welding Symbol
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DIN -
Welded, brazed and soldered joints Symbolic representation on drawings
EN 22553
(IS0 2553 :1992)
English version of DIN EN 22553
Supersedes August 1994 edition.
ICs 01.100.20; 25.160.40
Descriptors: Welds, soldered joints, brazed joints, symbols. Schweiß- und Lötnähte - Symbolische Darstellung in Zeichnungen (IS0 2553 :1992)
European Standard EN 22553: 1994 has the status of a DIN Standard.
National foreword This standard has been published in accordance with a decision taken by CEN/TC 121 to adopt, without alteration, International Standard I S 0 2553 as a European Standard. The responsible German body involved in its preparation was the Normenausschuß Schweißtechnik (Welding Standards Committee). It should be noted that a major amendment has been made as regards the position of the symbol relative to the reference line. Hitherto, the symbol has to be placed on the continuous line, now it is to be placed on the dashed line. The DIN Standards corresponding to the International Standards referred to in clause 2 of the EN are as follows: IS0 Standard DIN Standard DIN IS0 10209-2, DIN 6-1 and DIN 6-2, DIN 15-1 and DIN 15-2 IS0 128 IS0 544 DIN EN 20544 I S 0 1302 DIN I S 0 1302 I S 0 2560 DIN EN 499 I S 0 3098-1 DIN 6776-1 DIN 3581 DIN 8556-1 IS0 4063 DIN EN 24063 IS0 5817 DIN EN 25817 IS0 6947 DIN IS0 6947') IS0 8167 DIN EN 28167 IS0 10042 DIN EN 30042 Amendments Amendments have been made only to the German version of DIN EN 22553, August 1994 edition. Previous editions DIN 1911: 1927-04, 1959-10; DIN 1912-1: 1927-04,1932-05,1937-05, 1956-05,1960-07; DIN 1912-2: 1927-04, 1932-05,1937-05; DIN 1912-3: 1961-03,1982-08; DIN 1912-5: 1976-06, 1979.02,1987-12; Supplement 1 to DIN 1912-5: 1987-12; DIN 1912-6: 1976-06, 1979-02; DIN EN 22553: 1994-08.
Standards referred to (and not included in Normative references and Annex ZA) Technical drawings - Representation in normal projection - Views and special representations DIN 6-1 Technical drawings - Representation in normal projection Sectional views DIN 6-2 Technical drawings - Lines - Basic principles DIN 15-1 Technical drawings - Lines General application DIN 15-2 DIN 6776-1 Technical drawings - Lettering - Characters DIN 8556-1 Filler metals for welding stainless and heat resisting steel - Designation and technical delivery conditions
-
-
*) At present at the stage of draft.
Continued overleaf. EN comprises 53 pages.
r I
O
No part of this standard maybe reproducedwithout the prior permissionof
DINDeutschesInstitut fur Normunge.V., Berlin.
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Ref. No. DIN EN 22553: 1997-03 Englishprice group 16
Sales No. I 1 16 11.97
Page 2 DIN EN 22553 :1997-03 DIN EN 499 DIN EN 20544 DIN EN 24063 DIN EN 25817 DIN EN 28167 DIN EN 30042
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-
Covered electrodes for manual metal arc welding of non alloy and fine grain steels Classification Filler materials for manual welding - Size requirements (IS0 544: 1989) Welding, brazing, soldering and braze welding of metals List of process names and reference numbers for use in technical documentation (IS0 4063: 1990) Arc-welded joints in steel - Guidance on quality levels for imperfections (IS0 5817:1992) Projections for resistance welding (IS0 8167: 1989) Arc-welded joints in aluminium and its weldable alloys Guidance on quality levels for imperfections (IS0 10042:1992)
-
-
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EN 22553
EUROPEAN CTANDARD NORME EUROPÉENNE EUROPAISCHE NORM
May 1994
ICs 01.100.20: 25.160.40 Descriptors: Welds, soldered joints, brazed joints, symbols.
