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impact test joule value for sub size specimen

impact test joule value for sub size specimen

impact test joule value for sub size specimen

(OP)
Guys,
Need your help regarding the impact test recently done. Please be informed for the ff
1) Design Temp is -28
2) Test coupon is 12.7 mm, API 5L X60,
3) Gtaw & Smaw Process
4) SMAW Size for impact test is 10x10x55
5) Gtaw size for impact test is 2.5x10x55
6) Both are done using -28 test temperatue
7) requirement shall be minimum of 32 J per specimen
8) SMAW SPECIMEN passed for HAZ & WELD METAL. above 32 J
9) GTAW SPECIMEN is below 32J. For HAZ is 28,30,14 & for WELDMETAL - 11,20,16
QUESTION
1) Does linear interpolation allowed in JOULE, because of reduction in size for GTAW
2) Does the above data from GTAW SPECIMEN HAZ& WELDMETAL passed the requirements as per linear interpolation

RE: impact test joule value for sub size specimen

(OP)
Sorry....will not repeat in again.......... B31.3 is the code.....

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