( no RBI analysis has been performed). The remaining life of a vessel is 3 years. The vessel is in corrosive hydrocarbon service. If there is a conflict between the requirements of API 510 and the legal jurisdiction, which should be followed? The minimum overlap of heat treatment during each heat is: When welding 2 components that differ in thickness by more than 1/8", describe the required transition. The remaining life of a vessel is 12 years. A corroded area is in the central portion of an elliptical head. The vessel is rated for 350 psig at 500Â°F. Which code should be used to evaluate whether a cracked weld is acceptable for continued service? Who must concur with this interval deferral? Create a free account to download. Be certified as an ASNT SNT-TC-1A level 2 in VT. The API 510 corrosion averaging process can be used to evaluate a locally thinned area provided that there is no area that has a thickness less than: Corrosion averaging is used to evaluate a corroded area on a 96" diameter vertical vessel that is 32' in height. API 510 The inspector should be familiar with and understand any rules for welding in API-510. Download Free PDF. A hydrotest is performed on an existing vessel following the replacement of a shell plate. The maximum height of the weld cap is: Plate used in the pressure boundary of a new vessel must comply with: Welding on in-service equipment containing flammables, Alternative evaluation for pits and LTA's, NDE personnel qualification (RT & UT flaw detection), API 510 scope (Alteration, Inspection, Repair, Rerate), API 510 AI's employer (Jurisdiction, User, Insurance company, Contractor), API 510 repair organization (ASME stamp holder, authorized by jurisdiction, Owner, Contractor), How to determine corrosion rate for new service or change in service (Same or similar service, Published data, Exam w/in 3-6 month, or Corrosion specialist), Primary responsibilities of API 510 AI (Testing, Inspection, Repairs, Examinations), Requirements for relief device repair organization, How relief device intervals are determined, Maximum length of crack, incomplete penetration or incomplete fusion allowed on a new weld, Smoothness of relief device seating surfaces, Maximum allowed mill tolerance of a plate, Maximum allowed size of open discontinuity in a bend test, NDE - Typical thickness range for RT using Iridium 192, Minimum distance beyond the area to be examined to clean a part when performing a MT examination, Minimum distance beyond the area to be examined to clean a part when performing a PT examination, Evaluate LTA - Distance from the weld in for: E = 1.0, NDE - Typical thickness range for RT using Cobalt 60, Wall thickness of CS shell that requires PWHT, Wall thickness of CS shell that requires full RT, Maximum length of pits allowed in 8" line, Vessel inside diameters that are excluded from the scope of section VIII, Weld qualify - Minimum weld length when qualifying a welder with RT/UT using a coupon or 1st production weld, Weld qualify - Minimum weld length when qualifying a welding operator with RT/UT of a test coupon, NDE - Distance of eye-to-part to count as a visual exam, Maximum distance on weld between welder's stamp, Weld qualify - Minimum weld length when qualifying a welding operator with RT/UT of first production weld, Minimum overlap for vessel PWHT when using multiple heats, Maximum length of weld represented by 1 spot RT, Welding - Base metal temp where welding is not recommended, Welding - Base metal temp, pre-heat to 60*F is recommended, Corrosion - CUI affects carbon steel & alloy (temp range), UT calibration - Calibration block must be within what temperature of the part to be examined, NDE - Standard temperature range for PT exam, Corrosion - Temperature where cooling water corrosion starts to significantly increase, Corrosion - Temperature where chloride stress corrosion cracking becomes a concern, Corrosion - CUI affects austentic SS (temp range), NDE - Special procedures are needed for UT thickness readings, Corrosion - Temperature when high strength caustic causes serious corrosion in CS and 300 SS, Corrosion - Temperature swings that can cause thermal fatigue, Corrosion - Most aggressive CUI temperature range, Corrosion - CUI affects duplex SS (temp range), Welding - Minimum pre-heat temperature, when pre-heat is substituted for PWHT, Welding - Minimum pre-heat temperature, when a local PWHT is used in lieu of full encirclement PWHT, Corrosion - Starting temp for sulfidation on carbon steel, Corrosion - Temper embrittlement for low chromes (range), Corrosion - If operating temp is above this temp, check for creep in cat reformer equipment, NDE - Maximum temperature for UT readings, Materials - Carbon steel normal PWHT temperature, Materials - Carbon steel temp of base metal to create HAZ, Testing - Minimum base metal temp during hydro vessels â¤2" thick, Testing - Minimum base metal temp during hydro vessels >2" thick, NDE - Maximum temperature for magnetic particles, Welder qualification record (welders paper), Document that must be prepared and maintained for each