English version
Welded, brazed and soldered joints Symbolic representationon drawings (IS0 2553 :1992)
-
Joints soudés et brasés Répresentations symboliques sur les dessins (IS0 2553 :1992)
Schweiß- und Lötnähte - Symbolische Darstellung in Zeichnungen (IS0 2553 :1992)
This European Standard was approved by CEN on 1994-05-12 and is identical to the IS0 Standard as referred to. CEN members are bound to comply with the CENXENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. The European Standards exist in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom.
(EN European Committee for Standardization Comité Européen de Normalisation Europäisches Komitee für Normung
Central Secretariat: rue de Stassart 36, B-1050 Brussels
-
O 1994. CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national members.
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Ref. No. EN 22553: 1994 E
Page 2 EN 22553 :1994
Foreword In 1993, International Standard IS0 2553 :1992 Welded, brazed and soldered joints - Symbolic representation on drawings was submitted to the Unique Acceptance Procedure. The result was positive. This European Standard has been prepared under a Mandate given to CEN by the Commissionof the European Communities and the European Free Trade Association and supports essential requirements of the relevant EC Directives. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, and conflicting national standards withdrawn, by November 1994 at the latest. In accordance with the CENKENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom.
Endorsement notice The text of the International Standard I S 0 2553 :1992 was approved by CEN as a European Standard without any modification. NOTE: Normative references to international publications are listed in Annex ZA (normative).
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I S 0 2553:1992(E)
Contents
Paar?
1
Scope
1
2
Normative references . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
3
General
...........................................................................
1
4
Symbols
.......................................................................
2
4.1
Elementary symbols
4.2
Combinations of eleinentaiy symbols
5
4.3
Sup p Ie ment a 1 \it s y rn1101 s
6
5
Position o f ihe symbols o11 diawingc
8
5.1
General
5.2
Relationship between the arrow line and the joint
5.3
Position of the arrow line
10
5.4
Position of the reference line
10
5.5
Position of lhe r;ynihol with regard to ttia reference line
6
8 ..........
Dimensioning of weldc
6.1
General riiles
6.2
Main dimension., to be sliowii
7
............................................................
Complementary indications
..
8
11 12 12
12 18
7.1
Peripheral welds
18
7.2
Field or site welds
18
7.3 Indication of the welding process 7.4 8
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2
...................................................
Sequence of infoimation iii the tail of the i-efei-ence mark Examples for applicalion of spot and wain loints
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18 18 19
I S 0 2553:1992(E) Annexes
A
Examples of use of symbols
€3
Guidance for converting drawings riiade in accordance with I S 0 2553:1974 into t h e new system in accordance with I S 0 2553:1991 ...................................................................... 50
..........................................
22
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1
refererice numbers for symbolic representation or) drawings.
Scope
This International Standard prescribes tlie rules lo be applied for the symbolic representation of welded. hrnzed and soldered joints on di-awings.
IS0 5817:1992. Arc-welded joirits in steel - Guidance or1 quality levels for impcrfeciions.
- Working positioris niiioris of angles of slope and rotation. IS0 6947:1990, Welds
2
Normative references
IS0 8167:1989. Projections for resistance welding
T lie follow ing st a nda rds conta in p ravisions which. through refer-ence i n this text. constitute provisions of this Iiiteriiational Standard. At the timt? of publicaiion. t h e editions indicated were valid. All standai-ds are subject to revision. arid parties io agi-eenieiits based o n this International Standard are encouraged io investigate the possibility of applying the most recent editions of the slaiidards indicated below. Members of IEC aiid I S 0 maintain registers of currently valid International Standards.
I S 0 128:1982, Technical drawings ciples of presentation.
