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ISBN 978-0-626-28171-7 SANS 9692-1:2007Edition 1

ISO 9692-1:2003Edition 1

SOUTH AFRICAN NATIONAL STANDARD

Welding and allied processes Recommendations for joint preparation

Part 1: Manual metal-arc welding, gas-

shielded metal-arc welding, gas welding,TIG welding and beam welding of steels

This national standard is the identical implementation of ISO 9692-1:2003 and isadopted with the permission of the International Organization for Standardization.

Published by SABS Standards Division1 Dr Lategan Road Groenkloof Private Bag X191 Pretoria 0001Tel: +27 12 428 7911 Fax: +27 12 344 1568www.sabs.co.za

SABS

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Table of changesChange No. Date Scope

National foreword

This South African standard was approved by National Committee SABS TC 44 , Welding and allied processes , in accordance with procedures of the SABS Standards Division, in compliance withannex 3 of the WTO/TBT agreement.

This part of SANS 9692 was published in May 2007.

Reaffirmed and reprinted in December 2012.This document will be reviewed every five years and

be reaffirmed, amended, revised or withdrawn.

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Reference number ISO 9692-1:2003(E)

ISO 2003

INTERNATIONALSTANDARD

ISO9692-1

First edition

2003-12-15

Welding and allied processes Recommendations for jointpreparation

Part 1:Manual metal-arc welding, gas-shieldedmetal-arc welding, gas welding, TIGwelding and beam welding of steels

Soudage et techniques connexes Recommandations pour la prparation de joints

Partie 1: Soudage manuel l'arc avec lectrode enrobe, soudage l'arc avec lectrode fusible sous protection gazeuse, soudage aux gaz,soudage TIG et soudage par faisceau des aciers

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ISO 9692-1:2003(E)

PDF disclaimer

This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed butshall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. Indownloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariataccepts no liability in this area.

Adobe is a trademark of Adobe Systems Incorporated.

Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creationparameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. Inthe unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below.

ISO 2003

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below orISO's member body in the country of the requester.

ISO copyright officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47

E-mail copyright@iso.orgWeb www.iso.org

Published in Switzerland

ii ISO 2003 All rights reserved

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ISO 9692-1:2003(E)

ISO 2003 All rights reserved iii

Contents Page

Foreword ............................................................................................................................................................ iv

Introduction ........................................................................................................................................................ v

1 Scope...................................................................................................................................................... 1

2 Normative references ........................................................................................................................... 1

3 Materials................................................................................................................................................. 1

4 Welding processes ............................................................................................................................... 2

5 Finish...................................................................................................................................................... 2

6 Type of joint preparation ...................................................................................................................... 2

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Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies(ISO member bodies). The work of preparing International Standards is normally carried out through ISOtechnical committees. Each member body interested in a subject for which a technical committee has beenestablished has the right to be represented on that committee. International organizations, governmental andnon-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with theInternational Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.

International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.

The main task of technical committees is to prepare International Standards. Draft International Standardsadopted by the technical committees are circulated to the member bodies for voting. Publication as an

International Standard requires approval by at least 75 % of the member bodies casting a vote.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patentrights. ISO shall not be held responsible for identifying any or all such patent rights.

ISO 9692-1 was prepared by Technical Committee ISO/TC 44, Welding and allied processes , SubcommitteeSC 7, Representation and terms .

This first edition of ISO 9692-1 cancels and replaces ISO 9692:1992 which has been technically revised.

ISO 9692 consists of the following parts, under the general title Welding and allied processes Recommendations for joint preparation :

Part 1: Manual metal-arc welding, gas-shielded metal-arc welding, gas welding, TIG welding and beamwelding of steels

Part 2: Submerged arc welding of steels

Part 3: Metal inert gas welding and tungsten inert gas welding of aluminium and its alloys

Part 4: Clad steels

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ISO 2003 All rights reserved v

Introduction

This part of ISO 9692 defines the parameters characterizing the joint preparation and the collection offrequently recurring values and shapes.

The recommendations given in this part of ISO 9692 have been compiled on the basis of experience andcontain dimensions for types of joint preparation that are generally found to lead to suitable welding conditions.However, the extended field of application makes it necessary to give a range of dimensions. The dimensionranges specified represent design limits and are not tolerances for manufacturing purposes. Manufacturinglimits depend, for instance, on welding process, parent metal, welding position, quality level, etc. Because ofthe common character of this part of ISO 9692, the examples given cannot be regarded as the only solutionfor the selection of a joint type.

