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Thank you Sir/Madam Metenger. It was useful. But I wanted to know if there is any standard for this purpose. Sincerely,

Dear friends, I was wondering if there are any standards (or any other types of documents) for checking electrodes coatings. In the other words, what are the ways to check if the coating of an electrode is fine, and according to what standard are these ways? Thank you in advance,

Would u explain more please?

Hi. We use U-type Stainless steel heat exchangers for boilers. These heat exchangers are subject to stress because of bending. My question is how can we relieve stress? I know we can't use PWHT for stainless steels because of knife attack.

Thank you, It seems to be my answer.

Hi friends. In separated junction method of attaching thermocouple wires (for PostWeld Heat Treatment), why do we attach (weld) each wire of thermocouple separately to the surface of the workpiece? Why not connected to each other? I know the wires of a thermocouple should be connected to each...

Thank you all my friends.

Thank you GenB. Thank you DrEqt, but UCS-56(d) is for vessel, I need procedure for piping.

Would you mention some usual example?

Hi. How much difference in temperature between thermocouples in PWHT device is allowable? Thank you.

Hi. I want to know why hardness testing is performed after PWHT? Is it required or recommended (According to which standard)? What will be happened after PWHT that make us to perform hardness testing? And why is it important for us? Thank you in advance.

SJones Thank you very much. What are their applications? I mean when do you use KYNAR or HALAR?

Hi everyone. I have two questions. 1- What are the differences between KAYNAR cable & HALAR cable used in cathodic protection? 2- If we have bought a cable from an unknown vendor, how can we find out the cable is HALAR or KAYNAR? Thank you in advance.

Hi. Are the materials of thickness greater than 12.7 mm, subject to impact tests at temperatures below 0°C? If yes, according to which Standard? Thank you in advance.

Hi there. Can't we use XLPE/PVC cable instead of HMWPE/PVDF for cathodic protection of underground pipes? If your answer is no, please explain why? Thanks.

Hi everybody. Does anybody know about action plan for quality assurance(QA) in cathodic protection field? I mean a list of procedures(or plans) which improves the cathodic protection of Piping. Thank you in advance.

Hi everybody. I want to know which parameters should be checked for inspection after UG pipe wrapping application, and how long after applying wrapping, the pipe should be sandfilled and backfilled (buried)? Does the sunlight damage the wrapping tapes? Thank you.

Thank you for your help, your answer was so useful.

Hi everybody. I want to know which parameters should be checked for inspection after UG pipe wrapping, and how long after applying wrapping, the pipe should be sandfilled and backfilled (buried)? Thank you.

Hi everyone. I want to know why the Primer(Epoxy)will be applied after Surface Preparation (and before Wrapping)? What is it used for? And how long after surface preparation, the primer should be applied? Thank you.