Recent content by MicroEng

As I told. we don\t need standard flange to buy from market! We need nozzle.(self reinforced nozzle.)

yes. we have specific drawing for each self reinforced item. Consultant has authority. it specify that nozzle to be made by a350lf2

Hi Dears We want to buy self reiforcing nozzle for low tempraure service tower. we select sa 350 lf2 material. The manufacturere want to press some billet from several direction by manypulator to make forging and after that hollow it by turning. as I understood manipulator just make forge bar...

Hi Dears Considering ASME 16.20 and other related standards, is there any prohibition to use plate for manufacturing RTJ gasket?!

Hi I have a question about the meaning of A20 table A1 I want to know the impact test temprature for a 516-Gr 60N. the thickness is 42 and I asked vendor to test it in -46 C. but Vendor tell that accurding to a20 table A1.15 there is no need to test at -46 and just to be test in -29 (Minimum...

Hi There is a problem in piping of my project. the distance between weld(related to pad of branches)and circumferential weld line is very low and the inspector has not accepted them. The material of piping are both CS and SS. Please let me know what the related standards and common practice of...

in ASME UHA-44,table UHA-44 ,percent of elongation & Design temp. are input to considering stress relieve or not. but S.S. 316L isn`t in this table .plz explain for me is it a special item?

thanx all . i get my answer ...more of answer . best regard

if ASME BPV Code is my mean. if the involvement of Authorized Inspector in fabrication is mandatory what`s the address of it in Code? thanx.

hi in the ASME Code .is the third party inspector mandatory? if the answer is yes.PLZ tell me the address. THANX

hi all i work in chemical plant & in our plant we have shell & tube H-Exchanger (with sure service). corrosion & leake &... is our daily problem. i think to change our H-Ex to plate type. -is it maybe? -can i have some information about plate type H-EX & their termal & mechanical calculation...

Hi Dear pls.Help me and explain me pa. 4.2.2 of NACE MR-0175(ed 2003) about Astenitic stainless. thanx.

roca Why the tubesheet must be S.S.? is it mandatory in NACE?(for H2S content) the corrosion is`nt my problem becose all of piping is C.S. -------- tickle the room is sufficient for expantion.

Thanx all my H_Exchenger is floating head type & differential expansion don`t make stress. sure service is in Tube . i think NACE have somethig about weld with different base metal but i don`t fond it.

Hi all we have some H_Exchenger in NACE MR0175 condition. Tube is S.S. 316L & Tube Sheet is C.S.(A-105). Tubes double expanded & seal weld to tube sheet. electrode is E-309 & W.P.S. is `nt content PWHT. but impacted & 200 brinel is it`t hardness. in start up seal weld is cracked & leak from...