Specific fields of application and manufacturing requirements (e.g. pipeline construction) may be covered byselected ranges specified in other standards adapted from this basic part of ISO 9692.

Request for an official interpretation of technical aspects of this part of ISO 9692 should be directed to therelevant secretariat of ISO/TC 44/SC 7 via the user's national standardization body; a listing of these bodiescan be found at www.iso.org.

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INTERNATIONAL STANDARD ISO 9692-1:2003(E)

ISO 2003 All rights reserved 1

Welding and allied processes Recommendations for jointpreparation

Part 1:Manual metal-arc welding, gas-shielded metal-arc welding, gaswelding, TIG welding and beam welding of steels

1 ScopeThis part of ISO 9692 specifies types of joint preparation for metal-arc welding with covered electrode,gas-shielded metal-arc welding, gas welding, TIG welding and beam welding of steel (see Clauses 3 and 4).

It applies to joint preparation for full penetration butt welds and for fillet welds. For partial penetration buttwelds, types of joint preparation and dimensions differing from those specified in this part of ISO 9692 may bestipulated.

The root gaps referred to in this part of ISO 9692 are those gaps presented after tack welding, if used.

Consideration should be given to altering the joint preparation details (where appropriate) to facilitatetemporary backing, one-sided welding, etc.

2 Normative references

The following referenced documents are indispensable for the application of this document. For datedreferences, only the edition cited applies. For undated references, the latest edition of the referenceddocument (including any amendments) applies.

ISO 2553:1992, Welded, brazed and soldered joints Symbolic representation on drawings

ISO 4063, Welding and allied processes Nomenclature of processes and reference numbers

ISO 6947, Welds Working positions Definitions of angles of slope and rotation

3 Materials

Joint preparations recommended in this part of ISO 9692 are suitable for all kinds of steel.

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4 Welding processes

Joint preparations recommended in this part of ISO 9692 are suitable for welding carried out in accordancewith the following processes as specified in Tables 1 to 4; combinations of different processes are possible.

a) (3) gas welding; oxyfuel gas welding;

b) (111) manual metal arc welding (metal arc welding with covered electrode); shielded metal arc welding;

c) (13) gas-shielded metal arc welding; gas metal arc welding includes:

(131) metal inert gas welding; MIG welding; gas metal arc welding;

(135) metal active gas welding; MAG welding; gas metal arc welding;

(136) tubular cored metal arc welding with active gas shield; flux cored arc welding;

(137) tubular cored metal arc welding with inert gas shield; flux cored arc welding;

d) (141) tungsten inert gas welding; TIG welding; gas tungsten arc welding;

e) (5) beam welding:

(51) electron beam welding;

(512) electron beam welding in atmosphere;

(52) laser welding; laser beam welding.

NOTE The numbers in parentheses refer to the reference number of the welding process specified in ISO 4063.

5 Finish

The longitudinal edges of the root face should be de-burred and may be chamfered (up to 2 mm).

6 Type of joint preparation

The recommended types of joint preparation and dimensions are specified in Tables 1 to 4.

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T a b l e

1

J o i n t p r e p a r a

t i o n s f o r

b u t t w e l

d s , w

e l d e d f r o m o n e s i

d e

D i m e n s i o n s

R e f .

N o .

M a t e r

i a l

t h i c k n e s s

T y p e o f

p r e p a r a t

i o n

S y m

b o l

( i n a c c o r -

d a n c e w

i t h

I S O 2 5 5 3 )

C r o s s - s e c

t i o n

A n g

l e a

G a p

b

T h i c k -

n e s s o f

r o o t

f a c e

D e p

t h o f

p r e p a -

r a t i o n

R e c o m -

m e n

d e d

w e l

d i n g

p r o c e s s

( r e

f e r e n c e

n u m

b e r i n

a c c o r

d a n c e

w i t h

I S O 4 0 6 3 )

W e l

d i l l u s

t r a t

i o n

R e m a r

k s

t m m

,

b m m

c m m

h m m

1 . 1

u 2

r a i s e d e d g e s

3 1 1 1

1 4 1

5 1 2

U s u a l

l y

w i t h o u

t

f i l l e r m e t a l

1 . 2 . 1

u 4

t

3 1 1 1

1 4 1

6 u

b u

8

1 3

3

1 6

S t e e p -

f l a n k e d

s i n g

l e - V

p r e p a r a t

i o n

5 u

u

2 0

5 u

b

u

1 5

1 1 1

1 3

W i t h

b a c k

i n g

s t r i p

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T a b l e

1 ( c o n

t i n u e

d )

D i m e n s i o n s

R e f .

