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ASTM B338-17e1

Standard Specification for Seamless and Welded Titanium and Titanium Alloy Tubes for Condensers and Heat Exchangers
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1.1Β This specification2 covers the requirements for 28 grades of titanium and titanium alloy tubing intended for surface condensers, evaporators, and heat exchangers, as follows:

1.1.1Β Grade 1β€”UNS R50250. Unalloyed titanium,

1.1.2Β Grade 2β€”UNS R50400. Unalloyed titanium,

1.1.2.1Β Grade 2Hβ€”UNS R50400. Unalloyed titanium (Grade 2 with 58 ksi (400 MPa) minimum UTS),

1.1.3Β Grade 3β€”UNS R50550. Unalloyed titanium,

1.1.4Β Grade 7β€”UNS R52400. Unalloyed titanium plus 0.12 to 0.25 % palladium,

1.1.4.1Β Grade 7Hβ€”UNS R52400. Unalloyed titanium plus 0.12 to 0.25 % palladium (Grade 7 with 58 ksi (400 MPa) minimum UTS),

1.1.5Β Grade 9β€”UNS R56320. Titanium alloy (3 % aluminum, 2.5 % vanadium),

1.1.6Β Grade 11β€”UNS R52250. Unalloyed titanium plus 0.12 to 0.25 % palladium,

1.1.7Β Grade 12β€”UNS R53400. Titanium alloy (0.3 % molybdenum, 0.8 % nickel),

1.1.8Β Grade 13β€”UNS R53413. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.9Β Grade 14β€”UNS R53414. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.10Β Grade 15β€”UNS R53415. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.11Β Grade 16β€”UNS R52402. Unalloyed titanium plus 0.04 to 0.08 % palladium,

1.1.11.1Β Grade 16Hβ€”UNS R52402. Unalloyed titanium plus 0.04 to 0.08 % palladium (Grade 16 with 58 ksi (400 MPa) minimum UTS),

1.1.12Β Grade 17β€”UNS R52252. Unalloyed titanium plus 0.04 to 0.08 % palladium,

1.1.13Β Grade 18β€”UNS R56322. Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.04 to 0.08 % palladium,

1.1.14Β Grade 26β€”UNS R52404. Unalloyed titanium plus 0.08 to 0.14 % ruthenium,

1.1.14.1Β Grade 26Hβ€”UNS R52404. Unalloyed titanium plus 0.08 to 0.14 % ruthenium (Grade 26 with 58 ksi (400 MPa) minimum UTS),

1.1.15Β Grade 27β€”UNS R52254. Unalloyed titanium plus 0.08 to 0.14 % ruthenium,

1.1.16Β Grade 28β€”UNS R56323. Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.08 to 0.14 % ruthenium,

1.1.17Β Grade 30β€”UNS R53530. Titanium alloy (0.3 % cobalt, 0.05 % palladium),

1.1.18Β Grade 31β€”UNS R53532. Titanium alloy (0.3 % cobalt, 0.05 % palladium),

1.1.19Β Grade 33β€”UNS R53442. Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),

1.1.20Β Grade 34β€”UNS R53445. Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),

1.1.21Β Grade 35β€”UNS R56340. Titanium alloy (4.5 % aluminum, 2 % molybdenum, 1.6 % vanadium, 0.5 % iron, 0.3 % silicon),

1.1.22Β Grade 36β€”UNS R58450. Titanium alloy (45 % niobium),

1.1.23Β Grade 37β€”UNS R52815. Titanium alloy (1.5 % aluminum),

1.1.24Β Grade 38β€”UNS R54250. Titanium alloy (4 % aluminum, 2.5 % vanadium, 1.5 % iron), and

1.1.25Β Grade 39β€”UNS R53390. Titanium alloy (0.25 % iron, 0.4 % silicon).

Note 1:Β 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.

1.2Β 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.

1.3Β 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.

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 July 1, 2017
Language en - English
Page Count 10
Revision Level 17e1
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