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AS 1101.3-2005

[Current]

Graphical symbols for general engineering, Part 3: Welding and non-destructive examination

Specifies symbols that provide the means of placing complete welding information on drawings. It describes the application of these symbols and includes illustrated examples for their use in various welding processes. A separate section covers the symbols to be used on drawings to specify non-destructive examination requirements.
Published: 31/03/2005
Pages: 109
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Referenced documents
1.3 Definitions
1.4 Design and dimensions of Standard symbols
2 Basic principles
2.1 Basic symbols
2.1.1 Distinction between weld symbol and welding symbol
2.1.2 Illustrations
2.1.3 Basic weld symbols
2.1.4 Supplementary symbols
2.1.5 Standard location of elements of a welding symbol
2.2 Basic types of joints and welds
2.2.1 Basic types of joints
2.2.2 Applicable welds
2.3 General provisions
2.3.1 Location significance of arrow
2.3.1.1 General
2.3.1.2 Butt, fillet, and flange weld symbols
2.3.1.3 Plug, slot, spot, seam and projection weld symbols
2.3.1.4 Symbols with no side significance
2.3.2 Location of weld with respect to joint
2.3.2.1 Arrow side
2.3.2.2 Other side
2.3.2.3 Both sides
2.3.3 Method of drawing symbols
2.3.4 Location of a specification, procedure, process, or other reference
2.3.4.1 Symbols with references
2.3.4.2 Symbols without reference
2.3.4.3 General notes
2.3.4.4 Process indication
2.3.4.5 Symbol without tail
2.3.5 Site weld symbol
2.3.6 Symbol for complete penetration from one side
2.3.6.1 Use
2.3.6.2 Location
2.3.6.3 Dimensions
2.3.7 Contour and surface finish methods for complete penetration from one side
2.3.7.1 Flush contour
2.3.7.2 Convex contour
2.3.8 Extent of welding denoted by symbols
2.3.8.1 Abrupt changes
2.3.8.2 Hidden joints
2.3.8.3 Approximate location
2.3.8.4 Use of weld-all-around symbol
2.3.9 Weld continuity
2.3.10 Finishing of welds
2.3.11 Construction of symbols
2.3.12 Crank in arrow
2.3.13 Reading of information on welding symbols
2.3.14 Combined weld symbols
2.3.15 Complete penetration
2.3.16 Designation of special types of weld
2.3.17 Multiple reference lines
2.3.17.1 Sequence of operations
2.3.17.2 Supplementary data
2.3.17.3 Test information
2.3.17.4 Supplementary symbols
3 Symbols for fillet welds
3.1 General
3.1.1 Dimensioning fillets
3.1.2 Symbols with no general note
3.1.3 Symbols with general note
3.2 Size of fillet welds
3.2.1 Location
3.2.2 Unequal legs
3.2.3 Minimum size
3.2.4 Penetration
3.3 Length of fillet welds
3.3.1 Location
3.3.2 Abrupt changes
3.3.3 Specific lengths
3.4 Extent of fillet welding
3.4.1 Hatching
3.4.2 Welds beyond abrupt changes
3.5 Dimensioning of intermittent fillet welding
3.6 Termination of intermittent fillet welding
3.6.1 Intermittent fillets only
3.6.2 Intermittent welds between continuous welds
3.7 Combination of intermittent and continuous fillet welding
3.8 Fillet welds in holes and slots
3.9 Surface finish and contour of fillet welds
3.9.1 Contours obtained by welding
3.9.2 Flat contour by mechanical means
3.9.3 Convex contour by mechanical means
3.9.4 Concave contour by mechanical means.
3.10 Skewed joints
4 Symbols for butt welds
4.1 General
4.1.1 Dimension location
4.1.2 Double-butt dimensions
4.1.3 Cranked arrow
4.1.4 Dimensions in general note
4.2 Depth of preparation and design throat thickness of butt welds
4.2.1 Location
4.2.2 Complete joint penetration required
4.2.3 Partial joint penetration specified, depth of preparation not specified
4.2.4 Depth of preparation specified, design throat thickness not specified, or specified elsewhere
4.2.5 Depth of preparation and design throat thickness specified
4.2.6 Special case of requirement of Clause 4.2.5—Design throat thickness where specified less than depth of preparation
4.2.7 Joint preparation optional, complete penetration required
4.2.8 Joint preparation optional, design throat thickness specified
4.2.9 Flare-butt welds
4.3 Joint preparation dimensions
4.3.1 Root gap
4.3.2 Preparation angle
4.3.3 Radii and root faces
4.4 Surface finish and contour of butt welds
4.4.1 Contours obtained by welding