N o .

M a t e r

i a l

t h i c k n e s s

T y p e o f

p r e p a r a t

i o n

S y m

b o l

( i n a c c o r -

d a n c e w

i t h

I S O 2 5 5 3 )

C r o s s - s e c

t i o n

A n g

l e a

G a p

b

T h i c k -

n e s s o f

r o o t

f a c e

D e p

t h o f

p r e p a -

r a t i o n

R e c o m -

m e n

d e d

w e l

d i n g

p r o c e s s

( r e

f e r e n c e

n u m

b e r i n

a c c o r

d a n c e

w i t h

I S O 4 0 6 3 )

W e l

d i l l u s

t r a t

i o n

R e m a r

k s

t m m

,

b m m

c m m

h m m

1 . 5 5

u t

u

4 0

S i n g

l e - V

p r e p a r a t

i o n

w i t h b r o a

d

r o o t

f a c e

6 0

1 u

b u

4

2 u

c u

4

1 1 1

1 3 1 4 1

1 . 6

>

1 2

S i n g

l e - U

p r e p a r a t

i o n

w i t h V r o o t

e

6 0 u

u

9 0

8 u

u 1

2

1 u

b u

3

4

1 1 1

1 3 1 4 1

6 u

R

u

9

1 . 7

>

1 2

S i n g

l e - V

p r e p a r a t

i o n

w i t h V r o o t

e

6 0 u

u

9 0

1 0 u

u

1 5

2 u

b u

4

>

2

1 1 1

1 3 1 4 1

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T a b l e

1 ( c o n

t i n u e

d )

D i m e n s i o n s

R e f .

N o .

M a t e r

i a l

t h i c k n e s s

T y p e o f

p r e p a r a t

i o n

S y m

b o l

( i n a c c o r -

d a n c e w

i t h

I S O 2 5 5 3 )

C r o s s - s e c

t i o n

A n g

l e a

G a p

b

T h i c k -

n e s s o f

r o o t

f a c e

D e p

t h o f

p r e p a -

r a t i o n

R e c o m -

m e n

d e d

w e l

d i n g

p r o c e s s

( r e

f e r e n c e

n u m

b e r i n

a c c o r

d a n c e

w i t h

I S O 4 0 6 3 )

W e l

d i l l u s

t r a t

i o n

R e m a r

k s

t m m

,

b m m

c m m

h m m

1 . 8

>

1 2

S i n g

l e - U

p r e p a r a t

i o n

8 u

u

1 2

u

4

u

3

1 1 1

1 3 1 4 1

1 . 9 . 1

1 . 9 . 2

3

< t

u

1 0

S i n g

l e - b e v e l

p r e p a r a t

i o n

3 5 u

u

6 0

2 u

b u

4

1 u

c u

2

1 1 1

1 3 1 4 1

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T a b l e

1 ( c o n

t i n u e

d )

D i m e n s i o n s

R e f .

N o .

M a t e r

i a l

t h i c k n e s s

T y p e o f

p r e p a r a t

i o n

S y m

b o l

( i n a c c o r -

d a n c e w

i t h

I S O 2 5 5 3 )

C r o s s - s e c

t i o n

A n g

l e a

G a p

b

T h i c k -

n e s s o f

r o o t

f a c e

D e p

t h o f

p r e p a -

r a t i o n

R e c o m -

m e n

d e d

w e l

d i n g

p r o c e s s

( r e

f e r e n c e

n u m

b e r i n

a c c o r

d a n c e

w i t h

I S O 4 0 6 3 )

W e l

d i l l u s

t r a t

i o n

R e m a r

k s

t m m

,

b m m

c m m

h m m

6 u

b

u

1 2

1 1 1

1 . 1 0

>

1 6

S t e e p -

f l a n k e d

s i n g

l e - b e v e l

p r e p a r a t

i o n

1 5 u

u

6 0

1

2

1 3 1 4 1

W i t h

b a c k

i n g

s t r i p

1 . 1 1

>

1 6

S i n g

l e - J

p r e p a r a t

i o n

1 0 u

u

2 0

2 u

b u

4

1 u

c u

2

1 1 1

1 3 1 4 1

u

1 5

5 2

1 . 1 2

u

1 0 0

S q u a r e

p r e p a r a t

i o n

e

5 1

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T a b l e

1 ( c o n

t i n u e

d )

D i m e n s i o n s

R e f .

N o .

