ASTM B338-99

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.

General Information

• Status: Historical
• Publication Date: 09-Nov-2001
• ICS: 23.040.15 - Non-ferrous metal pipes
• Technical Committee: B10 - Reactive and Refractory Metals and Alloys
• Drafting Committee: B10.01 - Titanium

Relations

• Replaced By: ASTM B338-01 - Standard Specification for Seamless and Welded Titanium and Titanium Alloy Tubes for Condensers and Heat Exchangers
• Effective Date: 10-Nov-2001
• Referred By: ASTM B891/B891M-19 - Standard Specification for Seamless and Welded Titanium and Titanium Alloy Condenser and Heat Exchanger Tubes with Enhanced Surface for Improved Heat Transfer
• Effective Date: 10-Nov-2001
• Referred By: ASTM F1155-10(2019) - Standard Practice for Selection and Application of Piping System Materials
• Effective Date: 10-Nov-2001
• Referred By: ASTM F1511-18(2023) - Standard Specification for Mechanical Seals for Shipboard Pump Applications
• Effective Date: 10-Nov-2001
• Referred By: ASTM F2015-00(2019) - Standard Specification for Lap Joint Flange Pipe End Applications
• Effective Date: 10-Nov-2001
• Referred By: ASTM B363-19 - Standard Specification for Seamless and Welded Unalloyed Titanium and Titanium Alloy Welding Fittings
• Effective Date: 10-Nov-2001
• Referred By: ASTM F2014-00(2019) - Standard Specification for Non-Reinforced Extruded Tee Connections for Piping Applications
• Effective Date: 10-Nov-2001