Defi-
General prin-
IS0 541: 1989. Filler niatel-ials for maiwal welding Size reqiiir-ements
IS0 1302.1978, Technical drawings -- Meíliod o f indicating surface iexfwe on drawings
IS0 10042:--". Arc-welded joints in aluminium and ifs weldable alloys -- G i l i d m c e or1 quality levels for iniperíectionx
3 General 3.1 Joiiits rnay be indicated with the general recoinmendatioiis for lechnical drawings. However, lor the purpose of siniplificalion. it is atlvisable to adopt. for usual joints. the syinholic representation described in this International Standard.
3.2 The
syniholic representation shall give clearly all necessary indications regarding the specific joint to be ohlaiiiad wiiliout over-burdening the drawing with notes 01-showing an additional view.
IS0 2560 1973. Covered electrodes for nianual arc
3.3 This syniholic representation includes an elementary symbol which may he completed by
welding oí mild steel arid low alloy steel symbols for idenlificaiion
-
a siipplemcritary symbol:
---
A
-
sonie cornple nient a ry indications (pa rticu larly for workshop drawings)
Is0 3008-1 1974, ïec/inica/ drawings Part 1 Crirrentiy used characters
--
Cod? of
- /Letienna -
I S 0 3581.1976, Covered electrodes for manual a i c welding of stairiless arid other sirnilar 1iigIi alloy Sfeels - Code O f SyIH/JO/S for iderifificalion
IS0 4063: 1990. Welding. brazing. solderitig and braze welding of rneials -- NonierJclature o/ processes aiid __--1) To be publislieci
meqiis of sliowiiig dimeiisions:
:n order In simplify tlie drawings as niucti as possible it is recomnientled lha1 reíerences be rnade to specific instructions a r particular specifications givinq all details of tlie preparation of edges to b e
3.4
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IS0 2553:1992(E)
welded. brazed and soldered aiidlor welding. hrazing and soldering proccdirrec. rattier than showing these indicatioris on the drawings of the welded paris.
The symbol shall riot be taken to prejudge the process to be eniploycd
If there are no ciich incti-uctioric, tlie diniensioris relating to the preparation of the edges to be welded. brazed and soldei-ed aiid/or weldirig. brazing and soldering procedures can be close to i h e symbol.
If íhe joiiii +Iiould iiot tie spcciíied brit only he represented that the joint will be welded. brazed or soldered the following symbol shall be tised.
4
The elenieritary syiiihols are shown i n table 1
Symbols
4.1
Elementary symbols
The various categories 01 joints are characlerized by a symbol which. in general. is similar to the shape of the weld to be made.
Table 1 No.
1
- Elementary symbols
e Illustration - - .- -. - ._.
Designation
Butt weld between plates with raised edges') : edge flanged weld /USAI (the raised edges being melted down completely)
__..
.-
___
2
Square butt weld
3
Single-V butt weld
4
Single-bevel butt weld
5
Single-V butt weld with broad root face
6
Single-bevel butt weld with broad root face
7
Single-U butt weld (parallel or sloping sides)
V V
Y
Y
--
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IS0 2553:1992(E)
Illiistration
Designatioii
No.
8
Single4 biitt weld
9
Backing run; hack or backing weld IUSAI
10
Fillet weld
Symbol -____.
~
W-
-__
li
_____
12
& 6----
Plug weld. plug or slot weld /USA/
n
spot weld
__
13
e
Seain weid
~
14
-
Steep-flanked sinqle-V butt weid
..-.-
15
____
.-. .
__
. .
-
--
-..
Steepflanked sinqle-bevel butt weld
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IS0 2553:1992(E)
~~
Illustration
Designation
No.