M a t e r

i a l

t h i c k n e s s

T y p e o f

p r e p a r a t

i o n

S y m

b o l

( i n a c c o r -

d a n c e w

i t h

I S O 2 5 5 3 )

C r o s s - s e c

t i o n

A n g

l e a

G a p

b

T h i c k -

n e s s o f

r o o t

f a c e

D e p

t h o f

p r e p a -

r a t i o n

R e c o m -

m e n

d e d

w e l

d i n g

p r o c e s s

( r e

f e r e n c e

n u m

b e r i n

a c c o r

d a n c e

w i t h

I S O 4 0 6 3 )

W e l

d i l l u s

t r a t

i o n

R e m a r

k s

t m m

,

b m m

c m m

h m m

u

1 5

5 2

1 . 1 3

u

1 0 0

S q u a r e

p r e p a r a t

i o n

e

5 1

a

A n g l e s a r e a l s o

l a r g e r a n

d / o r a s y m m e t r i c

f o r w e l

d i n g

i n p o s i

t i o n

P C a c c o r d

i n g

t o I S O 6 9 4 7 ( h o r

i z o n

t a l p o s

i t i o n

) .

b

D i m e n s i o n s g i v e n a p p l y

t o t h e

t a c k e d c o n d

i t i o n .

c

T h e i n d i c a

t i o n o f

t h e w e l

d i n g p r o c e s s

d o e s n o

t m e a n

t h a t

i t i s a p p l

i c a b

l e f o r t

h e w

h o l e r a n g e o f w o r

k p i e c e

t h i c k n e s s e s .

d

W i t h

f i l l e r m e t a l .

e

S y m b o l a n d n u m

b e r n o t y e

t s t a n d a r

d i z e

d i n I S O 2 5 5 3 : 1

9 9 2 .

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T a b l e

2

J o i n t p r e p a r a

t i o n s

f o r

b u t t w e l

d s , w

e l d e d f r o m

b o t h s i

d e s

D i m e n s i o n s

R e f .

N o .

M a t e r

i a l

t h i c k n e s s

T y p e o f

p r e p a r a t

i o n

S y m

b o l

( i n a c c o r -

d a n c e w

i t h

I S O 2 5 5 3 )

C r o s s - s e c

t i o n

A n g

l e a

G a p

b

T h i c k -

n e s s o f

r o o t

f a c e

D e p

t h o f

p r e p a -

r a t i o n

R e c o m -

m e n

d e d

w e l

d i n g

p r o c e s s

( r e

f e r e n c e

n u m

b e r i n

a c c o r

d a n c e

w i t h

I S O 4 0 6 3 )

W e l

d i l l u s

t r a t

i o n

R e m a r

k s

t m m

,

b m m

c m m

h m m

2 t

1 1 1

1 4 1

u 8

2 t w

1 3

2 . 1

u 1

5

S q u a r e

p r e p a r a t

i o n

0

5 2

6 0

1 1 1

1 4 1

2 . 2

3

u t

u 4

0

S i n g l e -

V

p r e p a r a t

i o n

4 0 u

u 6

0

u 3

u 2

1 3

s e a l

i n g r u n

i s

i n d i c a

t e d

6 0

1 1 1

1 4 1

2 . 3

> 1

0

S i n g l e -

V

p r e p a r a t

i o n

w i t h b r o a

d

r o o t

f a c e

4 0 u

u 6

0

1 u

b u 3

2 u

c u

4

1 3

I n s p e c

i a l

c a s e s ,

a l s o

p o s s

i b l e

f o r s m a l

l e r

w o r

k - p i e c e

t h i c k -

n e s s e s

a n d

w e l

d i n g

p r o c e s s

3 .

S e a

l i n g

r u n

i s

i n d i c a

t e d .

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T a b l e

2 ( c o n

t i n u e

d )

D i m e n s i o n s

R e f .

N o .

