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  • Users: GOSP75
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  1. GOSP75

    Regarding requalification of procedure qualification required or not for when welding FCAW filler wire brand name change

    We have having WPS with impact test at -29 Deg.c for FCAW process. as per ASME SEC-IX. Now new filler wire brought having same SFA NO but different brand name from same manufacturer. Mechanical properties were same. Impact test carried out at -40 Deg.c We need to qualify new PQR or Proceed with...
  2. GOSP75

    Pickling & passivation is required for API 650 SS storage tank bottom plate soil side weld joint butt weld configuration without back strip or not

    We have API 650 stainless steel storage tanks of 3m and 4m dia bottom plate having butt weld configuration without back strip. The weld joints on soil side required Pickling and passivation?. Soil side no painting. Regards, Shanmuga
  3. GOSP75

    Regarding shell to curb angle welding category and NDT requirement

    In our API 650 tank project we have curb angle to shell welding - Butt welding with full penetration. My query is now the curb angle is considered as permanent attachment and NDT requirement have to be followed accordingly or permanent attachment weld requirement not applicable to shell to curb...
  4. GOSP75

    Regarding curb angle

    In our API 650 tank project we have curb angle to shell welding - Butt welding with full penetration. My query is now the curb angle is considered as permanent attachment and NDT requirement have to be followed accordingly or permanent attachment weld requirement not applicable to shell to...
  5. GOSP75

    NDT req for butt weld bottom plates where no annular plates small diameter API 650 tank .RT is required or Vacuum box testing is enough.

    what is the NDT for butt welded bottom plates where no annular joints available. Is there any RT requirement is there or vacuum box testing is enough.
  6. GOSP75

    Regarding Radiographic requirement for API 650 storage tank vertical joints

    Dear Members, As per API 650 section -8 subsection 8.1.2.2. Regarding radiography of shell plate vertical weld joints API 650 stated as below. 8.1.2.2 The following requirements apply to vertical joints. one spot radiograph shall be taken in the first 3 m (10 ft) of completed vertical joint of...
  7. GOSP75

    Regarding RT requirement for shell to curb angle joint in API 650 storage tanks

    Dear respected members, In our project we have shell to curb angle with butt weld configuration as below. https://res.cloudinary.com/engineering-com/raw/upload/v1727321119/tips/SHELL_TO_CURB_ANGLE_WELDING_a4s7d7.docx Radiographic requirements applicable for shell to curb angle butt joints...

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