Symbol
~
16
Edge weld
~ - _ _ _ _ _ 17
Surfacing
18
Surface joint
19
Inclined joint
~~
20
Fold joint
~
a /
1) Butt welds between plates with raised edges (symbol 1 ) not compleiely penetrated are symboli7ed as square butt welds (symbol 2) with the weld thickness ,Y shown (see tables) I
4
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I S 0 25531992(E)
4.2
table 2 and applications for symbolic representation in lableA.2
Combinations of elementary symbols
When required. combinations of elementary cyinbolc can be tised
NOTE 1 Table2 gives a collection oí combinations of elementary symbols for symmetrical welds For the symhoiic representation tile elenlentary Symbols are arranged The elementary syt11bols are to be coinhined for from Iioth in a arranging symmetrically at the reference line (see tableA.2). For the use of symbols out of symbolic representation the symthe applicable elententary symbols syminetrical t o without the re,erence line bols may be the reference Iitie. Typical examples are given in
Table 2
I
- Combined symbols for symmetrical welds (examples)
Designation
Illustration
-__
Double-V butt weld (X weld)
---+
-----
I -
Double-bevel butt weld
Double-V but! weld with broad root face
i @@
~ _ _ _ _ _ _ Double-bevel butt weld with broad root face
I Double-U butt
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-
Symbol
X K
x
- _ _ _ _ _ ~ - -
weld
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K
I S 0 2553:1992(E)
4.3
Supplementary symbols Table 3
-
supplementary symbols
Shape of weld surface or weld
--Elementary synibolc may be completed by a symbol characterizitiy the shape of the external sui-face or the shape of the weld The recommended given i n table 3
supplementary
symbols
are
The absence of a siippleinentary symbol means that the shape of the weld surface does not need lo be indicated precisely. Examples of combinations of elementary and supplementary symbols are given in tables 4 and A.3. NOTE 2 Although i t is not forbidden ta a s m i a t e several symbols. i t is beller to represent the weid on a separate sketch when symbolization becomes too difficult.
6
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a)
Flat (usually finished flush)
b) Coiivex c)
Concave
d) Toes shall be blended smootlily __
__ --__-
e) Permanent backing strip used
f)
__
Removable hacking strip used
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IS0 2553:1992(E)
Table4 gives exainplcs of application of the supplementaty symbols. Table 4
-
Designation
-
___
Examples of application of supplementary .. -~ symbols .Illwîration
Symbol
V
Flat (flush) single-\/ butt weld
_______~
n
X
Convex double-V weld
W __ Concave fillet weld
__ Flat (flush) single-V butt weld with flat (flush) backing rur
_-_ Single-V butt weld with broad rooi face and hacking run
¿
Flush finished single-V huit weld
'I
V Fillet weld with smooth blended face
I
Symbol in accordance with I S 0 1302; initpad of this symhol the main symbol
d- can be used
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I S 0 25531992(E)
5 5.1
The purpose o f the following rcrles is to define the location o f welds by specifying
Position of the symbols on drawings General
-- the position of the arrow line:
The symbols covered by these riiles form only part o f the complete niethod of representation (figure 1). which comprises in addition to the symbol (3) ¡iself: an arrow line (I)per joint (see figrire:! figure 3):
and
a dual reference line. consisting of two parallel lines, one continuous and one dashed (2) (exception, see note 3);
a certain number of dimensions and conventional signs. NOTES
- the position of the reference line: - the position of the symbol. The arrow line and the refel-ence line form the complete reference mark. II details are given. e.g. for processes. acceptance levels. position. filler and auxiliary materiais (see clause 7). a tail shall be added at the end of the reference line.
5.2
Relationship between the arrow line and the joint The examples given in figure 2 and figure 3 explain the meaning of the terms
3 The dashed line can be drawn either above or beneath the continuous Iine ___________. (see also - "Arrow side" of the joint; 5.5 and annex 8). - "Other side" of the joint For symmetrical welds. the dashed line i s unnecessary and should be omitted. NOTE 5 The position of the arrow in these figures is chosen for purposes of clarity. Normally. i t would be 4 The thickness of lines for arrow line. reference line, placed immediately adjacent to the joint. symbol and lettering shall be in accordance with the thickness of line for dimensioning in accordance with NOTE 6 See figure 2. I S 0 128 and I S 0 3098-1. respectively.