M a t e r

i a l

t h i c k n e s s

T y p e o f

p r e p a r a t

i o n

S y m

b o l

( i n a c c o r -

d a n c e w

i t h

I S O 2 5 5 3 )

C r o s s - s e c

t i o n

A n g

l e a

G a p

b

T h i c k -

n e s s o f

r o o t

f a c e

D e p

t h o f

p r e p a -

r a t i o n

R e c o m -

m e n

d e d

w e l

d i n g

p r o c e s s

( r e

f e r e n c e

n u m

b e r i n

a c c o r

d a n c e

w i t h

I S O 4 0 6 3 )

W e l

d i l l u s

t r a t

i o n

R e m a r

k s

t m m

,

b m m

c m m

h m m

6 0

1 1 1

1 4 1

2 . 4

> 1

0

D o u

b l e -

V

p r e p a r a t

i o n

w i t h b r o a

d

r o o t

f a c e

4 0 u

u 6

0

1 u

b u

4 2 u

c u

6

h 1 =

h 2 =

2 t

c

1 3

6 0

1 1 1

1 4 1

2 . 5 . 1

D o u

b l e -

V

p r e p a r a t

i o n

4 0 u

u 6

0

2 t

1 3

1 6 0

2 6 0

1 1 1

1 4 1

2 . 5 . 2

> 1

0

A s y m m e t r i c a l

d o u b

l e - V

p r e p a r a t

i o n

4 0 u

1

u 6

0

4 0 u

2

u 6

0

1 u

b u

3

u 2

3 t

1 3

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T a b l e

2 ( c o n

t i n u e

d )

D i m e n s i o n s

R e f .

N o .

M a t e r

i a l

t h i c k n e s s

T y p e o f

p r e p a r a t

i o n

S y m

b o l

( i n a c c o r -

d a n c e w

i t h

I S O 2 5 5 3 )

C r o s s - s e c

t i o n

A n g

l e a

G a p

b

T h i c k -

n e s s o f

r o o t

f a c e

D e p

t h o f

p r e p a -

r a t i o n

R e c o m -

m e n

d e d

w e l

d i n g

p r o c e s s

( r e

f e r e n c e

n u m

b e r i n

a c c o r

d a n c e

w i t h

I S O 4 0 6 3 )

W e l

d i l l u s

t r a t

i o n

R e m a r

k s

t m m

,

b m m

c m m

h m m

1 u

b u

3

1 1 1

1 3

2 . 6

> 1

2

S i n g

l e - U

p r e p a r a t

i o n

8 u

u 1

2

u 3

5

1 4 1 c

S e a l

i n g

r u n

i s

i n d i c a

t e d

2 . 7

W 3

0

D o u

b l e -

U

p r e p a r a t

i o n

8 u

u

1 2

u

3

3

2 t

c

1 1 1

1 3 1 4 1 c

T h i s t y p e

o f j o i n t

p r e p a r a -

t i o n c a n

a l s o

b e

p r o d u c e d

a s y m m e t r i -

c a l l y i n a

s i m

i l a r

m a n n e r t o

t h e

a s y m m e t r i -

c a l d o u

b l e -

V p r e p a r a -

t i o n

2 . 8

3

u t

u 3

0

S i n g

l e - b e v e l

p r e p a r a t

i o n

3 5

u

u 6

0

1 u

b u

4

u

2

1 1 1

1 3 1 4 1 c

S e a l

i n g

r u n

i s

i n d i c a

t e d

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ISO 9692-1:2003(E)

12 ISO 2003 All rights reserved

T a b l e

2 ( c o n

t i n u e

d )

D i m e n s i o n s

R e f .

N o .

M a t e r

i a l

t h i c k n e s s

T y p e o f

p r e p a r a t

i o n

S y m

b o l

( i n a c c o r -

d a n c e w

i t h

I S O 2 5 5 3 )

C r o s s - s e c

t i o n

A n g

l e a

G a p

b

T h i c k -

n e s s o f

r o o t

f a c e

D e p

t h o f

p r e p a -

r a t i o n

R e c o m -

m e n

d e d

w e l

d i n g

p r o c e s s

( r e

f e r e n c e

n u m

b e r i n

a c c o r

d a n c e

w i t h

I S O 4 0 6 3 )

W e l

d i l l u s

t r a t

i o n

R e m a r

k s

t m m

,

b m m

c m m

h m m

2 . 9 . 1

2 . 9 . 2

> 1

0

D o u

b l e

b e v e

l

p r e p a r a t

i o n

3 5

u

u 6

0

1 u

b u

4

u 2

2 t =

o r 3 t

=

1 1 1

1 3 1 4 1

T h i s t y p e

o f j o i n t

p r e p a r a -

t i o n c a n

a l s o

b e

p r o d u c e d

a s y m m e t r i -

c a l l y i n a

s i m

i l a r

m a n n e r t o

t h e

a s y m m e t r i -

c a l d o u

b l e -

V p r e p a r a -

t i o n .

2 . 1 0

> 1

6

S i n g

l e - J

p r e p a r a t

i o n

1 0

u

u 2

0

1 u

b u

3

W 2

1 1 1

1 3 1 4 1 c

S e a l

i n g

r u n

i s

i n d i c a

t e d .