4.4.2 Flush contour by mechanical means
4.4.3 Convex contour by mechanical means
4.5 Backing run or backing welds
4.5.1 General
4.5.2 Backing run or backing weld symbol
4.5.3 Surface contour of backing run or backing welds
4.5.3.1 Contours obtained by welding
4.5.3.2 Flush contour by mechanical means
4.5.3.3 Convex contour by mechanical means
4.6 Joint with backing
4.7 Joint with spacer
4.8 Convention for back gouging after welding one side
5 Symbols for surfacing
5.1 General
5.2 Use of surfacing symbol
5.2.1 Symbol application
5.2.2 Arrow side significance
5.2.3 Dimension location
5.3 Size (thickness) of surfaces built up by welding
5.3.1 Minimum thickness
5.3.2 Unspecified thickness
5.4 Extent, location, and orientation of surfaces built up by welding
5.4.1 Entire area
5.4.2 Portion of area
5.5 Surfacing a weld face
6 Symbols for edge welding
6.1 General
6.2 Edge weld size
6.3 Single- and double-edge welds
6.4 Edge welds requiring complete joint penetration
6.5 Edge welds on joints with more than two members
6.6 Length of edge welds
6.7 Intermittent edge welds
6.7.1 Pitch
6.7.2 Pitch dimension location
6.7.3 Chain intermittent edge welds
6.7.4 Staggered intermittent edge welds
6.7.5 Extent of welding
6.7.6 Location of intermittent welds
7 Symbols for plug welding
7.1 General
7.1.1 Arrow side holes
7.1.2 Other side holes
7.1.3 Dimensions
7.1.4 Fillets in holes
7.2 Size of plug welds
7.3 Angle of countersink
7.4 Depth of filling
7.5 Spacing of plug welds
7.6 Surface contour of plug welds
7.6.1 Flush welds without finishing
7.6.2 Flush welds mechanically finished
8 Symbols for slot welding
8.1 General
8.1.1 Arrow side slots
8.1.2 Other side slots
8.1.3 Dimensions
8.2 Depth of filling
8.3 Details of slot welds
8.4 Surface finish and contour of slot welds
8.4.1 Flush welds without mechanical means
8.4.2 Flush welds mechanically finished
9 Symbols for spot welding
9.1 General
9.1.1 Arrow side significance
9.1.2 Dimension location
9.1.3 Process reference
9.1.4 Projection welds
9.2 Size and strength of spot welds
9.3 Spacing of spot welds
9.4 Extent of spot welding
9.5 Number of spot welds
9.6 Grouped spot welds
9.7 Flush spot-welded joints
9.8 Multiple-joint spot welds
10 Symbols for seam welding
10.1 General
10.1.1 Arrow side significance
10.1.2 Dimensions
10.1.3 Process reference
10.2 Size and strength of seam welds
10.3 Length of seam welds
10.3.1 Dimension location
10.3.2 Abrupt changes
10.3.3 Specific lengths
10.4 Dimensioning of intermittent seam welds
10.4.1 Pitch distance
10.4.2 Dimension location
10.5 Orientation of seam welds
10.5.1 Intermittent welds
10.5.2 Showing orientation
10.6 Flush seam-welded joints
10.7 Multiple-joint seam welds
11 Symbols for stud welding
11.1 Side significance
11.2 Stud size
11.3 Spacing of stud welds
11.4 Number of stud welds
11.5 Dimension location
11.6 Location of first and last stud welds
12 Symbols for brazed joints
12.1 General
12.2 Joint preparation
13 Symbols for non-destructive examination
13.1 Basic symbols
13.1.1 Basic examination symbols
13.1.2 Elements of the examination symbol
13.1.3 Standard location of elements
13.2 General provisions
13.2.1 Location significance of arrow
13.2.2 Location of examination symbol
13.2.2.1 Arrow side location
13.2.2.2 Other side location
13.2.2.3 Symbols on both sides
13.2.2.4 Centred symbols
13.2.3 Direction of radiation
13.2.4 Combination of non-destructive examination symbols and welding symbols
13.2.4.1 Welding and non-destructive examination symbols
13.2.4.2 Non-destructive examination symbols alone
13.2.4.3 Arrow side significance
13.2.5 Use of references
13.3 Methods of specifying extent of non-destructive examination
13.3.1 Specifying length of section to be examined
13.3.1.1 Length shown
13.3.1.2 Location shown
13.3.1.3 Examination of full length
13.3.1.4 Partial examination
13.3.2 Specifying number of examinations
13.3.3 Specifying examinations made all around a joint
13.3.4 Specifying examination of parts (areas)
13.3.5 Acoustic emission
Appendix A
Appendix B
Cited references in this standard
[Current]
Welding, brazing and cutting of metals — Glossary of terms
Content history
[Superseded]
DR 04480
AS 1101.3-2005 REC:2018
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