Li ce ns ed C op y A ki n K ok sa l, B ec ht el L td , 1 0 D ec em be r 20 02 , U nc on tr ol le d C op y, ( c) B S I | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |[.]
Trang 1Licensed Copy: Akin Koksal, Bechtel Ltd, 10 December 2002, Uncontrolled Copy, (c) BSI
British Standard
A single copy of this British Standard is licensed to
Akin Koksal
10 December 2002
This is an uncontrolled copy Ensure use of the most current version of this document by searching British Standards Online at bsonline.techindex.co.uk
Trang 2|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
10246-12:2000
The European Standard EN 10246-12:2000 has the status of a
British Standard
ICS 23.040.10; 77.040.20
NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW
Non-destructive testing
of steel tubes Ð
Part 12: Magnetic particle inspection of
seamless and welded ferromagnetic steel
tubes for the detection of surface
imperfections
Trang 3This British Standard, having
been prepared under the
direction of the Engineering
Sector Committee, was published
under the authority of the
Standards Committee and comes
into effect on 15 June 2000
BSI 06-2000
ISBN 0 580 34176 3
BS EN 10246-12:2000
Amendments issued since publication
Amd No Date Comments
National foreword
This British Standard is the official English language version of EN 10246-12:2000 The UK participation in its preparation was entrusted by Technical Committee ISE/73, Steels for pressure purposes, to Subcommittee ISE/73/1, Steel tubes for pressure purposes, which has the responsibility to:
Ð aid enquirers to understand the text;
Ð present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed;
Ð monitor related international and European developments and promulgate them in the UK
A list of organizations represented on this subcommittee can be obtained on request
to its secretary
Cross-references
The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled ªInternational Standards Correspondence Indexº, or by using the ªFindº facility of the BSI Standards Electronic Catalogue
A British Standard does not purport to include all the necessary provisions of a contract Users of British Standards are responsible for their correct application
Compliance with a British Standard does not of itself confer immunity from legal obligations.
