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You're right metengr according to interpretation I-89-04 (see file attached). Thanks! http://files.engineering.com/getfile.aspx?folder=b9051820-3bd8-4725-b303-ed068e7cc022&file=ASME_Section_1,_interprTtation_I-89-04.pdf

Do I need mill test for tubes to be installed on a Power Boiler built according to ASME Section I? hcjulien

I'm searching for the fatigue curve of the following material: • 5Cr-0.5Mo : A-335-P5/SA-335-P5/UNS K41545 • Stainless Steel : A-297 HF (mod 5014) Can you refer me some references I can buy that does include these curves? Thanks!!! Hcjulien

To see if crevice corrosion has occurred in the middle of the pad. Cannot use conventional UT because of the concrete foundation below and the pressure wall in the opposite side. Need to know if another NDE method is available to measure the integrity of the pad by the side of the pad...

Hi, I want to know if a NDE method exists to be able to measure the available thickness of a saddle reinforcement pad welded on a horizontal pressure vessel and installed on a concrete foundation as shown in the following picture (see red arrow). The pad in made from SA-516 Gr. 70 plate, 1''...

Hi, All formulas described in API 650 appendix P are based on the following document: Analysis of Loads for Nozzles in API 650 Tanks, M. Lengsfeld,... Paper PVP-Vol 430, ASME, New York, 2001. I want to buy a copy of this document. Where can I find it? Regards, Hcjulien

We have a pressure vessel manufactured according to ASME Section VIII div. 1. An inspector has rejected our design because we didn't take in consideration the pressure thrust on the manhole opening design per WRC 368. I've try to explain to the inspector that all stress caused by the...

Hi, I need to specify which standard to a contractor to repair a leak in one 15 feet diameter atmospheric fiberglass reinforced plastic (FRP) storage tank. I've found two standards related to FRP: API Spec 12P, Specification for Fiberglass Reinforced Plastic Tanks & MTI 129, A Practical Guide...

Hi, we have to transport (piping) and store (storage tank)tallow at a temperature of 150F with a TAN of 6.2 mg KOH/gr, Sulphur at 50 ppmwt, Nitrogen at 236 ppmwt, Na at 53 ppmwt, Ca at 5 ppmwt, K at 40 ppmwt, P at 194 ppmwt, Mg at 11 ppmwt and Si at 17 ppmwt. Do you think Carbon steel will...

Thank you! Your answers are very appreciated! But let's continue our discussion with let's say the same story with a 1/4'' thick plate (heat loss higher than 3/4'')?

We are creating a 3/4'' thick butt weld on a P4 (1.25Cr-0.5 Mo) low alloy steel material. According to the weld procedure we are keeping a preheat temperature of 350F. The welder during the welding process has dropped by mistake a big glass of water on the surface of the weld and the...

Hi, A 4'' nom. dia. piping has high propability of slug flow and the current support shall be redesigned. I was thinking to put a fix support or a hydraulic shock absorber damper device at the end of a long horizontal section. Normally, when you design pressure piping (ASME B31.3) including...

I have the same question in 1) above (see xema 77 question)! Does somebody can answer this important question?

Hi, I'm calculating the remining life of a heater designed according API 530. The skin temperature of the convection portion of the heater is working at 1000F and is made of A200 T9. My question is for the rupture design and not for the elastic one. If the future steel to be corroded...

Hi, Is there any API/ASME/CSA/BS standard or other references specifying the exact minimum required thickness rules for pressure vessel and piping to be able to resist safely to stress caused by sandblast when the equipment is still alive? Thanks in advance

Hi all, We have a leak in a flange on the tube side of a kettle type heat exchanger (tube side has higher pressure than shell side). The exchanger is a AKT type (TEMA). We have often condensate accumulation on the bottom of the channel creating a temperature gradient in the flange. The...

Thanks DSB123, No problem to create a FEA analysis, but how can I still find the SIF? What I was thinking to do is finding the Von Mises stress ratio : stress at the Y connection (at the weld) divided by the stress in a straight pipe (having the same diameter as the the smallest diameter in...

Hi, To be able to realize a complete stress analysis, I'm searching for a way to determine the ''i'' factor (Stress Intensificator Factor) of an unreinforced fabricated ''Y'' connection in a B31.3 piping system. Can you help me out? Thanks in advance, Hcjulien

I have a heater tube made from A200 T9 (9Cr-1Mo) operating at 500 PSIG and 725F. In is working life, several times (Qty: 10) the tube has reached 1000F at the same pressure. Today I have to evaluate if a localized thin area is acceptable to operate for the next two years. Supposing that we...

Please consult the ''SELO'' web site and you will have all the requested details to be a certified pressure vessel company for the China market. http://www.cbpvi.org/special1.html I used to work for a Canadian ASME pressure vessel and we were A2 certified. Regards, Hcjulien