Welding Symbols(ISO 2553)
ELEMENTARY WELD SYMBOLSSquare Groove Weld
Single V Groove Weld
ELEMENTARY WELD SYMBOLSSingle Bevel Groove Weld
Single V Groove Weld with Broad Root Face
ELEMENTARY WELD SYMBOLSSingle Bevel Groove Weld with Broad Root Face
Single U Groove Weld
ELEMENTARY WELD SYMBOLSSingle J Groove Weld
Backing Weld
ELEMENTARY WELD SYMBOLSFillet Weld
Plug / Slot Weld
ELEMENTARY WELD SYMBOLSSpot Weld
Seam Weld
ELEMENTARY WELD SYMBOLSEdge Weld
Surfacing
SUPPLEMENTARY SYMBOLS
FlatConvex Concave
Weld Profile
SUPPLEMENTARY SYMBOLS
Toes blended smoothly
Permanent Backing Strip
M
Removable Backing Strip
MR
SUPPLEMENTARY SYMBOLSPeripheral Welds
SUPPLEMENTARY SYMBOLS
Site welds
SUPPLEMENTARY SYMBOLSTail Optional)
Sequence of Information in the Tail
• Process (as per ISO 4063)
• Acceptance Level (as per ISO 5817 or ISO 10042)
• Working Position (as per ISO 6947)
• Filler Materials (as per ISO 544 or ISO 2560 or ISO 3581)
EXAMPLES OF APPLICATIONMethod of representation
Weld Joint
Arrow Line
Reference Line (Continuous)
Reference Line (Dashed)
EXAMPLES OF APPLICATIONWelding on the Arrow Side
Arrow Side
Other Side
EXAMPLES OF APPLICATIONWelding on the Other Side
Arrow Side
Other Side
EXAMPLES OF APPLICATIONWelding on the Other Side
Other Side
Arrow Side
EXAMPLES OF APPLICATIONWelding on the Arrow Side
Other Side
Arrow Side
EXAMPLES OF APPLICATIONWhich is the Other Side in this case?
Side A
Side C
Side B
Side D
EXAMPLES OF APPLICATIONWelding on both Sides
Other Side
Arrow Side
EXAMPLES OF APPLICATIONSymmetric Welding on both Sides
EXAMPLES OF APPLICATIONPointing of Arrows for Bevel and J Joints
OR
EXAMPLES OF APPLICATIONPointing of Arrows for Bevel and J Joints
DIMENSIONING OF WELDSButt Joints
l
s l s
DIMENSIONING OF WELDSFillet Welds
z5 l5
5
a5 l
5
DIMENSIONING OF WELDSFillet Welds
a a a
DIMENSIONING OF WELDSIntermittent Fillet Welds
l (e) l (e)
z n x l (e)
z n x l (e)
DIMENSIONING OF WELDSStaggered Intermittent Fillet Welds
z n x l (e)
z n x l (e)
l (e) l (e)
l (e) l (e)
DIMENSIONING OF WELDSSpot Weld
d n (e)
d
e e
DIMENSIONING OF WELDSSeam Weld
d n x l (e)
d
l e
DIMENSIONING OF WELDSPlug Weld
d n (e)
d
e e
DIMENSIONING OF WELDSSlot Weld
d n x l (e)
d
l e