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API 653 Data Sheets-Thicknesses
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Linings- Thickness of a thin film lining
652
: 3.26
< 0.020"
Bottom- Minimum allowed bottom plate thickness when there is a reinforced liner that is > 0.050" thick
653
: Table 4.4
0.050"
Bottom- Minimum allowed bottom plate thickness when there is a means to detect and contain leak
653
: Table 4.4
0.050"
Roofs- Minimum allowed average thickness of corroded roof plate
653
: 4.2.1.2
0.090" in
100 in
2
Shell- Minimum arbitrary shell thickness (used when calculated minimum thickness is below this number)
653: 4.3.3.1
0.100"
Bottom- Minimum allowed thickness of bottom plate at toe of the external shell-to-bottom fillet weld
653: 4.4.5.7
0.100"
Bottom- Minimum allowed bottom plate thickness away from critical zone or an annular plate
653: Table 4.4
0.100"
Bottom- Minimum allowed plate thickness in critical zone that can be repaired by weld-buildup
653: 9.10.1.6.b
0.100"
Roof rim- Minimum allowed roof rim thickness
653
: 9.13.6.2
0.100"
Roof- Minimum thickness of new roof plate (cone & floating)
650
: 5.10.2.2 & C.3.3.2
635
: 9.11.2.1 & 9.11.3.1
3/16"
Roof rim- Minimum thickness of new roof rim
653
: 9.13.6.2
3/16"
Bottom- Normal minimum thickness of new bottom plate
650: 5.4.1
1/4" (0.236")
Bottom patch- Maximum thickness of lap-patch in critical zone
653: 9.10.1.2.a
1/4"
Brittle- Thickness when brittle fracture is NOT a concern
653: Fig 5.1
≤ 1/2"
Shell patch- Max shell thickness when lap-patches are allowed
653: 9.3.1.2
1/2"
Shell patch- Maximum patch thickness for a shell lap-patch
653: 9.3.1.3
1/2"
Weld qualification- When can UT be used in lieu of RT to qualify a welder/welding operator
IX
: QW-191.2.1.a
≥ 1/2"
NDE- When welding existing shell plate. Thickness that requires 100% examination by RT and MT or PT
653: 12.1.5.1
> 1"
NDE- Plate thickness which requires 100% of vertical welds to be radiographed
650
: 8.1.2.2.c
> 1"
Reconstruction- Shell plate thickness that requires all welds to be pre-heated to at least 200° F
653: 10.4.4.3
> 1-1/2"
Shell Pits- Minimum remaining thickness allowed below a pit
653: 4.3.2.2.a
1/2 t
min
Author
Anonymous
ID
327183
Card Set
API 653 Data Sheets-Thicknesses
Description
API 653 Data Sheets-Thicknesses
Updated
2017-01-05T17:35:32Z
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