Summary of pages
This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 11 and a back cover
The BSI copyright notice displayed in this document indicates when the document was last issued
Trang 41250((8523e(11(
(8523b,6&+(1250
(1
)HEUXDU\
,&6
(QJOLVKYHUVLRQ
1RQGHVWUXFWLYHWHVWLQJRIVWHHOWXEHV±3DUW0DJQHWLF SDUWLFOHLQVSHFWLRQRIVHDPOHVVDQGZHOGHGIHUURPDJQHWLFVWHHO
WXEHVIRUWKHGHWHFWLRQRIVXUIDFHLPSHUIHFWLRQV
(VVDLVQRQGHVWUXFWLIVVXUGHVWXEHVHQDFLHU±3DUWLH
&RQWU{OHSDUPDJQpWRVFRSLHGHVWXEHVHQDFLHU IHUURPDJQpWLTXHVVDQVVRXGXUHHWVRXGpVSRXUODGpWHFWLRQ
GHVLPSHUIHFWLRQVGHVXUIDFH
=HUVW|UXQJVIUHLH3UIXQJYRQ6WDKOURKUHQ±7HLO 0DJQHWSXOYHUSUIXQJQDKWORVHUXQGJHVFKZHLWHU IHUURPDJQHWLVFKHU6WDKOURKUH]XP1DFKZHLVYRQ
2EHUIOlFKHQIHKOHUQ
7KLV(XURSHDQ6WDQGDUGZDVDSSURYHGE\&(1RQ'HFHPEHU
&(1PHPEHUVDUHERXQGWRFRPSO\ZLWKWKH&(1&(1(/(&,QWHUQDO5HJXODWLRQVZKLFKVWLSXODWHWKHFRQGLWLRQVIRUJLYLQJWKLV(XURSHDQ 6WDQGDUGWKHVWDWXVRIDQDWLRQDOVWDQGDUGZLWKRXWDQ\DOWHUDWLRQ8SWRGDWHOLVWVDQGELEOLRJUDSKLFDOUHIHUHQFHVFRQFHUQLQJVXFKQDWLRQDO VWDQGDUGVPD\EHREWDLQHGRQDSSOLFDWLRQWRWKH&HQWUDO6HFUHWDULDWRUWRDQ\&(1PHPEHU
7KLV(XURSHDQ6WDQGDUGH[LVWVLQWKUHHRIILFLDOYHUVLRQV(QJOLVK)UHQFK*HUPDQ$YHUVLRQLQDQ\RWKHUODQJXDJHPDGHE\WUDQVODWLRQ XQGHUWKHUHVSRQVLELOLW\RID&(1PHPEHULQWRLWVRZQODQJXDJHDQGQRWLILHGWRWKH&HQWUDO6HFUHWDULDWKDVWKHVDPHVWDWXVDVWKHRIILFLDO YHUVLRQV
&(1PHPEHUVDUHWKHQDWLRQDOVWDQGDUGVERGLHVRI$XVWULD%HOJLXP&]HFK5HSXEOLF'HQPDUN)LQODQG)UDQFH*HUPDQ\*UHHFH ,FHODQG,UHODQG,WDO\/X[HPERXUJ1HWKHUODQGV1RUZD\3RUWXJDO6SDLQ6ZHGHQ6ZLW]HUODQGDQG8QLWHG.LQJGRP
(8523($1 &200,77(( )25 67$1'$5',=$7,21
& 2 0 , 7 e ( 8 5 2 3 e ( 1 ' ( 1 2 5 0 $ / , 6 $ 7 , 2 1 ( 8 5 2 3 b, 6 &+ ( 6 2 0 , 7 ( ( ) h 5 12 5 0 8 1 *
&HQWUDO6HFUHWDULDWUXHGH6WDVVDUW%%UXVVHOV
&(1 $OOULJKWVRIH[SORLWDWLRQLQDQ\IRUPDQGE\DQ\PHDQVUHVHUYHG
Trang 5(1
%6,
&217(176
3DJH )25(:25'
6&23(
1250$7,9(5()(5(1&(6
*(1(5$/5(48,5(0(176
0(7+2'2)7(67
$&&(37$1&(/(9(/6
(9$/8$7,212),1',&$7,216
$&&(37$1&(
7(675(3257,1*
$11(;$LQIRUPDWLYH7DEOH$3DUWVRI(11RQGHVWUXFWLYHWHVWLQJRIVWHHOWXEHV
Trang 63DJH (1
%6,
)25(:25'
7KLV(XURSHDQ6WDQGDUGKDVEHHQSUHSDUHGE\7HFKQLFDO&RPPLWWHH(&,667&6WHHO WXEHVDQGILWWLQJVIRUVWHHOWXEHVWKH6HFUHWDULDWRIZKLFKLVKHOGE\81,