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
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
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),
of Steel Products
1.1.8 Grade 13—Titanium alloy (0.5 % nickel, 0.05 % ru-
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-
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 %
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,
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 %
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
This specification is under the jurisdiction of ASTM Committee B-10 on
Reactive and Refractory Metals and Alloysand is the direct responsibility of
Subcommittee B10.01on Titanium. Annual Book of ASTM Standards, Vol 01.03.
Current edition approved May. 10, 1999. Published July 1999. Originally Annual Book of ASTM Standards, Vol 03.01.
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.
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.
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 Chemical Requirements
Composition, %
Element
Grade 1 Grade 2 Grade 3 Grade 4 Grade 5 Grade 6 Grade 7 Grade 9 Grade 11 Grade 12
Nitrogen, max 0.03 0.03 0.05 0.05 0.05 0.03 0.03 0.03 0.03 0.03
Carbon, max 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.08
B,C
Hydrogen, max 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.015
Iron, max 0.20 0.30 0.30 0.50 0.40 0.50 0.30 0.25 0.20 0.30
Oxygen, max 0.18 0.25 0.35 0.40 0.20 0.20 0.25 0.15 0.18 0.25
Aluminum . . . . 5.5–6.75 4.0–6.0 . 2.5–3.5 . .
Vanadium . . . . 3.5–4.5 . . 2.0–3.0 . .
Tin . . . . . 2.0–3.0 . . . .
Ruthenium . . . . . . . . . .
Palladium . . . . . . 0.12–0.25 . 0.12–0.25 .
Cobalt . . . . . . . . . .
Molybdenum . . . . . . . . . 0.2–0.4
Chromium . . . . . . . . . .
Nickel . . . . . . . . . 0.6–0.9
Niobium . . . . . . . . . .
Zirconium . . . . . . . . . .
Silicon . . . . . . . . . .
D,E,F
Residuals, 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
max each
D,E,F
Residuals, 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
max total
G
Titanium balance balance balance balance balance balance balance balance balance balance
Composition, %
Element
Grade 13 Grade 14 Grade 15 Grade 16 Grade 17 Grade 18 Grade 19 Grade 20 Grade 21 Grade 23
Nitrogen, max 0.03 0.03 0.05 0.03 0.03 0.03 0.03 0.03 0.03 0.03
Carbon, max 0.08 0.08 0.08 0.08 0.08 0.08 0.05 0.05 0.05 0.08
B,C
Hydrogen, max 0.015 0.015 0.015 0.015 0.015 0.015 0.02 0.02 0.015 0.0125
Iron, max 0.20 0.30 0.30 0.30 0.20 0.25 0.30 0.30 0.40 0.25
Oxygen, max 0.10 0.15 0.25 0.25 0.18 0.15 0.12 0.12 0.17 0.13
Aluminum . . . . . 2.5–3.5 3.0–4.0 3.0–4.0 2.5–3.5 5.5–6.5
Vanadium . . . . . 2.0–3.0 7.5–8.5 7.5–8.5 . 3.5–4.5
Tin . . . . . . . . . .
Ruthenium 0.04–0.06 0.04–0.06 0.04–0.06 . . . . . . .
Palladium . . . 0.04–0.08 0.04–0.08 0.04–0.08 . 0.04–0.08 . .
Cobalt . . . . . . . . . .
Molybdenum . . . . . . 3.5–4.5 3.5–4.5 14.0–16.0 .
Chromium . . . . . . 5.5–6.5 5.5–6.5 . .
Nickel 0.04–0.06 0.04–0.06 0.04–0.06 . . . . . . .
Niobium . . . . . . . . 2.2–3.2 .
Zirconium . . . . . . 3.5–4.5 3.5–4.5 . .
Silicon . . . . . . . . 0.15–0.25 .
D,E,F
Residuals, max 0.1 0.1 0.1 0.1 0.1 0.1 0.15 0.15 0.1 0.1
each
D,E,F
Residuals, max 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
total
G
Titanium balance balance balance balance balance balance balance balance balance balance
B 338
TABLE 1 Continued
Composition, %
Element
Grade 24 Grade 25 Grade 26 Grade 27 Grade 28 Grade 29 Grade 30 Grade 31 Grade 32 Grade 33 Grade 34
Nitrogen, max 0.05 0.05 0.03 0.03 0.03 0.03 0.03 0.05 0.03 0.03 0.05
Carbon, max 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.08
B,C
Hydrogen, max 0.015 0.0125 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.015
Iron, max 0.40 0.40 0.30 0.20 0.25 0.25 0.30 0.30 0.25 0.30 0.30
Oxygen, max 0.20 0.20 0.25 0.18 0.15 0.13 0.25 0.35 0.11 0.25 0.35
Aluminum 5.5–6.75 5.5–6.75 . . 2.5–3.5 5.5–6.5 . . 4.5–5.5 . .
Vanadium 3.5–4.5 3.5–4.5 . . 2.0–3.0 3.5–4.5 . . 0.6–1.4 . .
Tin . . . . . . . . 0.6–1.4 . .
Ruthenium . . 0.08–0.14 0.08–0.14 0.08–0.14 0.08–0.14 . . . 0.02-0.04 0.02-0.04
Palladium 0.04–0.08 0.04–0.08 . . . . 0.04–0.08 0.04–0.08 . 0.01-0.02 0.01-0.02
Cobalt . . . . . . 0.20–0.80 0.20–0.80 . . .
Molybdenum . . . . . . . . 0.6–1.2 . .
Chromium . . . . . . . . . 0.1-0.2 0.1-0.2
Nickel . 0.3–0.8 . . . . . . . 0.35-0.55 0.35-0.55
Niobium . . . . . . . . . . .
Zirconium . . . . . . . . 0.6–1.4 . .
Silicon . . . . . . . . 0.06–0.14 . .
D,E,F
Residuals, max 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
each
D,E,F
Residuals, max 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
total
G
Titanium balance balance balance balance balance balance balance balance balance Remainder Remainder
A
Analysis shall be completed for all elements listed in this table for each grade. The analysis results for the elements not quantified in the table need not be reported
unless the concentration level is greater than 0.1 % each or 0.4 % total.
B
Lower hydrogen may be obtained by negotiation with the manufacturer.
C
Final product analysis.
D
Need not be reported.
E
A residual is an element present in a metal or an alloy in small quantities and is inherent to the manufacturing process but not added intentionally. In titanium these
