Greetings
What type of corrosion is this? Pitting or General corrosion or
Carbon steel Deminilarised Insulated Water Tank. This is found after removing insulation. tank
Tank is near to sea .
Hello Seniors,
According to API 650 Section 5" The ring of annular Plates shall have a circular outside circumference, but may have a regular polygon shape inside the tank shell, with number of sides equal to the number of annular plates." is this clause(number of sides equal to the number of...
Dear All
Is it required that for an 8 mm new bottom plate replacement over existing plate shall have full penetration weld to the shell plate. I mean is a bevel required in the shell plate . All bottom plate to be replaced. Plate is A36. API code .
Dear All
In continuation to the following thread,
https://www.eng-tips.com/threads/welding-procedure-qualification-standards-for-stainless-steel-for-corrosion-resistance-service.518896/post-8988507
Is it required to do any corrosion test for Welding Alloy 825 pipes for 95% concentrated...
Dear All
Our Company is planning to start welding for 12 mm shell in a carbon steel A 36 Tank. For getting complete penetration we have to do back gouging and weld. After how many pass in the front side shall we back gouge and do back weld. This question arises due to consideration for welding...
Dear All
My company got a Tank Job , Carbon steel Water Tank , to replace the existing Bottom plate . We plan to cut one existing shell to remove and insert the new bottom plate. Is stress relief heat treatment required after welding the shell . Is it depend on the shell thickness
Dear All
Is it Mandatory to provide a Flush type shell Man way opening or a flush type clean out fitting in a API 650 tank? Also, what is the purpose of thermal stress relief in such a connection (Section 5.7.4)
Dear Experts
Para 5.1.5.3 of 2020 Edition says "Unless otherwise specified, abutting shell plates at horizontal joints shall have a common vertical centerline". I am trying to understand it, but my relatively little experience in Tanks makes it difficult to understand. Any good Samaritan can...
Dear Experts,
In ASME Sec IX QW 451.1 is for the Transverse bend test and 451.2 longitudinal bend test. How can we decide when I have a specimen of thickness "t" which bend test is to be performed?
Dear All
This is a general detail for a Pump foundation anchor bolt. Is it required to fill concrete between pipe sleeve and anchor bolt in the below detail? This detail is from Hydraulic Institute standard HI-14.4
Dear All
I have a situation as below in my work now.
Replace an existing MOV (Gate Valve) size 4 inch with a new Super duplex MOV in a seawater line of 4 inch GRE piping.
Bolt circle Dia of Pipe flange is 190.5 mm ,Rating Class 150
BCD of new Valve is 180 mm, Class 150.
How to connect...
Dear All
What are the possible mechanical damages for a centrifugal submersible pump operating in a condition with lesser than the minimum water level, daily 2 hours approximately possibly for two-three months continuously
Dear All
I am trying to develop a WPS for Super duplex UNS32750 Tube material, Sch 40, One and a Half inch size. Using Electrode E2594-16 is it required to use purge gas? . Process SMAW. Data sheet...
Dear API Inspectors
My API 570 Certificate is expiring in 2023. As per new API guidelines I need 16 CPD Hours to renew my certificate. Can anyone recommend some online programs wherein I can attend and gain the necessary points?
Dear All
I am using a pump with the following Data sheet and Pump curve.
When I asked the following question to the Vendor
"From datasheet the Max Pump pressure is given as 25 bar. As per the Pump curve, the max pressure is 8 bar approximately. Can u please clarify"
His reply is as...
Following is a Exam Question. What is the correct answer
Buckling of a Member depends on which of the following
a) Ductility
b) Geometry
c) Yield strength or(Point)
d) Tensile strength
