ASTM B338-99
(Specification)Standard Specification for Seamless and Welded Titanium and Titanium Alloy Tubes for Condensers and Heat Exchangers
Standard Specification for Seamless and Welded Titanium and Titanium Alloy Tubes for Condensers and Heat Exchangers
SCOPE
1.1 This specification covers the requirements for 20 grades of titanium and titanium alloy tubing intended for surface condensers, evaporators, and heat exchangers, as follows:
1.1.1 Grade 1—Unalloyed titanium,
1.1.2 Grade 2—Unalloyed titanium,
1.1.3 Grade 3—Unalloyed titanium,
1.1.4 Grade 7—Unalloyed titanium plus 0.12 to 0.25 % palladium,
1.1.5 Grade 9—Titanium alloy (3 % aluminum, 2.5 % vanadium),
1.1.6 Grade 11—Unalloyed titanium plus 0.12 to 0.25 % palladium,
1.1.7 Grade 12—Titanium alloy (0.3 % molybdenum, 0.8 % nickel),
1.1.8 Grade 13—Titanium alloy (0.5 % nickel, 0.05 % ruthenium),
1.1.9 Grade 14—Titanium alloy (0.5 % nickel, 0.05 % ruthenium),
1.1.10 Grade 15—Titanium alloy (0.5 % nickel, 0.05 % ruthenium),
1.1.11 Grade 16—Unalloyed titanium plus 0.04 to 0.08 % palladium,
1.1.12 Grade 17—Unalloyed titanium plus 0.04 to 0.08 % palladium,
1.1.13 Grade 18—Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.04 to 0.08 % palladium,
1.1.14 Grade 26—Unalloyed titanium plus 0.08 to 0.14 % ruthenium,
1.1.15 Grade 27—Unalloyed titanium plus 0.08 to 0.14 % ruthenium,
1.1.16 Grade 28—Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.08 to 0.14 % ruthenium,
1.1.17 Grade 30—Titanium alloy (0.3 % cobalt, 0.05 % palladium),
1.1.18 Grade 31—Titanium alloy (0.3 % cobalt, 0.05 % palladium),
1.1.19 Grade 33—Titanium alloy (0.4% nickel, 0.015% palladium, 0.025% ruthenium, 0.15% chromium), and
1.1.20 Grade 34—Titanium alloy (0.4% nickel, 0.015% palladium, 0.025% ruthenium, 0.15% chromium).
1.2 Tubing covered by this specification shall be heat treated by at least a stress relief as defined in 5.3.
1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
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Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: B 338 – 99
Standard Specification for
Seamless and Welded Titanium and Titanium Alloy Tubes
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for Condensers and Heat Exchangers
This standard is issued under the fixed designation B 338; 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 (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 1.1.18 Grade 31—Titanium alloy (0.3 % cobalt, 0.05 %
palladium),
1.1 This specification covers the requirements for 20 grades
1.1.19 Grade 33—Titanium alloy (0.4% nickel, 0.015%
of titanium and titanium alloy tubing intended for surface
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palladium, 0.025% ruthenium, 0.15% chromium), and
condensers, evaporators, and heat exchangers, as follows:
1.1.20 Grade 34—Titanium alloy (0.4% nickel, 0.015%
1.1.1 Grade 1—Unalloyed titanium,
palladium, 0.025% ruthenium, 0.15% chromium).
1.1.2 Grade 2—Unalloyed titanium,
1.2 Tubing covered by this specification shall be heat treated
1.1.3 Grade 3—Unalloyed titanium,
by at least a stress relief as defined in 5.3.
1.1.4 Grade 7—Unalloyed titanium plus 0.12 to 0.25 %
1.3 The values stated in inch-pound units are to be regarded
palladium,
as the standard. The values given in parentheses are for
1.1.5 Grade 9—Titanium alloy (3 % aluminum, 2.5 % va-
information only.
nadium),
1.1.6 Grade 11—Unalloyed titanium plus 0.12 to 0.25 %
2. Referenced Documents
palladium,
2.1 ASTM Standards:
1.1.7 Grade 12—Titanium alloy (0.3 % molybdenum,
A 370 Test Methods and Definitions for Mechanical Testing
0.8 % nickel),
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of Steel Products
1.1.8 Grade 13—Titanium alloy (0.5 % nickel, 0.05 % ru-
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E 8 Test Methods for Tension Testing of Metallic Materials
thenium),
E 29 Practice for Using Significant Digits in Test Data to
1.1.9 Grade 14—Titanium alloy (0.5 % nickel, 0.05 % ru-
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Determine Conformance with Specifications
thenium),
E 120 Test Methods for Chemical Analysis of Titanium and
1.1.10 Grade 15—Titanium alloy (0.5 % nickel, 0.05 %
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Titanium Alloys
ruthenium),
E 1409 Test Method for Determination of Oxygen in Tita-
1.1.11 Grade 16—Unalloyed titanium plus 0.04 to 0.08 %
nium and Titanium Alloys by the Inert Gas Fusion Tech-
palladium,
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nique
1.1.12 Grade 17—Unalloyed titanium plus 0.04 to 0.08 %
E 1447 Test Method for Determination of Hydrogen in
palladium,
Titanium and Titanium Alloys by the Inert Gas Fusion
1.1.13 Grade 18—Titanium alloy (3 % aluminum, 2.5 %
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Thermal Conductivity Method
vanadium) plus 0.04 to 0.08 % palladium,
1.1.14 Grade 26—Unalloyed titanium plus 0.08 to 0.14 %
3. Terminology
ruthenium,
3.1 Definitions of Terms Specific to This Standard:
1.1.15 Grade 27—Unalloyed titanium plus 0.08 to 0.14 %
3.1.1 lot (seamless tube), n—tubing of the same nominal
ruthenium,
size and wall thickness manufactured and heat–treated using
1.1.16 Grade 28—Titanium alloy (3 % aluminum, 2.5 %
the same process and equipment, made from the same produc-
vanadium) plus 0.08 to 0.14 % ruthenium,
tion heat, and given the same finishing operation. For continu-
1.1.17 Grade 30—Titanium alloy (0.3 % cobalt, 0.05 %
ous anneal the lot shall be limited to the product of an 8 h
palladium),
period. For batch anneal, the lot shall be limited to a single
furnace load.
3.1.2 lot (welded/cold worked tube), n— a number of pieces
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This specification is under the jurisdiction of ASTM Committee B-10 on
Reactive and Refractory Metals and Alloysand is the direct responsibility of
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Subcommittee B10.01on Titanium. Annual Book of ASTM Standards, Vol 01.03.
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Current edition approved May. 10, 1999. Published July 1999. Originally Annual Book of ASTM Standards, Vol 03.01.
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published as B 338 – 58 T. Last previous edition B 338 – 98. Annual Book of ASTM Standards, Vol 14.02.
2 6
For ASME Boiler and Pressure Vessel Code applications, see related Specifi- Annual Book of ASTM Standards, Vol 03.05.
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cation SB-338 in Section II of that Code. Annual Book of ASTM Standards, Vol 03.06.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
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B 338
of tubing of the same nominal size and wall thickness process and equipment, made from the same production heat,
manufactured by the same process from a single heat of and given the same finishing operation; the lot shall be limited
titanium, heat treated in the same furnace batch, and given the
to the product of an 8-h period. For batch processing, the lot
same finishing operations.
shall be limited to a single furnace load.
3.1.3 lot (welded tube), n—tubing of the same nominal size
and wall thickness welded and heat treated using the same
A
TABLE 1 Chemic
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