8
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IS0 25531992(E)
3
2a
Figure 1
“Other
Method of representation
“AITOW
bl WeMontheothcrside
a) Weidonthesnowside
Figure 2
“‘Other
-
*
“Arrow side
“ A r m side of joint 8”
- T joint with one fillet weld
”Orner cjde
“Arrow side
of j0irit E“
ai
h)
Figure 3
-
Cruciform joint with two fillet welds
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IS0 2553:1992(E)
5.3
Position of t h e arrow line
The arrow line
- joins one end of lhe continuous reference line such Ihat it forms an angle with it: The position of lhe arrow line with i-espect lo the weid i s generally of no special cigiiificance [see figures 4 a) and 4 b)]. However. in the case of welds of types 4, fi and 8 (see table i). the arrow line shall point towards the plate which is prepared [see figures 4 c ) and 4 d ) J .
-
shall be completed by an arrow head
5.4
P o s i t i o n of the r e f e r e n c e l i n e
The reference line shall preferably be drawn parallel to the bottom edge of the drawing. or if impossible perpendicular.
ai
bl
Cl
d) Figure 4
-
Position of the arrow line
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IS0 2553:1992(E)
P o s i t i o n of the symbol with r e g a r d to the reference line
5.5
The symbol is to be placed either above or beneath the i-efererice line. in accordance with tlie lollowing regulation.
--
The symbol is placed on l h e dashed line side if the weld (weld face) is on the other side of the joint [see figure 5 b)].
NOTE 7 In the case oí spot welds made by projection welding. the projeclion surface i s to be considered as the external surface of the weld.
- The symbol is placed on tlie continuous line side of the reference line ií the weld (weld lace) is on the arrow side oí ihe joint [see figure 5 a)].
bl Tobewelded on the other a d s
Figure 5 - Position of the symbol according to the reference line
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I S 0 2553:1992(E)
6
Other dirneiisions of less importance may be indicated i f necessary.
Dimensioning of welds
6.1
6.2
General rules
Each weld synibol may be accompanied by a certain n i m b e r of dimensions These dimensions are written as follows, in accordance with figure 6: a) lhe main dimensions relative to the cross-section are written on the left-hand side of (¡.e. hefore) the symbol; b) longitudinal dimensions are written on the righthand side of (¡.e. after) l h e symbol. The nielhod of indicating the main dimensions is defined in tables. The rules for setting down these dimensions are also given i n this table.
Main dimensions to be shown
The dimension that locales the weld in relation to the edge of the sheet shall not appear in the symbolization but on the drawing.
6.2.1 The absence of any indication following the symbol signiíies that lhe weld is to be continuous over the whole length of the workpiece. 6.2.2 In the absence of any indication to the contrary, butt welds are to have complete penetration. 6.2.3 For lhe fillet welds there are two metliods to indicate dimensions (see figure 7) Therefore. the letters u or z shall always be placed in front oí the value of the corresponding dimension as follows:
T o indicate deep penetration of fillet welds the throat thickness is .r, see figure 8. Figure 6
-
Examples of the principle
Figure 7
6.2.4
In the case of plug or slot welds with bevelled edges. it is lhe dimension at the bottom of the hole which shall be taken into consideration
- Methods of indicating dimensions for fillet welds
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I S 0 25531 992(E)
NOTE - For deep penetration of fillet welds. the dimensions are indicated as .da6 h, for example.
Figure 8
- Methods of indicating dimensions for deep penetration of fillet welds
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IS0 2553:1992(E)
Table 5 Designation of welds
- Main dimensions Illustration
But1 weld
Butt weld between plates with raised edges
Continuous fillet weld
__
1
Inierrnit!eiit fillet weld
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IS0 25531992(E)
Inscription
Definition
V (see 6.2.1 and 6.2.2)
s
niiiiiinum distance from the surface of the part to the bottom of the penetration. which cannot be greater than the thickness of the thinner part.