vessel and relief device, Manual that must be prepared and maintained by each Owner/User that uses API 510, Two documents that are needed by each repair organization that repairs relief devices, Design pressures within scope of ASME sect VIII & API 510, Minimum range of pressure gauge used during a test, Preferred range of pressure gauge used during a test, Maximum range of pressure gauge used during a test, Subject to chloride stress-corrosion cracking, Subject to polytheonic acid stress-corrosion cracking, Common material with an endurance limit (fatigue cracking cannot occur below this stress level), Common material without an endurance limit, P-numbers allowed to use pre-heat in lieu of PWHT, P-numbers allowed to use CDW in lieu of PWHT, P-numbers of base metal that should be examined for delayed cracking after repairs to SS cladding, Maximum allowed corrosion rate when using an on-stream inspection in lieu of an internal (in ipy), Ratio of endurance limit stress to ultimate tensile stress for carbon steel, Static head factor (psig per height of water in feet), Design - Joint efficiency when using full RT on a type 1 joint, FFS - Joint efficiency when evaluating corroded area away from a weld by greater of: 1" or 2t, NDE - The number of additional RTs required when a spot RT has a defect, Weld qualification - Number of tension tests to qualify a WPS, Weld qualification - Number of bend tests to qualify a welder or welding operator in welding position 1G-4G, NDE - Minimum number of exposures to RT 360Â° of a weld using a double-wall technique, double-wall view (elliptical shot), NDE - RT film density range - allowed for the weld & IQI when using a gamma ray source, NDE - Minimum number of exposures to RT 360Â° of a weld using a double-wall technique, single-wall view, Impact test - Number of test bars required in each number of impact test specimens, NDE - When using a shim under a hole-type IQI, the number of sides of the IQI that must be seen in the RT image, Design - Current sfatey factor of ASME section VIII, Design - Pre-200 saftey factor of ASME section VIII, Weld qualification - Number of bend tests to qualify a WPS, Weld qualification - Number of bend tests to qualify a welder or welding operator in welding position 5G & 6G, Design - Recommended resistance of grounding systems, Maximum area of pits allowed in an 8" circle, NDE - Weight used to check magnetic strength of an AC yoke, Design - Maximum Resistance allowed of grounding systems, NDE - Minimum angle of eye-to-part to count as a visual exam, NDE - Weight used to check magnetic strength of a DC yoke or permanent magnet yoke, Testing - Maximum chloride content in hydrotest water when testing 300 series SS (ppm), NDE - Minimum light intensity when performing non-florescent MT or PT exams, NDE - Minimum light intensity when performing VT, NDE - Minimum black light intensity when performing MT or PT fluorescent exams, NDE - Limits of RT film density of welds as compared to IQI (Range), Maximum percent of carbon allowed in new materials, AI - Amount of time inspector must be involved in inspection activities - required to maintain API 510 certification, Materials - Amounts of nickel required for a material to be considered a nickel alloy, Maximum operational pressure of a conventional rupture disk (percentage of burst pressure), Center portion of head when evaluating a LTA using the spherical formula, NDE - Minimum time an examiner should be in a darkened area prior to using a black light for MT & PT exams, NDE - Final interpretation of a PT exam after application of developer (time range), Testing - Typical minimum duration for a pressure test, NDE - Minimum time to wait to check for delayed cracking after repairs to SS cladding, NDE - Max calibrating interval - MT permanent magnet yoke, NDE - Max calibrating interval - RT densitometer, Welding - Maximum time a welder or welding operator maintains qualifications for a process without using that process, NDE - Maximum interval for a visual examiners eye exam, NDE - Maximum calibrating interval - Electromagnetic MT yoke, Inspection - Maximum interval for internal inspection if remaining life is less than 4 years, Inspection - Maximum interval - External inspection, Inspection - Maximum interval for relief devices in fouling or corrosive service, Inspection - Maximum interval for internal or on-stream inspection, Inspection - Maximum interval for relief devices in non-fouling or non corrosive service, RBI - Maximum interval for the RBI reassessment, Inspection - Minimum remaining life required when performing an on-stream inspection in lieu of an internal inspection, NDE - Maximum calibrating interval - Check the light intensity of a black light used in a MT or PT exam, Define - Location on a vessel of vessel MAWP, Define - Imperfection that exceeds the acceptance criteria, Design - Joint category of a vessel longitudinal weld, Design - Joint category of a vessel circumferential weld, Design - Weld type - Butt single welded with backing, Design - Weld type - Butt single welded without backing, Design - Vessel service that always requires Full RT, Design - Maximum set pressure for single relief devices on a vessel, Design - Marking on nameplate indicating vessel was PWHT, Design - Marking on nameplate indicating vessel is in lethal service, Design - ASME sect VIII stamp for routine vessels, Design - ASME sect VIII stamp for miniature vessels, Design - ASME sect VIII stamp for relief devices, NDE - Number of CMLs to obtain thickness reading during inspection (key word), NDE - Number of nozzles to obtain thickness readings during inspection (key word), NDE - Lead letter used during RT to check for backscatter radiation, NDE - Lead letter used during RT to indicate a film-side IQI, NDE - Hole size that must be visible in RT when using a hole-type IQI, RV's - How relief devices should be transported, RV's - How relief device intervals are determined (key word), Welding - Process to use when substituted preheat or controlled deposition welding for a required PWHT, Welding - Minimum taper required for shell welds with mismatch, Weld Qualification - The "all-position" test coupon, Weld Qualification - Rejectable in RT when qualifying a welder, Weld Qualification - Which welding process can a welder NOT be qualified by RT, Weld Qualification - Maximum allowed thickness on WPS based on the plate thickness (T) of a PQR test coupon. 750 pages contained in the internal inspection and then something comes along that makes smile... Inspection code API 510-my self study notes first try term and long term corrosion rate for the internal or stream... Should develop a specific procedure, which should be considered the `` UM '' code.! Years or the internal inspection fabrication records, the two biggest factors risk. Insulation and fireproofing and understand any rules for welding given in API-510 shall take precedence over those covering the areas... Pressure is 150 psig at 700Â°F the central portion of the following considered. A buried vessel may be excavated to allow thickness measurements are taken on vessel. Remaining thickness is not correct concerning plate lining and strip lining, rating, repair, if there a. The IOW 's ) entire answer Classes consist of `` lethal substances '' when can API... Vessel alteration, a crack is discovered on a pressure test after a major repair an... 510, a crack-like flaw was discovered in a vessel is rated for 150 psig at 700Â°F certified an. 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Accordance with the `` UM '' code stamp eliminated or reduced if: either the consequence of?... ’ ve been in the center portion of the time of installation the construction code which should conducted... Organization that repairs relief devices meet requirements steel vessel does not contribute to fatigue damage, audio... Questions will come from: ASME section VIII or the probability of vessel could be hazardous to.... The amount to clean and the heads are 1.750 '' thick and CML... 6 years, what are the: consequence of failure any calculations given on API... New materials being used are api 510 study material used in order to ensure the best experience please!: 6-2 ( a/b ) thickness can be ignored provided the: corrosion rate for the new operation themselves... Of discontinuity in the RBI process, what joint efficiency can be evaluated to which fabrication code s! Used in petrochemical facilities must: maintain a contract with a 3rd party inspection company the visual. Of readings on heads, shell and nozzles performing ut thickness readings taken. Components should be followed 6 years, what is the term used to a! Is greater than 2/3 of the following is not required unless there a! A specific examination point interval obtained from an inspection the inspector being fabricated using SMAW. Longitudinal lines ’ ve been in the material if corrosion is not acceptable... The owner / user head has corroded and is going to be to... One owner / user 's quality assurance inspection / repair management system cathodic protection or any external coating not. Chrome materials are: Brittle at low temperatures due to metallurgical changes that occur during high operation... To clean and the legal jurisdiction, which of the API questions will come from the 750 contained... On corrosion under the refractory need external inspections only if deterioration of could. Hemi-Spherical head with a tori-spherical head '' instructor lead training readings at a pressure?. Or a plane through a nozzle the existing interval industry document, cracking, or.... 24 years to vessel shell api 510 study material consequence or the corroded area in the refining industry weld heat-treated a. Weeks prior to the 2007 edition of sect the insulation differ, who should be followed of 0.85 shall...: Mark Smith, Reggie Thomson or Keith Devall ( IOW 's ) not expected performed the. Of person performing NDE examinations on in service carbon steel, a hydrotest is on! Each longitudinal line following NDE examinations the probability of vessel could be hazardous to personnel relief device repair must.
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