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ISO 9692-1:2003(E)

ISO 2003 All rights reserved 13

T a b l e

2 ( c o n

t i n u e

d )

D i m e n s i o n s

R e f .

N o .

M a t e r

i a l

t h i c k n e s s

T y p e o f

p r e p a r a t

i o n

S y m

b o l

( i n a c c o r -

d a n c e w

i t h

I S O 2 5 5 3 )

C r o s s - s e c

t i o n

A n g

l e a

G a p

b

T h i c k -

n e s s o f

r o o t

f a c e

D e p

t h o f

p r e p a -

r a t i o n

R e c o m -

m e n

d e d

w e l

d i n g

p r o c e s s

( r e

f e r e n c e

n u m

b e r i n

a c c o r

d a n c e

w i t h

I S O 4 0 6 3 )

W e l

d i l l u s

t r a t

i o n

R e m a r

k s

t m m

,

b m m

c m m

h m m

W 2

2 t

c

=

2 . 1 1

> 3

0

D o u

b l e -

J

p r e p a r a t

i o n

1 0

u

u 2

0

u 3

< 2

2 t

1 1 1

1 3 1 4 1 c

T h i s t y p e

o f j o i n t

p r e p a r a t

i o n

c a n a l s o

b e

p r o d u c e d

a s y m m e t r i -

c a l l y i n a

s i m

i l a r

m a n n e r t o

t h e

a s y m m e t r i -

c a l d o u

b l e -

V p r e p a r a -

t i o n .

u 2

5

5 2

2 . 1 2

u 1

7 0

S q u a r e

p r e p a r a t

i o n

d

5 1

a A n g l e s a r e a l s o

l a r g e r a n

d / o r a s y m m e t r i c

f o r w e l

d i n g

i n p o s i

t i o n

P C a c c o r d

i n g

t o I S O 6 9 4 7 ( h o r

i z o n

t a l p o s

i t i o n

) .

b

D i m e n s

i o n s g i v e n a p p l y

t o t h e

t a c k e d c o n d

i t i o n .

c

T h e

i n d i c a

t i o n o f

t h e w e l

d i n g p r o c e s s

d o e s n o t m e a n

t h a t

i t i s a p p l

i c a b

l e f o r t

h e w

h o l e r a n g e o f w o r

k p i e c e

t h i c k n e s s e s .

d

S y m

b o l a n d n u m

b e r n o t s t a n

d a r d

i z e d

i n I S O 2 5 5 3 : 1

9 9 2 .

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ISO 9692-1:2003(E)

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Table 3 Joint preparations for fillet welds, welded from one side

Dimensions

Ref.No.

Mate-rial

thick-

nesst

mm

Type of

prepa-ration

Symbol

(in accor-dance withISO 2553)

Cross-section

Angle

,

Gap

b

mm

Recommen-ded welding

process a (referencenumber in

accordancewith

ISO 4063)

Weld illustra-tion

3.1.1t 1 > 2

t 2 > 2

Squareprepa-ration

70 u u 100

u 2

3

111

13

141

3.1.2t 1 > 2

t 2 > 2

Squareprepa-ration

u 2

3

111

13

141

3.1.3t 1 > 2

t 2 > 2

Squareprepa-ration

b

60 u u 120

u 2

3

111

13

141

a The indication of the welding process does not mean that it is applicable for the whole range of workpiece thicknesses.

b Symbol is only applicable for = 90.

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ISO 9692-1:2003(E)

ISO 2003 All rights reserved 15

Table 4 Joint preparations for fillet welds, welded from both sides

Dimensions

Ref.No.

Work-piecethick-

nesst

mm

Type of

prepa-ration

Symbol

(in accor-dance withISO 2553)

Cross-section

Angle

,

Gap

b

mm

Recommen-ded welding

process a (referencenumber in

accordancewith

ISO 4063)

Weld illustra-tion

4.1.1t 1 > 3

t 2 > 3

Squareprepa-ration

70 u u 100

u 2

3

111

13

141

4.1.2t 1 > 2

t 2 > 5

Squareprepa-ration

60 u u 120

3

111

13

141

2 u t 1 u 4

2 u

t 2 u 4

u 2

4.1.3

t 1 > 4

t 2 > 4

Squareprepa-ration

b

3

111

13

141

a The indication of the welding process does not mean that it is applicable for the whole range of workpiece thicknesses.

b Symbol is only applicable for = 90.

Standards South Africa

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