:
II
S
(see 6.2.1)
f
Y
(see 6.2.1)
.< :
minimum distance from the external surface of the weld to tile bottom oí the penetration.
s
II
[see 6.2.1 and footnote 1) to table11
heiglil of the largest isosceles triangle that can be inscribed in the section
0
a
side of the largest isosceles triangle that can he inscribed in the section.
2
n n
(see 6.2.1 and 6.2.3)
I
length of weld (without end craters).
rc)
distance between adjacent weld elements
n
number of weld element5
a
n
nxlkl
z nn 4 e ) (see 6.2.3)
(see No. 3) L
.
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IS0 2553:1992(E)
Table 5 - Main dimensions (concluded) ~~
Designation of welds
Illustration
Staggered intermitlenl fillet weld
__ __-
Pliig or clot weld
Seam weld
-.
Plua weld
Spot weld
‘e)
16
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IS0 2553:1992(E)
Inscription
Definition
\
I l :
(see No. 3) z
(see 6.2.3)
:
(see No 4 )
c
:
width of slot
(see No 4)
width of weld
r
I7
y
(see No. 4)
(P)
:
spacing
d
:
diameter of spot
--
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17
IS0 2553:1992(E)
7
fork. at the end of lhe leference line remote írom the reference line.
Complementary indications
Complementary indications may be necessaiy 111 order to speciíy some other characteristics of welds For example
7.1
Peripheral welds
Figure Il gives an example of its use The list giving tlie correspondance between the numbers and the process is given in IS0 4063.
When the weld is to be ninde all around a part, the symbol i s a circle, as shown in figure9
Figure 11
-
Indication of welding process
7.4
Sequence of information in the tail of the reference mark
Figure 9
7.2
-
The information for joints and the dimensions can be supplemented by fui-ther information i n the tail. in the following order:
Indication of peripheral weld
Field or site welds
A flag i s to be tised lo indicate the field or site weld. as shown in figure Ill.
-
process (e g in accordance with IS0 4063);
-
acceptance level (e.g in IS0 5817 and IS0 10042):
.- working
position
(e g
in
accordance
with
accordance
with
I S 0 fi947):
- filler materials (e g in accordance with IS0 544. I S 0 2560. IS0 3581) The individual itenis are to he separated by / (solidus),
In addition. a closed tail is possible which indicates Specific inslructioii íe.g. procedure sheet) by a reference sign, see figure 12.
Figure 10
7.3
-
Indication of field or cite weld
Indication of the welding process
If required. the welding process is to be symbolized by a number written between the two branches of a
Figure 12
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-
Reference information
I S 0 2553:1992( E)
EXAMPLE Single-V butt weld with backing run (see figure 13). produced by manual metal-arc welding (reference number 111 in accordance with IS0 4063),required acceptance level in accordance with IS0 5817, flat position PA in accordance with IS0 6917. covered electrode IS0 2560-E 51 2 R R 22.
8 Examples for application of spot and seam joints In the case of seam and spot joints (welded, brazed or soldered). joints are niade at the interface between the two lapped parts or by melt-through of one of the two paris (see figures 14 and 15).
Hlustration
Symbolic representation
Front view
11111SO 5B17-DI
IS0 ï5ül-E 51 2 RR
P
/
/
Top view
Figure 13
- Single4 butt weid with backing run
I
__
y-------
- - ----- -.-
I
J
I
I
I
1
,
Tog view
Figure 14
-
Intermittent resistance seam welds
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IS0 2553:1992(€)
Front view
al Re?iStancespotwelds Ilustration
Symbolic regrewrit.tlon
bl Fusiorr-weMedspotwdds SymboYc reprsraitation
Figure 15
- Spot welds
20 Reproduced by IHS under license with DIN ENG
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IS0 2553:1992(E)
Reproduced by IHS under license with DIN ENG
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21
IS0 2553:1992( E)
Annex A
(informative) Examples of use of symbols Tables A 1 to A 4 give soriie examples oí the ure oí symbols. The represantaiioiis shown are given simply for explanation
Table A . l
-
-
Examples of the use of elementary symbols
U epresentation Designation
No.
