ASTM B386/B386M-19e1

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.
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Designation:B386/B386M −19
Standard Specification for
Molybdenum and Molybdenum Alloy Plate,
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Sheet, Strip, Foil, and Ribbon
This standard is issued under the fixed designation B386/B386M; 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.
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ε NOTE—An editorial correction was made to Table 4 in January 2020.
1. Scope 1.3 The following precautionary caveat pertains only to the
test method portions of this specification: This standard does
1.1 This specification covers unalloyed molybdenum and
not purport to address all of the safety concerns, if any,
molybdenum alloy plate, sheet, strip, foil, and ribbon as
associated with its use. It is the responsibility of the user of this
follows:
standard to establish appropriate safety, health, and environ-
1.1.1 Molybdenum 360—Unalloyed vacuum arc-cast mo-
mental practices and determine the applicability of regulatory
lybdenum.
limitations prior to use.
1.1.2 Molybdenum 361—Unalloyed powder metallurgy mo-
1.4 This international standard was developed in accor-
lybdenum.
dance with internationally recognized principles on standard-
1.1.3 Molybdenum Alloy 363—Vacuum arc-cast molybde-
ization established in the Decision on Principles for the
num-0.5 % titanium-0.1 % zirconium (TZM) alloy.
Development of International Standards, Guides and Recom-
1.1.4 Molybdenum Alloy 364—Powder metallurgy molyb-
mendations issued by the World Trade Organization Technical
denum-0.5 % titanium-0.1 % zirconium (TZM) alloy.
Barriers to Trade (TBT) Committee.
1.1.5 Molybdenum 365—Unalloyed vacuum arc-cast
molybdenum, low carbon.
2. Referenced Documents
1.1.6 Molybdenum Alloy 366—Vacuum arc-cast molybde-
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2.1 ASTM Standards:
num-30 % tungsten alloy.
E8 Test Methods for Tension Testing of Metallic Materials
1.1.7 Drawing Grade—A drawing grade is defined, which
[Metric] E0008_E0008M
may be specified as a separate requirement by the purchaser.
E29 Practice for Using Significant Digits in Test Data to
1.2 Units—The values stated in either SI units or inch-
Determine Conformance with Specifications
pound units are to be regarded separately as standard. The
E92 Test Methods for Vickers Hardness and Knoop Hard-
values stated in each system are not necessarily exact equiva-
ness of Metallic Materials
lents; therefore, to ensure conformance with the standard, each
E345 Test Methods of Tension Testing of Metallic Foil
system shall be used independently of the other, and values
E384 Test Method for Microindentation Hardness of Mate-
from the two systems shall not be combined.
rials
1.2.1 The ball punch deformation test called for in 8.4 is a
E643 Test Method for Ball Punch Deformation of Metallic
test that is specified in the inch-pound system, and original test
Sheet Material
results used to produce Fig. 2 were all obtained using inch-
E1941 Test Method for Determination of Carbon in Refrac-
pound measurements. For this reason, the graph of minimum
tory and Reactive Metals andTheirAlloys by Combustion
required cup height as a function of sheet thickness has been
Analysis
retained in its original inch-pound system. The graphical data
has been scanned and a straight line fitted to the scan data. The 3. Terminology
equation of this line is included in both inch-pound and SI
3.1 Definitions of Terms Specific to This Standard (Note that
units.
definitions reflect varying nomenclature from producer to
producer, and are not necessarily exclusive, for example,
sheet/ribbon/strip; foil/ribbon/strip):
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This specification is under the jurisdiction of ASTM Committee B10 on
Reactive and Refractory Metals and Alloys and is the direct responsibility of
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Subcommittee B10.04 on Molybdenum and Tungsten. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Nov. 1, 2019. Published December 2019. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1991. Last previous edition approved in 2011 as B386 – 03 (2011). Standards volume information, refer to the standard’s Document Summary page on
DOI: 10.1520/B0386_B0386M-19E01. theASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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B386/B386M−19
FIG. 1Sample for Bending Test
single ingot, processed through the same processing equipment
inasingleuninterruptedrun,usingthesamethermomechanical
process t
...