility of Subcommittee F01.03 on Metallic
6.1 The finished brazing filler metal shall conform to the
Materials.
Current edition approved Jan. 1, 2006. Published January 2006. Originally
chemical composition shown in Table 2 for Grade 1 material.
approved in 1969 as F106–69T. Last previous edition approved in 2000 as
F106–00. DOI: 10.1520/F0106-06.
7. Mechanical Properties
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
7.1 Unless otherwise specified, wire shall be furnished in
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
soft temper most suitable for hand feeding or ring winding on
the ASTM website.
mandrels. A minimum elongation of 10% in 2 in. (50.8 mm)
3
.Available from American Welding Society (AWS), 550 NW LeJeune Rd.,
indicates that the wire is annealed.
Miami, FL 33126.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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F106 – 06
TABLE 1 Dimensional Tolerances (All Plus or Minus)
Width Tolerances, in. (mm)
Thickness 8 in. (200 mm) wide and under Over 8 in. (200 mm) wide
Less than 0.020 (0.5) 0.005 (0.125) 0.015 (0.38)
0.020 to 0.050 (0.5 to 1.25), incl 0.010 (0.250) 0.015 (0.38)
Thickness Tolerances—Strip
Thickness, in. (mm) 8 in. (200 mm) wide and under Over 8 in. (200 mm) wide
Up to 0.002 (0.05), incl 0.0002 (0.005) 0.0005 (0.0125)
Over 0.002 to 0.003 (0.05 to 0.075), incl 0.0003 (0.0075) 0.0006 (0.015)
Over 0.003 to 0.004 (0.075 to 0.10), incl 0.0004 (0.010) 0.0007 (0.018)
Over 0.004 to 0.006 (0.10 to 0.15), incl 0.0005 (0.0125) 0.0008 (0.02)
Over 0.006 to 0.013 (0.15 to 0.33), incl 0.0010 (0.025) 0.0013 (0.033)
Over 0.013 to 0.021 (0.33 to 0.53), incl 0.0015 (0.038) 0.0018 (0.046)
Over 0.021 to 0.026 (0.53 to 0.66), incl 0.0020 (0.05) 0.0020 (0.05)
Over 0.026 to 0.050 (0.66 to 0.125), incl 0.0020 (0.05) 0.0050 (0.125)
Camber Tolerances—Strip (Edgewise Bowl)
0.5 in. (12.5 mm) max in 6 ft (1.8 m)
Diameter Tolerances—Wire
Diameter, in. (mm) Tolerance, in. (mm)
0.010 to 0.020 (0.250 to 0.5) 0.0003 (0.0075)
Over 0.020 to 0.030 (0.5 to 0.75) 0.0005 (0.0125)
Over 0.030 to 0.040 (0.75 to 1.0) 0.0007 (0.018)
Over 0.040 to 0.050 (1.0 to 1.25) 0.0008 (0.02)
Over 0.050 to 0.060 (1.25 to 1.5) 0.0010 (0.025)
Over 0.060 to 0.080 (1.5 to 2.0) 0.0015 (0.038)
O
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