Syinbol (Numbers refer to table 1)
Illustration
Butt weld between plates with raised edges i
2
Square biitt weld 3
I!
2
4
-
22
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I S 0 25531992(E)
Symbolization
____ either
or
23 Reproduced by IHS under license with DIN ENG
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I S 0 2553:1992(E)
Table A . l
-
- Examdes of the use of elementary symbols (continued) Representation
No.
Desigiiatioii Symbol (Numbers refer to table 1)
Illustration
-
5 Single-V butt weld
V 3
6
-
7
Single-bevel butt weld 8
V
4 --
9
24
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I S 0 25531992(E)
Symbolization
e¡ther
25 Reproduced by IHS under license with DIN ENG
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I S 0 25531 992(E)
Table A.1 - Examples of the use of elementary symbols (continued) ~
~~~
Representation Designation Symbol (Numbers refer to table 1)
Illustratiori
+-a-=-&I
Single-bevel butt weid
HJ
4 Single-V butt weld with broad root face
5
Single-bevel butt weld with broad root face
Y 6
Single-U butt weld
Y 7
26
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I S 0 2553:1992( E)
Syinboliration
e¡ ther
27 Reproduced by IHS under license with DIN ENG
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IS0 2553:1992( E)
Table A . l - Examples of the use of elementary r
nbols (continued) Representation
No.
Designation Symbol (Numbers refer to table 1)
Illustration
-
15 Single-J butt weld
8 16
17 Fillet weld
n 10 18
....;1 ii,
-
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I S 0 2553:1992( E)
r-
Symbolization
___ either
Reproduced by IHS under license with DIN ENG
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29
I S 0 25531 992(E)
Table A . l
- Examples of the use of elementary symbols (continued) Representation Designation
Symbol (Numbers refer to table 1)
Illustration
Fillet weld
n 10
30 Reproduced by IHS under license with DIN ENG
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I S 0 2553:1992(E)
__
--- -. either
Reproduced by IHS under license with DIN ENG
or
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31
I S 0 25531992(E)
Table A.l
-
- Examdes of the use of elementary symbols
(conlirwed) Representation
Designation
No.
Symbol (Numbers refer
Illustration
to table 1)
-
22
Plug weld
-
n 11
23
-
24
Spot weld
O 12 25
I
32 Reproduced by IHS under license with DIN ENG
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I S 0 25531992(E)
I
Symbolization _._
either
,-
P==
33 Reproduced by IHS under license with DIN ENG
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I S 0 2553:1992(E)
Table A . l
-
- Examples of the use of elementary :
nbols (coricliided) Representation
No.
Designation Symbol (Numbers refer to table 1)
Illustration
26
Seam weld
# 13 27
-
34 Reproduced by IHS under license with DIN ENG
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IS0 2553:1992(E)
r--
Symbolization
35 Reproduced by IHS under license with DIN ENG
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I S 0 2553:1992(E)
Table A.2
-
Examples of combinations of elementary- svmbols Representation
Designation Symbol (Numbers refer to table 1)
No.
Illustration
Butt weld between plates with raised edges
1
1
and backing run
w
9
1-9 -
__
.-
Square hutî weld
II2
2
welded from both sides
2-2
3
-
Single-V hiitt weld
v 3 and backing run
U 9 4
3-9
Double-V butt weld
5
v 3 (X weld)
3-3 -
36 Reproduced by IHS under license with DIN ENG
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IS0 25531992(E)
I Symbolization
either
or
t--- i
37 Reproduced by IHS under license with DIN ENG
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IS0 25531992(E)
Table A.2
-
- Examples of combinations of elementary symbols
(continued) Representation
Designation Symbol (Numbers refer to
No.