elements include aluminum, vanadium, tin, chromium, molybdenum, niobium, zirconium, hafnium, bismuth, ruthenium, palladium, yttrium, copper, silicon, cobalt, tantalum,
nickel, boron, manganese, and tungsten.
F
The purchaser may, in his written purchase order, request analysis for specific residual elements not listed in this specification.
G
The percentage of titanium is determined by difference.
TABLE 2 Permissible Variations in Product Analysis
4. Ordering Information
%
4.1 Orders for material to this specification shall include the
Element
Maximum or Permissible Variation
following information, as required:
Specified Range in Product Analysis
4.1.1 Quantity,
Nitrogen 0.05 + 0.02
4.1.2 Grade number (Section 1),
Carbon 0.10 + 0.02
4.1.3 Diameter and wall thickness (Section 12) (Note 1),
Hydrogen 0.015 + 0.002
Iron 0.35 + 0.15
4.1.4 Length (Section 12),
Oxygen 0.30 + 0.03
4.1.5 Method of manufacture and finish (Sections 5 and 13),
0.31 to 0.40 60.04
4.1.6 Restrictive chemistry, if desired (Section 6 and Table
Palladium 0.01 to 0.02 60.002
Palladium 0.04 to 0.25 60.02
1),
Ruthenium 0.02 to 0.04 60.005
4.1.7 Product analysis, if desired (Section 7 and Table 2),
Ruthenium 0.04 to 0.06 60.005
4.1.8 Special mechanical properties, if desired (Section 8
Aluminum 2.5 to 3.5 60.40
Vanadium 2.0 to 3.0 60.15
and Table 3),
Molybdenum 0.2 to 0.4 60.03
4.1.9 Nondestructive tests (Section 11),
Chromium 0.1 to 0.2 60.02
4.1.10 Packaging (Section 23), Nickel 0.3 to 0.9 60.05
A
Residuals (each) 0.1 + 0.02
4.1.11 Inspection (Section 17), and
Cobalt 0.2 to 0.8 60.05
4.1.12 Certification (Section 21).
Ruthenium 0.08 to 0.14 60.01
A
A residual is an element present in a metal or an alloy in small quantities
NOTE 1—Tube is available to specified outside diameter and wall
inherent to the manufacturing process but not added intentionally. In titanium these
thickness (state minimum or average wall).
elements include aluminum, vanadium, tin, iron, chromium, molybdenum, niobium,
zirconium, hafnium, bismuth, ruthenium, palladium, yttrium, copper, silicon, cobalt,
5. Materials and Manufacture
tantalum, nickel, boron, manganese, and tungsten.
5.1 Seamless tube shall be made from hollow billet by any
cold reducing or cold drawing process that will yield a product an automatic arc-welding process or other method of welding
meeting the requirements of this specification. Seamless tube is that will yield a product meeting the requirements of this
produced with a continuous periphery in all stages of manu- specification. Use of a filler material is not permitted.
facturing operations.
5.3 Welded/cold worked tube (WCS) shall be made from
5.2 Welded tube shall be made from flat-rolled product by welded tube manufactured as specified in 5.2. The welded tube
B 338
TABLE 3 Tensile Requirements
Tensile Strength, min Yield Strength, 0.2% Offset
Elongation in
Grade min max 2 in. or 50
ksi MPa
mm, min, %
ksi MPa ksi MPa
A
1 35 240 25 170 45 310 24
A
2 50 345 40 275 65 450 20
A
3 65 450 55 380 80 550 18
A
7 50 345 40 275 65 450 20
B
9 125 860 105 725 . . 10
A C
9 90 620 70 483 . . 15
A
11 35 240 25 170 45 310 24
A C
12 70 483 50 345 . . 18
A
13 40 275 25 170 . . 24
A
14 60 410 40 275 . . 20
A
15 70 483 55 380 . . 18
A
16 50 345 40 275 65 450 20
A
17 35 240 25 170 45 310 24
B
18 125 860 105 725 . . 10
A C
18 90 620 70 483 . . 15
26 50 345 40 275 65 450 20
27 35 240 25 170 45 310 24
28 90 620 70 483 . . 15
30 50 345 40 275 65 450 20
31 65 450 55 380 80 550 18
33 50 345 40 275 65 450 20
34 65 450 55 380 80 550 18
A
Properties for material in the annealed condition.
B
Properties for cold-worked and stress-relieved material.
C
Elongation for welded tubing manufactured from continuously cold rolled and annealed strip from coils for Grades 9, 12, and 18 will be 12 %.
shall be sufficiently cold worked to final size in order to 7.2 Product analysis tolerances, listed in Table 2, do not
transform the cast weld microstructure into a typical equiaxed broaden the specified heat analysis requirements, but cover
microstructure in the weld upon subsequent heat treatment. variations between different laboratories in the measurement of
The product shall meet the requirements for seamless tube of chemical content. The manufacturer shall not ship the finished
this specification. product that is outside the limits specified in Table 1 for the
5.4 The tube shall be furnished in the annealed condition applicable grade.
with the exception of Grades 9, 18 and 28, which, at the option
8. Tensile Requirements
of the purchaser, can be furnished in either the annealed or the
8.1 The room temperature tensile properties of the tube in
cold worked and stress relieved condition, defined as at a
the condition normally supplied shall conform to the require-
minimum temperature of 600°F (316°C) for not less than 30
ments prescribed in Table 3. Mechanical properties for condi-
min.
tions other than those given in this table may be established by
6. Chemical Requirements
agreement between the manufacturer and the purchaser. (See
Test Methods E 8.)
6.1 The titanium shall conform to the chemical
...