tfdavid,
You say the operating conditions of the pipeline are different than the values in the welding procedure? In what regards? (flow rate, carbon equivalency, wall thickness etc.)
Telles,
Unless the procedure they provided you was written under the guidlines in Appendix B of API 1104, which then it will have CE information or flow rate information, then you are correct. For your job, it will have to be qualified either with the Grade 70 material or go to the highest...
I am trying to find any ASME code requirement for the maximum hieght for external reinforcement (Cap pass). API specifies a maximum of 1/16", however, I am curious if ASME adresses this situation and if so, how?
I appreciate any help you may provide.
Thanks in advance,
Mark
Hexx,
As per section 5.3.2.10 of API 1104 20th edition the time between the completion of the root pass and the start of the second pass, as well as the time between the second and start of other passes must be specified in the Weld Procedure Specification (WPS). This rule becomes an essential...
I am in the process of establising some new PQR's under API 1104 code, section 5.
The pipe grades to be tested will be the norm for the pipeline industry:
X-42, X-60, X-65 and X-70
Weld Processes to be used:
SMAW cellulose electrode
SMAW cellulose + lo-hy electrode
GMAW
FCAW
My question is...
Regarding inspection personnel for visual weld inspection contained in API 1104 8.3
I would like to get a general sense of what qualifications for the individuals who inspect welds are the pipeline operators requiring in the United States and how they are achieving this.
Certified Welding...
This is one of those "ask six different people and get six different answers" questions!
Section 5 of API 1104 (Welding Procedures) requires you to requalify a welding procedure on material 65 ksi and greater if you change a filler metal AWS Classification.
My question is:
Would changing...
As you may know, the 19th edition of 1104 contained an error in figure 12 under the welder qualification section. An errata was issued in 2001 but it only claimed the error in the greater than 12" diagram. I have ordered the 20th edition, but I need to know RIGHT NOW if the diagram in the 20th...
