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ASTM B338-09

Historical Revision

Standard Specification for Seamless and Welded Titanium and Titanium Alloy Tubes for Condensers and Heat Exchangers

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1.1 This specification covers the requirements for 28 grades of titanium and titanium alloy tubing intended for surface condensers, evaporators, and heat exchangers, as follows:

1.1.1 Grade 1Unalloyed titanium,

1.1.2 Grade 2Unalloyed titanium,

1.1.2.1 Grade 2HUnalloyed titanium (Grade 2 with 58 ksi minimum UTS),

1.1.3 Grade 3Unalloyed titanium,

1.1.4 Grade 7Unalloyed titanium plus 0.12 to 0.25 % palladium,

1.1.4.1 Grade 7HUnalloyed titanium plus 0.12 to 0.25 % palladium (Grade 7 with 58 ksi minimum UTS),

1.1.5 Grade 9Titanium alloy (3 % aluminum, 2.5 % vanadium),

1.1.6 Grade 11Unalloyed titanium plus 0.12 to 0.25 % palladium,

1.1.7 Grade 12Titanium alloy (0.3 % molybdenum, 0.8 % nickel),

1.1.8 Grade 13Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.9 Grade 14Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.10 Grade 15Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.11 Grade 16Unalloyed titanium plus 0.04 to 0.08 % palladium,

1.1.11.1 Grade 16HUnalloyed titanium plus 0.04 to 0.08 % palladium (Grade 16 with 58 ksi minimum UTS),

1.1.12 Grade 17Unalloyed titanium plus 0.04 to 0.08 % palladium,

1.1.13 Grade 18Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.04 to 0.08 % palladium,

1.1.14 Grade 26Unalloyed titanium plus 0.08 to 0.14 % ruthenium,

1.1.14.1 Grade 26HUnalloyed titanium plus 0.08 to 0.14 % ruthenium (Grade 26 with 58 ksi minimum UTS),

1.1.15 Grade 27Unalloyed titanium plus 0.08 to 0.14 % ruthenium,

1.1.16 Grade 28Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.08 to 0.14 % ruthenium,

1.1.17 Grade 30Titanium alloy (0.3 % cobalt, 0.05 % palladium),

1.1.18 Grade 31Titanium alloy (0.3 % cobalt, 0.05 % palladium),

1.1.19 Grade 33Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),

1.1.20 Grade 34Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),

1.1.21 Grade 35Titanium alloy (4.5 % aluminum, 2 % molybdenum, 1.6 % vanadium, 0.5 % iron, 0.3 % silicon),

1.1.22 Grade 36Titanium alloy (45 % niobium),

1.1.23 Grade 37Titanium alloy (1.5 % aluminum), and

1.1.24 Grade 38Titanium alloy (4 % aluminum, 2.5 % vanadium, 1.5 % iron).

Note 1—H grade material is identical to the corresponding numeric grade (that is, Grade 2H = Grade 2) except for the higher guaranteed minimum UTS, and may always be certified as meeting the requirements of its corresponding numeric grade. Grades 2H, 7H, 16H, and 26H are intended primarily for pressure vessel use.

The H grades were added in response to a user association request based on its study of over 5200 commercial Grade 2, 7, 16, and 26 test reports, where over 99 % met the 58 ksi minimum UTS.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.


This specification covers 28 grades of seamless and welded titanium alloy tubes for surface condensers, evaporators, and heat exchangers. Seamless tube shall be made from hollow billet by any cold reducing or cold drawing process that will yield a product meeting the requirements prescribed. Welded tube shall be made from flat-rolled product by an automatic arc-welding process. The welded tube shall be sufficiently cold worked to final size in order to transform the cast weld microstructure into a typical equiaxed microstructure in the weld upon subsequent heat treatment. The titanium shall conform to the chemical requirements prescribed. The room temperature tensile properties of the tube in the condition normally supplied shall conform to the requirements prescribed. Tubing shall withstand, without cracking, flattening under a load applied gradually at room temperature until the distance between the load platens is not more than the required height. Welded tube shall be subjected to a reverse flattening test in accordance with supplement II of test methods and definitions A 370. Welded tubing shall be tested using both a non-destructive electromagnetic test and an ultrasonic test method. Seamless and welded/cold worked tubing shall be tested using an ultrasonic test method. Welded tubing shall be tested with a hydrostatic or pneumatic test method. Seamless tubing shall be tested with an electromagnetic or hydrostatic or pneumatic test method.


SDO ASTM: ASTM International
Document Number B338
Publication Date May 1, 2009
Language en - English
Page Count 8
Revision Level 09
Supercedes
Committee B10.01
Publish Date Document Id Type View
July 1, 2017 B0338-17E01 Revision
July 1, 2017 B0338-17 Revision
Jan. 15, 2014 B0338-14 Revision
July 1, 2013 B0338-13A Revision
June 1, 2013 B0338-13 Revision
May 1, 2010 B0338-10E01 Revision
May 1, 2010 B0338-10 Revision
May 1, 2009 B0338-09 Revision
Nov. 1, 2008 B0338-08B Revision
Aug. 1, 2008 B0338-08A Revision
May 15, 2008 B0338-08 Revision
June 1, 2006 B0338-06A Revision
April 1, 2006 B0338-06 Revision
May 1, 2005 B0338-05B Revision
March 1, 2005 B0338-05A Revision
Jan. 1, 2005 B0338-05 Revision
Nov. 1, 2003 B0338-03 Revision
Oct. 10, 2002 B0338-02 Revision
Nov. 10, 2001 B0338-99 Revision
Nov. 10, 2001 B0338-01A Revision
Nov. 10, 2001 B0338-01 Revision
Nov. 1, 2021 B0338-17R21 Reaffirmation