Iliiisîration
table 1)
-
6 Double bevel butt weld
v 4 (K weld)
4-4 7
Double V butt weid with broad root face 8
5s Double bevel butt weld with broad root face
9
6 -6 Double U butt weld
10
Y7 1-7
38
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IS0 2553:1992(E)
Symbolization
or
either
39 Reproduced by IHS under license with DIN ENG
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I S 0 2553: 1992(E)
Table A.2
-
- Exarndes of combinations of elernentan
iymbols (concluded) Representation
Designation Syiiibol (Nuiribers reler to table 1)
No.
illustration
Double J butt weld
il
8-8 Single V butt weld
v 3 12
and single U butt weld
Y7 3-7 --
13
Fillet weld
and fillet weld
n10 14
10-10
40 Reproduced by IHS under license with DIN ENG
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I S 0 25531992(E)
r----I
Symbolization
either
or
LEI
41 Reproduced by IHS under license with DIN ENG
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I S 0 2553:1992(E)
Table A.3
- Examples of combinations of
element;
and supplementary symbols Representation
Symbol
Illustration
42 Reproduced by IHS under license with DIN ENG
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IS0 25531992(E)
S yinbolization
or
e¡t her
AL
t
i
-
-L
1
I
I
I
-
43 Reproduced by IHS under license with DIN ENG
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IS0 25531992(E)
Table A.3 - Examples of combinations of elementary and supplementary symbols (concluded) Representation I
Symbol
Iliiistratioii
V
IMRI
44
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I
I S 0 25531992(E)
Symbolization
_____
__ .__
or
either
45 Reproduced by IHS under license with DIN ENG
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I S 0 25531992(E)
Table A.4
-
Examples of exceptional cases Representation
No.
Illustration
1
2
+-++
-4
_-
3
4
-
5
-
46 Reproduced by IHS under license with DIN ENG
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IS0 2553:1992(E)
Syin bolkation
or
incorrect
not recommended
47 Reproduced by IHS under license with DIN ENG
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I S 0 2553:1992(E)
Table A.4
- Examples of exceptional cases (com:luded) Representation
Illustration
48
Reproduced by IHS under license with DIN ENG
I
License provided by I.H.S. Germany For Internal Use Only
IS0 2553:1992(E)
Symbolization
__-
._._
incorrect
either
not recommended
iiot ri?conimended
\
1
49 Reproduced by IHS under license with DIN ENG
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IS0 2553:í 992(E)
Annex B (informative) Guidance for converting drawings made in accordance with IS0 2553:1974 into the new system in accordance with I S 0 2553:1991 As an interim solution for converting old drawings made in accordance with IC0 2553:1974. Welds -- Symbolic fepfesentafion on drawings, the following eXampleS show acceptable methods This shall. however, be considered as a provisional solution only during the change-over period
For new drawings, the dual-reference line
___________. shall always be used
J
Ø Figure 8.1
-
Weid on arrow side
z?h300
7-
/
Figure 8.2
- Weid on other side
NOTE 8 When converting drawings made to one of the methods E or A in I S 0 2553:1974 into this new system. it is especially iinportant for fillet welds io add the letter n or z in front of that dimension as the I J S ~of dimensioning leg length (2) o r tliroat thickness (al has been connected with the position of weld symbol on the reference line
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Page 53 EN 22553 :1994
Annex ZA (normative) Normative references t o international publications with their relevant European publications This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). Publicatioa
yaar
Is0 544
1989
BO 4063
1990
E"D
m
Filler materials of manuai weldmgsize requirements
EN 20544
1991
Weldmg, brazing, soldering, and braze wefdmg Of metals N O I I Y W I C of~ m ~ ~ U ~ a and reference numbers for symbolic representation on
EN 24063
1991
-
EN 25817
1992
welding
EN 28167
1992
EN 30042
1994
-
drawings
Is0 5817
1992
Arc- weided joints in steel Guidance on quaiity
levels for imperfections
Reproduced by IHS under license with DIN ENG
Is0 8167
1989
Projactions for &tance
Is0 10042
1992
Arc-welded joints in iluminium and its weldabb alloys Guidance on quility levels for imperfectiona
-
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