7KLV(XURSHDQ6WDQGDUGVKDOOEHJLYHQWKHVWDWXVRIDQDWLRQDOVWDQGDUGHLWKHUE\SXEOLFDWLRQ RIDQLGHQWLFDOWH[WRUE\HQGRUVHPHQWDWWKHODWHVWE\$XJXVWDQGFRQIOLFWLQJQDWLRQDO VWDQGDUGVVKDOOEHZLWKGUDZQDWWKHODWHVWE\$XJXVW
$FFRUGLQJWRWKH&(1&(1(/(&,QWHUQDO5HJXODWLRQVWKHQDWLRQDOVWDQGDUGVRUJDQL]DWLRQVRI WKHIROORZLQJFRXQWULHVDUHERXQGWRLPSOHPHQWWKLV(XURSHDQ6WDQGDUG$XVWULD%HOJLXP
&]HFK5HSXEOLF'HQPDUN)LQODQG)UDQFH*HUPDQ\*UHHFH,FHODQG,UHODQG,WDO\
/X[HPERXUJ1HWKHUODQGV1RUZD\3RUWXJDO6SDLQ6ZHGHQ6ZLW]HUODQGDQGWKH8QLWHG LQJGRP
Trang 7(1
%6,
6&23(
7KLVSDUWRI(1VSHFLILHVWKHUHTXLUHPHQWVDQGWKHDFFHSWDQFHOHYHOVIRUPDJQHWLFSDUWLFOH LQVSHFWLRQ RI VHDPOHVV DQG ZHOGHG IHUURPDJQHWLF VWHHO WXEHV IRU WKH GHWHFWLRQ RI VXUIDFH LPSHUIHFWLRQV
7KLVSDUWRI(1LVWREHXVHGIRUWKHGHWHFWLRQRIVXUIDFHLPSHUIHFWLRQVRQWKHHQWLUHRUDQ\ SDUWRIWKHRXWHUVXUIDFHRIWXEHVH[FOXGLQJWKHHQGEHYHOIDFH
,QDGGLWLRQWKLVVWDQGDUGPD\EHXVHGDVDSSURSULDWHWRORFDWHWKHSRVLWLRQRIH[WHUQDOVXUIDFH LPSHUIHFWLRQV GHWHFWHG E\ DQRWKHU QRQGHVWUXFWLYH WHVWLQJ PHWKRG HJ XOWUDVRQLF SULRU WR GUHVVLQJRIWKHWXEHVXUIDFHDQGWRHQVXUHFRPSOHWHUHPRYDORIWKHLPSHUIHFWLRQDIWHUGUHVVLQJLV FRPSOHWH
(XURSHDQ 6WDQGDUG (1 1RQGHVWUXFWLYH WHVWLQJ RI VWHHO WXEHV FRPSULVHV WKH SDUWV VKRZQLQ$QQH[$
1250$7,9(5()(5(1&(6
7KLV SDUW RI (1 LQFRUSRUDWHV E\ GDWHG RU XQGDWHG UHIHUHQFH SURYLVLRQV IURP RWKHU SXEOLFDWLRQV7KHVHQRUPDWLYHUHIHUHQFHVDUHFLWHGDWWKHDSSURSULDWHSODFHVLQWKHWH[WDQG WKH SXEOLFDWLRQV DUH OLVWHG KHUHDIWHU )RU GDWHG UHIHUHQFHV VXEVHTXHQW DPHQGPHQWV WR RU UHYLVLRQVRIDQ\RIWKRVHSXEOLFDWLRQVDSSO\WRWKLVSDUWRI(1RQO\ZKHQLQFRUSRUDWHGLQ LW E\ DPHQGPHQW RU UHYLVLRQ )RU XQGDWHG UHIHUHQFHV WKH ODWHVW HGLWLRQ RI WKH SXEOLFDWLRQ UHIHUUHGWRDSSOLHV
SULQFLSOH,62)',6
'HWHFWLRQPHGLD,62',6
(TXLSPHQW,62',6
RQWXEHVDIWHUFRPSOHWLRQRIDOOWKHSULPDU\SURGXFWLRQSURFHVVRSHUDWLRQV
VDQGRUVFDOHRUDQ\RWKHUIRUHLJQPDWWHUWKDWZRXOGLQWHUIHUHZLWKWKHFRUUHFWLQWHUSUHWDWLRQRIWKH LQGLFDWLRQVREWDLQHGIURPPDJQHWLFSDUWLFOHLQVSHFWLRQ
127( 7KH W\SH RI LQGLFDWLRQV DV ZHOO DV WKH PLQLPXP GLPHQVLRQ RI WKH VXUIDFH
LPSHUIHFWLRQVWREHGHWHFWHGDUHGHSHQGHQWRQWKHVSHFLILFWXEHPDQXIDFWXULQJ SURFHVVDQGWKHVXUIDFHILQLVK
,QSUHSDUDWLRQXQWLOWKLVGRFXPHQWLVSXEOLVKHGDVD(XURSHDQ6WDQGDUGWKHFRUUHVSRQGLQJQDWLRQDO VWDQGDUGVVKRXOGEHDJUHHGDWWKHWLPHRIHQTXLU\DQGRUGHU
Trang 83DJH (1
%6,
FLUFXPIHUHQWLDOGLUHFWLRQIRUWKHGHWHFWLRQRIORQJLWXGLQDOVXUIDFHLPSHUIHFWLRQVRULQWKHGLUHFWLRQ SDUDOOHOWRWKHPDMRUD[LVRIWKHWXEHIRUWKHGHWHFWLRQRIWUDQVYHUVHVXUIDFHLPSHUIHFWLRQVZLWK VLPXOWDQHRXVDSSOLFDWLRQRIWKHSRZGHURUVXVSHQVLRQDVDSSURSULDWHWRUHYHDOWKHSUHVHQFHRI VXUIDFHLPSHUIHFWLRQVXVLQJDQLOOXPLQDWLRQRIQRWOHVVWKDQOX[
