ASTM B386-03(2011)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:B386 −03 (Reapproved 2011)
Standard Specification for
Molybdenum and Molybdenum Alloy Plate,
Sheet, Strip, and Foil
This standard is issued under the fixed designation B386; 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 3.1.2 sheet, n—any product 0.187 in. (4.75 mm) or less in
thickness, to a minimum of 0.005 in. (0.13 mm) in thickness.
1.1 This specification covers unalloyed molybdenum and
3.1.2.1 standard grade, n—sheet ordered without additional
molybdenum alloy plate, sheet, strip, and foil as follows:
requirements imposed for applications which require drawing
1.1.1 Molybdenum 360—Unalloyed vacuum arc-cast mo-
to make a product.
lybdenum.
1.1.2 Molybdenum 361—Unalloyed powder metallurgy mo-
3.1.2.2 drawing grade, n—sheet having thickness between
lybdenum.
0.015 in. (0.38 mm) and 0.060 in. (1.52 mm), intended for
1.1.3 Molybdenum Alloy 363—Vacuum arc-cast molybde-
applications which require drawing of the sheet ot make a
num-0.5 % titanium-0.1 % zirconium (TZM) alloy.
product.
1.1.4 Molybdenum Alloy 364—Powder metallurgy molyb-
3.1.3 strip, n—any product 0.187 in. (4.75 mm) or less in
denum-0.5 % titanium-0.1 % zirconium (TZM) alloy.
thickness and less than 5 in. (127 mm) in width.
1.1.5 Molybdenum 365—Unalloyed vacuum arc-cast
3.1.4 foil, n—any product less than 0.005 in. (0.13 mm) in
molybdenum, low carbon.
thickness.
1.1.6 Molybdenum Alloy 366—Vacuum arc-cast molybde-
num-30 % tungsten alloy.
4. Ordering Information
1.1.7 Drawing Grade—A drawing grade is defined, which
may be specified as a separate requirement by the purchaser.
4.1 Orders for material under this specification shall include
the following information as applicable:
1.2 The values stated in inch-pound units are to be regarded
4.1.1 Material number and temper designation (Section 1
as standard. The values given in parentheses are mathematical
and Table 1),
conversions to SI units that are provided for information only
4.1.2 Product form and grade (Section 3),
and are not considered standard.
4.1.3 Chemical requirements (Table 2 and Table 3),
4.1.4 Mechanical requirements (Section 7 and Table 1),
2. Referenced Documents
4.1.5 Softening temperature (Section 8),
2.1 ASTM Standards:
4.1.6 Tolerances (Section 9, Table 4 and Fig. 1),
E8 Test Methods for Tension Testing of Metallic Materials
4.1.7 Workmanship and quality level requirements (Section
E345 Test Methods of Tension Testing of Metallic Foil
10),
E643 Test Method for Ball Punch Deformation of Metallic
4.1.8 Packaging (Section 16),
Sheet Material
4.1.9 Marking (Section 15),
4.1.10 Certification and reports (Section 14), and
3. Terminology
4.1.11 Disposition of rejected material (Section 13).
3.1 Definitions of Terms Specific to This Standard:
3.1.1 plate, n—any product ⁄16 in. or more in thickness.
5. Materials and Manufacture
5.1 The various molybdenum mill products covered by this
This specification is under the jurisdiction of ASTM Committee B10 on
specification shall be formed with the conventional extrusion,
Reactive and Refractory Metals and Alloys and is the direct responsibility of
forging, or rolling equipment normally found in primary
Subcommittee B10.04 on Molybdenum and Tungsten.
ferrous and nonferrous plants. The ingot metal for Molybde-
Current edition approved June 1, 2011. Published June 2011. Originally
num 360 and 365 and Molybdenum Alloys 363 and 366 is
approved in 1991. Last previous edition approved in 2003 as B386 – 03. DOI:
10.1520/B0386-03R11.
vacuum arc-melted in furnaces of a type suitable for reactive,
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
refractory metals and for Molybdenum 361 and Molybdenum
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Alloy 364, the metal is consolidated by powder metallurgy
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. methods.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
B386−03 (2011)
TABLE 1 Mechanical Requirements
Yield Elonga-
B
Tensile
Strength tionin2 Minimum
Temper Strength,
Type Thickness, in. (mm) 0.2 % Offset, in.or50 Bend Ra-
A
min, ksi
Condition
min, mm, min, dius
(MPa)
ksi (MPa) %
to 0.001 (0.025) 115 (795) 95 (655) 1 .
over 0.001 to 0.002 (0.025 to 0.05) 115 (795) 95 (655) 2 .
over 0.002 to 0.003 (0.05 to 0.075) 115 (795) 95 (655) 3 .
over 0.003 to 0.004 (0.075 to 0.1) 115 (795) 95 (655) 4 .
