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API 653 Data Sheets-Miscellaneous Numbers
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Roofs- Maximum amount of primary seal that can be removed for repair while tank is still in service
653: 9.13.1
1/4
NDE- Minimum number of RT's required on a circular shell replacement plate
653
: 12.2.1.6.1
1
FFS- Current joint efficiency "E" in API 650
653
: Table 4.2
1.0
FFS- Joint efficiency "E"- Calculating t
min
for an LTA, when LTA is away from rivets by ≥ 6"
653
: 4.3.4.1
1.0
FFS- Joint efficiency "E"- Calculating t
min
for an LTA, when LTA is away from weld by greater of: 1" of 2t
653: 4.3.3.1
"E" defined
1.0
Reconstruction- Number of sets of center punch marks located on top and bottom edges of each shell piece
653: 10.3.5.2
2
Weld Qualification- Number of tension test to qualify a WPS
IX: QW 451.1
2
Weld qualification- Number of bend tests to qualify a welder or welding operator in welding positions 1G-4G
IX: QW 452.1.a
2
NDE- Minimum # of exposures to RT 360° of a weld using a double-wall technique, double-wall view (elliptical shot)
V: T-271.2.b.1
2
NDE- RT film density range-allowed for the weld & IQI when using a gamma ray source
V
: T-282.1
2.0-4.0
NDE- Minimum # of exposures to RT 360° of a weld using a double-wall technique, single wall view
V: T-271.2.a
3
Impact Test- Number of test bars required in each set of impact test specimens
650
: 4.2.9.3
3
NDE- When using a shim under a hole-type IQI, the number of sides of the IQI that must be seen in the RT image
V: T-277.3
3
Hot tap- minimum number of UT readings around the circumference of a new hot tapped nozzle
653: 9.14.3.2
4
Weld Qualification- Number of bend tests to qualify a WPS
IX: QW 451.1
4
Weld Qualification- Number of bend tests required to qualify a welder in welding positions 5G & 6G
IX: QW 452.1.a Note 1
4
FFS- Corrosion averaging in a shell LTA- Minimum # of UT readings to take on each designated vertical line
653: 4.3.2.1.c
5
NDE- Minimum number of RT's required on a square or rectangular shell replacement plate
653
: 12.2.1.6.2
6
Settlement- Minimum number of settlement points around circumference
653
: 12.5.2 & Fig B.1
8
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Author
egf4201
ID
327204
Card Set
API 653 Data Sheets-Miscellaneous Numbers
Description
API 653 Data Sheets-Miscellaneous Numbers
Updated
2017-01-05T22:49:41Z
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