Designation:F1330−91(Reapproved2012)AnAmericanNationalStandardStandardGuideforMetallicAbrasiveBlastingtoDescaletheInteriorofPipe1ThisstandardisissuedunderthefixeddesignationF1330;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidecoversmetallicabrasiveblastingtodescaletheinteriorofcarbonsteelpipe.1.2Thisguideisrecommendedforuseinconjunctionwithanabrasivereclamationsystem.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D2200PracticeforUseofPictorialSurfacePreparationStandardsandGuidesforPaintingSteelSurfacesE18TestMethodsforRockwellHardnessofMetallicMa-terials2.2SAEStandards:3J444CastShotandGritSizeSpecificationsforPeeningCleaningJ827CastSteelShot2.3OtherDocuments:SSPCSP10SurfacePreparationSpecifications4SFSA20-66StandardSpecificationforCastSteelAbra-sives53.SignificanceandUse3.1Themaximumlengthandminimumdiameterofthepipeshallbedeterminedbythecapacityoftheblastequipmentused.3.2Thisguideisrecommendedforremovingmillscale,rustscale,paints,zincs,andoxides.4.GeneralRequirements4.1Beforeblasting,pipeshallbedryandfreeofslagandweldspatterwhichwouldnotberemovedbyabrasiveblasting.Pipeshallalsobefreeofloosedustanddebriswhichmighthampertheeffectivenessofabrasiveblasting.4.2Abrasiveblastingshallbeaccomplishedinadryareawiththeambientairconditionsuchthatcondensationdoesnotoccur.4.3Shotandblastingequipmentshallbestoredatatem-peraturenotlessthan−13°C(10°F)abovethedewpointofthesurroundingarea.4.3.1Abrasivereclamationsystemsha...
