WELD IMPERFECTIONS AND CODES IN RADIOGRAPHY
Weld Discontinuities are designated by standard abbreviations.In radiography the weld imperfection either surface or internal type,
A)
Surface Imperfections
B)
Internal Imperfections.
Standard abbreviations for
weld discontinuities as listed below,
Imperfections
Code
1)
Spatter. SSP
2)
Excessive Penetration. SXP
3)
Incompletely Filled Groove. SGI
4)
Undercut. SUG
5)
Grinding Mark. SMG
6)
Hammer Mark. SMH
7)
Surface Pitting. SPT
8)
Linear Misalignment. HiLo
9)
Root Concavity. SRC
10) Shrinkage
Groove. SGS
11) Torn
Surface. STS
12) Tool
Mark. SMT
13) Excessive
Dressing. SED
Abbreviations
for internal Imperfection as listed below,
1)
Longitudinal Crack KL
2)
Lack of Root Fusion LR
3)
Crater Crack
KC
4)
Incomplete Root Penetration LP
5)
Linear Inclusion IL
6) Tungsten Inclusions IT
7)
Gas Pore GP
8)
Crater Pipe CP
9)
Linear Porosity PL
10) Diffraction
Mottling DM
11) Uniform
Porosity
PU
12) Lack
of Side Fusion LS
13) Lack
of Inner-Run Fusion LI
14) Inclusion IN
15) Oxide
inclusion IC
16) Transverse
Crack KT
17) Copper
Inclusion IC
18) Burn
Through
BT
19) Elongated
Cavity EC
20) Localized Porosity PG
All Radio-graphs should be interpreted to determine their compliance
with a code or standard.
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