ASTM–B338STANDARDBOOK

Designation:B 338-03INTERNATIONALStandard Specification forSeamless and Welded Titanium and Titanium Alloy Tubesfor Condensers and Heat Exchangers'This standard is issued under the fixed designation B 338;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript 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.Scope1.1.17 Grade 30-Titanium alloy (0.3 cobalt,0.05%1.1 This specifi cation2 covers the requirements for 22palladium),grades of titanium and titanium alloy tubing intended for1.1.18 Grade 3/-Titanium alloy (0.3 cobalt,0.05%surface condensers,evaporators,and heat exchangers,as fol-palladium),lows:1.1.19 Grade 33-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,1.1.20 Grade 34-Titanium alloy (0.4 nickel,0.015%1.1.3 Grade 3-Unalloyed titanium,palladium,0.025 ruthenium,0.15 chromium),1.1.4 Grade 7-Unalloyed titanium plus 0.12 to 0.251.1.21 Grade 35-Titanium alloy (4.5 aluminum,2%palladium,molybdenum,1.6%vanadium,0.5 iron,0.3 silicon),and1.1.5 Grade 9-Titanium alloy (3%aluminum,2.5 va-1.1.22 Grade 36-Titanium alloy (45%niobium).nadium),1.2 Tubing covered by this specifi cation shall be heat treated1.1.6 Grade 1/-Unalloyed titanium plus 0.12 to 0.25by at least a stress relief as defi ned in 5.3.palladium,1.3 The values stated in inch-pound units are to be regarded1.1.7 Grade 12-Titanium alloy (0.3%molybdenum,as the standard.The values given in parentheses are for0.8 nickel),information only1.1.8 Grade 13-Titanium alloy (0.5 nickel,0.05%ru-thenium),2.Referenced Documents1.1.9 Grade 14-Titanium alloy (0.5 nickel,0.05 ru-2.1 ASTM Standards:3thenium),A 370 Test Methods and Defi nitions for Mechanical Testing1.1.10 Grade 15-Titanium alloy (0.5 nickel,0.05of Steel Productsruthenium).E8 Test Methods for Tension Testing of Metallic Materials1.1.11 Grade /6-Unalloyed titanium plus 0.04 to 0.08E29 Practice for Using Signifi cant Digits in Test Data topalladium,Determine Conformance with Specif cations1.1.12 Grade /7-Unalloyed titanium plus 0.04 to 0.08E 120 Test Methods for Chemical Analysis of Titanium andpalladium,Titanium Alloys1.1.13 Grade 18Titanium alloy (3%aluminum,2.5E 1409 Test Method for Determination of Oxygen in Tita-vanadium)plus 0.04 to 0.08%palladium,nium and Titanium Alloys by the Inert Gas Fusion Tech-1.1.14 Grade 26-Unalloyed titanium plus 0.08 to 0.14niqueruthenium.E1447 Test Method for Determination of Hydrogen in1.1.15 Grade 27-Unalloyed titanium plus 0.08 to 0.14Titanium and Titanium Alloys by the Inert Gas FusionrutheniumThermal Conductivity Method1.1.16 Grade 28-Titanium alloy (3 aluminum,2.53.Terminologyvanadium)plus 0.08 to 0.14%ruthenium,3.1 Lot Definitions:3.1.1 castings-a