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  1. falco

    Damage on static package turbine foil.

    Good Afternoon, During a dye penetrant examination of Static package steam turbine blades, we found out several indications on blades foil. Indications are rounded with several diameters 4 mm-16 mm and one is located on the weld toe (16 mm). I've being looking for a std to evaluate the severity...
  2. falco

    Damage on Static Package Steam Turbine blades

    Good Afternoon, During a dye penetrant examination of Static package steam turbine blades, we found out several indications on blades foil. Indications are rounded with several diameters 4 mm-16 mm and one is located on the weld toe (16 mm). I've being looking for a std to evaluate the severity...
  3. falco

    api 650 storage tank shell to bottom external fillet weld undercut acceptance criteria

    Good morning everyone, perhaps someone may help to clarify a point I´ve being inspecting some storage tanks welds, During our last inspection we found 2 mm undercut depth on the external surface of shell just besides the external fillet weld on the shell to bottom joint. If you go on to API 650...
  4. falco

    API 5CT Welding PROCEDURE

    Good Morning, Perhaps someone can be of assistance. I am qualifying a procedure to Butt weld steel which is under the specification API 5CT Grade K55. This is normally used in drilling and we use it in geothermal application for vapor under 300 psi and 180 C. I´m trying to find an API RP or API...
  5. falco

    WATER TUBE BOILER-CALCULATION FOR EVALUATION

    Well not really, What we normally were doing is based our judgement on design conditions. We were using formulas and the parameters of the plate to calculate minimum wall thickess. One of the boilers actually is 0.250" inches thick for the wall tubes, we found very rare that only 0.017" were...
  6. falco

    WATER TUBE BOILER-CALCULATION FOR EVALUATION

    Good Morning Everyone, Perhaps somebody can be of assistance with the following issues We have a situation with a power boiler evaluation, design conditions on plate are 72 kg/cm2 and 483 C. Furnace tubes are 3" OD. We would like to calculate the minimum required thickness per ASME CODE SEC 1...
  7. falco

    347 Stainless steel Sheet metal qualification WPS

    Well You may see the attached picture, thereis actually a staright line in the center but there are no sign of depressions unless they are very fine and due to film sensitivity it can be shown on the radiograph. Will do the micro as well as the X rays inspection when removing the reinforcement...
  8. falco

    347 Stainless steel Sheet metal qualification WPS

    Thanks guys, Actually we do the Dye check using fluorscent and it was ok, even we use a 20X magnifying and there were no indications. Ed, are you aware if there is any available and approved reference to support your point? We actually deal with auditors and people that are not familiarized with...
  9. falco

    347 Stainless steel Sheet metal qualification WPS

    Actually is X rays, we shot it with 70 kV 1.4 min using a D4 film. The film is very defined. We increase the kV and actually adjust the time and the indication still appears
  10. falco

    347 Stainless steel Sheet metal qualification WPS

    This might be unsual and I will appreciate any opinion We were qualifying a mmanual GTAW WPS to weld stainless steel sheet metal 0.040" thick. We use about 40 A and a travel speed range between 2-4 in/min. Gas flow used was about 20 CFH and we use also backing gas. Electrode used was 0.035"...
  11. falco

    S700MC (Alform 700M)

    Hi Everyone, Perhaps somebody can be of assistance. I'm evaluating if a WPS can be used for a specific procedure. In our country we normally use AWS and ASME, I have no Equivalencies for S700MC to an ASTM or AISI, I found on a web site that it might be equivalent to A514 but it doesn't match in...
  12. falco

    ASME API 579 FUTURE CORROSION ALLOWANCE

    Hi Everyone, I will appreciate a lot if someone can provide an idea about how shoul I proceed in this case. I have a customer that request to perform the evaluation of some pressure vessel for vapor service. Neither his organization nor me were able to find documentation about the vessel such...
  13. falco

    Ti Weld Repair

    Hi everyone, perhaps somebody may be of assistance, I was inspecting a Ti weld Ti 6 AL 4V, I´m concern due that after repair it was cracked within the weld, it was repair and after another inspection it continues to crack and so on..I´m aware that some codes or spec. does not allow to repair...
  14. falco

    WELDING PROCEDURE QUALIFICATION FOR WELDING WEAR REPAIRS

    I'd like to thanks all of you for this valuable information, we will proceed with hardness and UT, PT for the edges to ensure good quality, and also we wil get AWS D14.6 seems to have additional requirements. Thanks again for your assistance
  15. falco

    WELDING PROCEDURE QUALIFICATION FOR WELDING WEAR REPAIRS

    Hi everyone I'd like to know your opinion for the following case: I'm quite familiar with the elaboration of documents such as WPS or PQR and WPQR when using for example ASME code SEC IX or AWS D1.1 concerning pressure vessel or steel structure erection. I have a collegue that consult me what...
  16. falco

    hORIZONTAL TANKS IN SERVICE INSPECTION

    Good Afternoon Everyone, I'm looking for a standard applicable to perform inservice inspection of Underground storage tanks for gasoline and Diesel, I have found something at API.org however I would like to know if there is something else essentially for the evaluation of remaining thickness or...
  17. falco

    PRESSURE TEST ON BOILERS

    Hey there, Just on equestion, When performing pressure test on a water tube steam boiler, is there any recomendation about the rate pressure should be increased until reached the test pressure I mean how many Psi we must increase per minute untiel we reach the pressure requeired? best regards!
  18. falco

    MAIN LANDING GEAR SLIDING TUBE

    Good afternoon,´We are trying to perform an etching on MAIN LANDING GEAR SLIDING TUBE of an Airbus A320 yo detect overheating, just for curiosity the material SPEC referes to an steel NCT-10-130-11, does anaybody KNows what kind of steel could be? is there any ASTM or SAE or AISI equivalency? I...
  19. falco

    TEMPERATURE STANDARD FOR IR EVALUATION

    Hi! When performing infrared Testing of electrical panels, I have found that some components such as relay or timers have a temperature rise over a 40ºC of 20ºC and sometimes 30ºC even 54ºC. As I have been informed electric and electronic components are dseigned to perfectly operate if the...
  20. falco

    MAXIMUM ALLOWABLE STRESS FOR BS 3059

    Hi!I'm performing UT measurment on a steam boilers tubes. According to the drawing is a material that is specified as BRistish Standard 3059. If anyone of you May know the ASME equivelence (SA-XXX) or may Know the maximum allowable stress for a Temperature under 900 F, I will appreciate if he...

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