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
7KHXVHRIUHVLGXDOPDJQHWLVPLHDSSOLFDWLRQRIPDJQHWLFSDUWLFOHVDIWHULQLWLDOPDJQHWL]DWLRQLV RQO\SHUPLWWHGE\SULRUDJUHHPHQWEHWZHHQWKHSXUFKDVHUDQGWKHPDQXIDFWXUHU
7KHHQWLUHRXWHUVXUIDFHRIHDFKWXEHRUSRUWLRQRILWDVUHTXLUHGVKDOOEHLQVSHFWHGXVLQJWKH PDJQHWLFSDUWLFOHPHWKRGIRUWKHGHWHFWLRQRIORQJLWXGLQDODQGRUWUDQVYHUVHVXUIDFHLPSHUIHFWLRQV XVLQJ DF RU GF PDJQHWL]DWLRQ DQG SRZGHU RU VXVSHQVLRQ DV DSSURSULDWH WR WKH PDJQHWLF SDUWLFOH WHFKQLTXH DGRSWHG JHQHUDOO\ LQ DFFRUGDQFH ZLWK WKH UHTXLUHPHQWV JLYHQ LQ SU(1,62SU(1,62DQGSU(1,62
7KH PDJQHWLF SDUWLFOH LQVSHFWLRQ PHWKRG GRHV QRW PDNH LW SRVVLEOH WR GHWHUPLQH WKH QDWXUH VKDSH RULHQWDWLRQ DQG PRUH SDUWLFXODUO\ WKH GHSWK RI VXUIDFH LPSHUIHFWLRQV UHYHDOHG DV LQGLFDWLRQV7KHGLPHQVLRQVDQGH[WHQWRIPDJQHWLFSDUWLFOHµEXLOGXS¶RILQGLFDWLRQVGRQRWGLUHFWO\ UHSUHVHQWWKHDFWXDOGLPHQVLRQVRIWKHVXUIDFHLPSHUIHFWLRQFDXVLQJWKHLQGLFDWLRQ
D OLQHDULQGLFDWLRQVLQZKLFKWKHOHQJWKLVHTXDOWRRUPRUHWKDQWKUHHWLPHVWKHZLGWK
E URXQGHG LQGLFDWLRQV ZKLFK DUH FLUFXODU RU HOOLSWLFDO LQ VKDSH ZKHUH WKH OHQJWK RI WKH LQGLFDWLRQLVOHVVWKDQWKUHHWLPHVWKHZLGWK
F DFFXPXODWHGLQGLFDWLRQVZKLFKDUHOLQHDURUQRQOLQHDUDQGDOLJQHGRUFOXVWHUHG
DUUDQJHGZLWKDGLVWDQFHEHWZHHQWKHPRIQRWPRUHWKDQWKHLURZQVL]HDQGFRQVLVWLQJ RIDWOHDVWWKUHHLQGLFDWLRQV
G QRQUHOHYDQW LQGLFDWLRQV ZKLFK DUH VLPLODU WR LQGLFDWLRQV WKDW PD\ RFFXU IURP ORFDOL]HG VXUIDFH LUUHJXODULWLHV GXH WR PDFKLQLQJ PDUNV VFUDWFKHV VL]LQJVWUDLJKWHQLQJ PDUNV RU RWKHUVXUIDFHFRQGLWLRQV
Trang 9(1
%6,
WXEHV
D PHWKRG$FXUUHQWIORZPHWKRG,QWKLVPHWKRGFXUUHQWGHULYHGIURPDFGFIXOORUKDOI ZDYH UHFWLILHG DF H[WHUQDO SRZHU VRXUFH LV SDVVHG EHWZHHQ WZR FRQWDFW DUHDV RQ WKH VXUIDFH RI WKH WXEH7KLVPHWKRG LV LQWHQGHG IRU WKH GHWHFWLRQ RI LPSHUIHFWLRQV ZKLFK OLH JHQHUDOO\SDUDOOHOWRWKHGLUHFWLRQRIFXUUHQWIORZ
E PHWKRG%WKUHDGHGEDUFDEOHPHWKRG,QWKLVPHWKRGFXUUHQWDVLQPHWKRG$LVSDVVHG WKURXJK D ULJLG EDU RU IOH[LEOH FDEOH SODFHG ZLWKLQ DQG DSSUR[LPDWHO\ FRQFHQWULF ZLWK WKH WXEHERUH7KLVPHWKRGLVLQWHQGHGOLNHPHWKRG$IRUWKHGHWHFWLRQRILPSHUIHFWLRQVZKLFK OLHJHQHUDOO\SDUDOOHOWRWKHGLUHFWLRQRIFXUUHQWIORZLQWKHWKUHDGHGEDUFDEOH