C
0.005 to 0.010 (0.13 to 0.25) 110 (760) 90 (620) 5 2t
over 0.010 to 0.020 (0.25 to 0.5) 110 (760) 90 (620) 6 2t
SR
360, 361, 365 over 0.020 to 0.060 (0.5 to 1.5) 105 (725) 85 (585) 10 2t
over 0.060 to 0.100 (1.5 to 2.5) 100 (690) 80 (550) 14 2t
over 0.100 to 0.187 (2.5 to 4.75) 100 (690) 80 (550) 18 2t
3 1
⁄16 to ⁄2 (4.75 to 12.7) 100 (690) 80 (550) 10 .
D
over ⁄2 to 1 (12.7 to 25.4) 95 (655) 80 (550) 2 .
D
over 1 to 1 ⁄2 (25.4 to 38) 95 (655) 80 (550) .
363, 364 SR 0.010 to 0.025 (0.25 to 0.635) 120 (830) 100 (690) 6 2t
over 0.025 to 0.060 (0.635 to 1.5) 120 (830) 100 (690) 7 2t
over 0.060 to 0.090 (1.5 to 2.3) 120 (830) 100 (690) 9 .
over 0.090 to 0.187 (2.3 to 4.75) 120 (830) 100 (690) 10 .
3 1
⁄16 to ⁄2 (4.75 to 12.7) 120 (830) 100 (690) 10 .
over ⁄2 to 1 (12.7 to 25.4) 110 (760) 95 (655) 10 .
over 1 to 1 ⁄2 (25.4 to 38) 100 (690) 85 (585) 8 .
3 1
360 RX ⁄16 to 1 ⁄2 (4.75 to 38) 55 (380) 25 (170) 20 .
3 1
363, 364 RX ⁄16 to 1 ⁄2 (4.75 to 38) 75 (515) 45 (310) 10 .
A
SR = stress-relieved. RX = essentially fully recrystallized.
B
Both longitudinal and transverse tests between 65 and 85°F (18 and 29°C).
C
Material thickness = t.
D
Transverse elongation variable due to cross rolling limitations.
TABLE 2 Chemical Requirements
Composition,%
Element Material Number
360 361 363 364 365 366
C 0.030 max 0.010 max 0.010–0.030 0.010–0.040 0.010 max 0.030 max
A
O, max 0.0015 0.0070 0.0030 0.030 0.0015 0.0025
A
N, max 0.002 0.002 0.002 0.002 0.002 0.002
Fe, max 0.010 0.010 0.010 0.010 0.010 0.010
Ni, max 0.002 0.005 0.002 0.005 0.002 0.002
Si, max 0.010 0.010 0.010 0.005 0.010 0.010
Ti . . 0.40–0.55 0.40–0.55 . .
W . . . . . 27–33
Zr . . 0.06–0.12 0.06–0.12 . .
Mo balance balance balance balance balance balance
A
Pending approved methods of analysis, deviations from these limits alone shall not be cause for rejection.
6. Chemical Composition 6.2.3 The manufacturer shall not ship material that is
outside the limits specified in Table 2 for the applicable type,
6.1 The molybdenum and molybdenum alloy ingots and
with the exception of oxygen and nitrogen, whose percentage
billets for conversion to finished products covered by this
may vary with the method of fabrication.
specification shall conform to the requirements of the chemical
6.2.4 Check analysis limits shall be as specified in Table 3.
composition prescribed in Table 2.
6.2 Check Analysis:
7. Mechanical Properties
6.2.1 Checkanalysisisananalysismadebythepurchaseror
7.1 Material supplied under this specification shall conform
the manufacturer of the metal after it has been processed into
to the mechanical property requirements given in Table 1,
finished mill forms, and is either for the purpose of verifying
when tested in the transverse direction to final working at test
thecompositionofaheatorlotortodeterminevariationsinthe
temperatures between 65 and 85°F (18 and 29°C).
composition within a heat or lot.
6.2.2 Check analysis tolerances do not broaden the specified 7.2 Tension test specimens shall be prepared and tested in
heat analysis requirements but cover variations between labo- accordance with Test Methods E8 or E345 for foil. Tensile
ratories in the measurement of chemical content. properties shall be determined using a strain rate of 0.002 to
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