F PHWKRG&HQFLUFOLQJFRLOPHWKRG,QWKLVPHWKRGDULJLGRUVHPLULJLGFXUUHQWFDUU\LQJFRLO LV SODFHG DURXQG WKH WXEH DQG WKH VXUIDFH RI WKH WXEH ZLWKLQ WKH LQIOXHQFH RI WKH FRLO LV PDJQHWL]HGLQWKHGLUHFWLRQSDUDOOHOWRWKHPDMRUD[LVRIWKHWXEHIDYRXULQJWKHGHWHFWLRQRI JHQHUDOO\WUDQVYHUVHLPSHUIHFWLRQV
G PHWKRG'PDJQHWLFIORZPHWKRG,QWKLVPHWKRGWKHWXEHRUSDUWRILWIRUPVSDUWRIWKH PDJQHWLFFLUFXLWRIDQHOHFWURPDJQHWFDUU\LQJFXUUHQWIURPDQH[WHUQDOSRZHUVXSSO\DVLQ PHWKRG$7KLVPHWKRGIDYRXUVWKHGHWHFWLRQRILPSHUIHFWLRQVO\LQJDWULJKWDQJOHVWRDQ LPDJLQDU\OLQHFRQQHFWLQJWKHSROHVRIWKHHOHFWURPDJQHW
127( 2WKHU PDJQHWL]DWLRQ WHFKQLTXH RU FRPELQDWLRQ RI WKH WHFKQLTXHV JLYHQ DERYH
PD\EHXVHGSURYLGHGWKHUHTXLUHPHQWVIRUILHOGVWUHQJWKDQGGLUHFWLRQDUHPHW
,W LV RXWVLGH WKHVFRSH RIWKLV SDUWRI (1 WR VSHFLI\ OHYHOV RI PDJQHWL]DWLRQ DQG FXUUHQWOHYHOVUHTXLUHGWRUHYHDOWKHSUHVHQFHRIXQDFFHSWDEOHVXUIDFHLPSHUIHFWLRQVGXHWRWKH ZLGHYDULHW\RIPDJQHWLFSDUWLFOHWHFKQLTXHVDYDLODEOHDQGSHUPLWWHGIRUWKLVSXUSRVH
+RZHYHULQDOOFDVHVWKHPDJQHWL]DWLRQUHTXLUHPHQWVDQGWKHXVHRISRZGHUVDQGVXVSHQVLRQV JLYHQLQSU(1,62SU(1,62DQGSU(1,62VKDOODSSO\
'XULQJ WKH SURGXFWLRQ WHVWLQJ RI WXEHV WKH OHYHO RI PDJQHWL]DWLRQ DFKLHYHG XVLQJ WKH DGRSWHGWHFKQLTXHDQGHTXLSPHQWVKDOOEHFKHFNHGDWUHJXODULQWHUYDOVQRWH[FHHGLQJIRXUKRXUV XVLQJIRUH[DPSOHDIOX[LQGLFDWRURUPDJQHWLFILHOGVWUHQJWKPHWHUDVDSSURSULDWH
Trang 103DJH (1
%6,
$&&(37$1&(/(9(/6
DQGRU WKH PD[LPXP SHUPLVVLEOH GLPHQVLRQV GLDPHWHU RU OHQJWK KDYH EHHQ HVWDEOLVKHG LQ DFFRUGDQFHZLWKWDEOHVDQG
7DEOH7HVWLQJRIWXEHVXUIDFH3HUPLVVLEOHQXPEHUDQGGLPHQVLRQRI
LQGLFDWLRQVZLWKLQDIUDPHDSHUWXUHRIPP[PP
7\SHRILQGLFDWLRQV 5RXQGHG /LQHDU $FFXPXODWHG
$FFHSWDQFH
OHYHO 6SHFLILHG ZDOO
WKLFNQHVV
7
PP
1XPEHU PD[
'LDPHWHU PD[
PP
1XPEHU PD[
/HQJWK PD[
PP
1XPEHU PD[
&XPXODWLYH OHQJWK PD[
PP
0
0
0
0
Trang 11(1
%6,
7DEOH7HVWLQJRIWKHZHOGVHDP3HUPLVVLEOHQXPEHUDQGGLPHQVLRQRI LQGLFDWLRQVZLWKLQDIUDPHDSHUWXUHPPORQJDQGPPZLGHLQDPP
ZLGHDUHDRQHLWKHUVLGHRIWKHZHOGVHDP
7\SHRILQGLFDWLRQV 5RXQGHG /LQHDU $FFXPXODWHG
$FFHSWDQFH
OHYHO 6SHFLILHG ZDOO
WKLFNQHVV
7
PP
1XPEHU PD[
'LDPHWHU PD[
PP
1XPEHU PD[
/HQJWK PD[
PP
1XPEHU PD[
&XPXODWLYH OHQJWK PD[
PP
0
0
0
0
VKRZVWKHPLQLPXPGLPHQVLRQEHORZZKLFKWKHLQGLFDWLRQVDUHQRWWREHWDNHQLQWRFRQVLGHUDWLRQ LQWKHFRUUHVSRQGLQJDFFHSWDQFHOHYHO
7DEOH0LQLPXPGLPHQVLRQRILQGLFDWLRQV
WREHFRQVLGHUHGIRUHYDOXDWLRQ
$FFHSWDQFH OHYHO 'LDPHWHURUOHQJWKRI WKHLQGLFDWLRQ
PLQ
PP