IS 10461-2: Resistance to Intergranular Corrosion of Austenitic Stainless Steels - Method for Determination, Part 2: Corrosion Test in a Sulphuric Acid/Copper Sulphate Medium in the Presence of Copper Turnings (Monypenny Strauss Test)

9 Pages·1994·1.2 MB·English

by  Bureau of Indian Standards

इंटरनेट मानक
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Whereas the Parliament of India has set out to provide a practical regime of right to
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in order to promote transparency and accountability in the working of every public authority,
and whereas the attached publication of the Bureau of Indian Standards is of particular interest
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education and knowledge, the attached public safety standard is made available to promote the
timely dissemination of this information in an accurate manner to the public.
“जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ”
Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru
“The Right to Information, The Right to Live” “Step Out From the Old to the New”
IS 10461-2 (1994): Resistance to Intergranular Corrosion of
Austenitic Stainless Steels - Method for Determination,
Part 2: Corrosion Test in a Sulphuric Acid/Copper Sulphate
Medium in the Presence of Copper Turnings (Monypenny
Strauss Test) [MTD 24: Corrosion Protection]
“!ान $ एक न’ भारत का +नम-ण”
Satyanarayan Gangaram Pitroda
““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee””
“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै”
Bhartṛhari—Nītiśatakam
“Knowledge is such a treasure which cannot be stolen”

Indian Stmdard
RESISTANCE TO INTERGRANULAR
CORROSION OF AUSTENITIC STAINLESS
STEELS - METHOD FOR DETERMINATION
PART 2 CORROSION TEST IN A SULPHURIC ACID/COPPER SULPHATE
MEDIUM IN THE PRESENCE OF COPPER TURNINGS (MONYPENNY STRAUSS TEST)
( First Revision )
UDC 66914’018’8-1945: 662 0’193

0
I
. 0 BIS 1994 ;?
;d
BUREAU OF INDIAN STANDARDS “5
i:
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
2
NEW DELHI 110002
1

Mn?, 1994
PriceGroup 2
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noisorroC noitcetorP lanoitceS ,eettimmoC DTM 24
FOREWORD
sihT naidnI dradnatS (Part 2) tsriF( )noisiveR saw detpoda yb uaeruB fo naidnI ,sdradnatS retfa eht tfard
dezilanif yb eht noisorroC noitcetorP lanoitceS ,eettimmoC dah neeb devorppa yb lacigrullateM -nE
gnireenig noisiviD .licnuoC
sihT dradnats saw tsrif dehsilbup ni 1985 desab no 9SI B/1563 citinetsuA‘ sselniats sleets - -animreteD
noit fo ecnatsiser ot ralunargretni noisorroc : Part II noisorroC tset ni a ciruhplus reppoc/dica etahplus
muidem ni eht ecneserp fo reppoc sgninrut ynnepynoM( ssuartS ’)tseT deussi yb eht lanoitanretnI
noitasinagrO rof .noitazidradnatS
elihW gniweiver siht dradnats ni eht thgil fo ecneirepxe deniag gnirud eseht ,sraey eht eettimmoc sah
dediced ot esiver siht gnignirb-dradnats ti ni enil htiw tneserp secitcarp gnieb dewollof ni eht .yrtnuoc
ralunargretnI noisorroc setoned noitaroireted fo slairetam yb snaem fo laitnereferp kcatta gnola niarg
.seiradnuob roF citinetsua sselniats ,sleets hcihw yam eb detcejbus ot hcus na kcatta nehw yeht are tpek
at a erutarepmet neewteb 430 ot ,C°OOS ti si detaicossa htiw noitatipicerp-eht fo hcirmuimorhc sedibrac
at niarg seiradnuob dna eht tnatluser muimorhc noitelped ot( a level ssel naht 12% ).tw tnecajda ot eht
niarg .seiradnuob nI eht esac fo thguorw munedbylom-muimorhc-lekcin ,sleets dna ni muinatit ro
dezilibats-muiboin ,syolla eht ecneserp fo amgis esahp osla sesuac detarelecca .noisorroc ehT taeh ,elcyc
hcihw yam ekovorp ytilibitpecsus ot ralunargretni ,noisorroc yam rucco gnirud gnimrof-toh ssecorp ekil
gnigrof ,gnillor-dna as a tluser fo tcerrocni noitulos tnemtaert ro gnirud a gnidlew .noitarepo
sihT dradnats (Part 2) sah neeb deraperp ot edivorp a mrofinu dna dezilanoitar basis rof a dohtem fo
gninimreted eht ytilibitpecsus fo citinetsua sselniats sleets ot ralunargretni kcatta eud ot noitatipicerp
fo muimorhc edibrac dna eht tnatluser muimorhc noitelped .snoiger ehT kcatta desuac yb amgis esahp
si ton detcelfer ni siht .tset

sihT dradnats si deussi ni owt .strap Part 1 fo siht dradnats slaed htiw noisorroc tset ni cirtin dica muidem
yb remerusaem ‘. fo ssol ni ssam yeuH( .)tset
nI gnitroper eht tluser fo a tset enod ni ecnadrocca htiw siht ,dradnats fi eht lanif ,eulav devresbo ro
detaluclac si ot eb dednuor ,ffo ti llahs eb enod ni ecnadrocca htiw SI 2 : OX!l seluR‘ rof gnidnuor ffo
laciremun seulav .‘)deitver(
4991:)2traP(16401SI
Indian Standard
RESISTANCE TO INTERGRANULAR
CORROSION OF AUSTENITIC STAINLESS
STEELS - METHOD FOR DETERMINATION
PART 2 CORROSION TEST IN A SULPHURIC ACIDKO‘PPER SULPHATE
MEDIUM IN THE PRESENCE OF COPPER TURNINGS (MONYPENNY STRAUSS TEST).
( First Revision )
1 EPOCS detaert dna yltneuqesbus dezitisnes -idnoc
,noit dna
1.1 sihT dradnats (Part 2) sebircsed a erudecorp yb
)c ehT ecneulfni fo gnidlew dna detaicossa
hcihw eht reppoc ciruhplus-etahplus dica tset si ot
tsop noitacirbaf .stnemtaert-taeh
eb detcudnoc ot enimreted eht ytilibitpecsus fo
citinetsua sselniats leets ot ralunarg-retni .kcatta 4 TAEH TNEM’IYERT ROF NOITAZITISNRS
1.2 sihT dohtem si elbacilppa ylno ot citinetsua nI redro ot ytirev eht ssenevitceffe ’fo eht dedda
sselniats leets deilppus ni eht mrof fo tsac dellor ro gnizilibats stnemele ro wol nobrac tnetnoc rof
degrof stcudorp dna ,sebut dna dednetni ot eb desu gnitsiser ralunargretni ,noisorroc ti si yrassecen ot
ni yldlim gnizidixo .aidem yrrac tuo a taeh tnemtaert rof .noitazitisnes sihT
tnemtaert si yllausu deniatbo yb gniniatniam a tset
1.2.1 ehT ecneserp ro ecnesba fo ralunargretni
eceip rof eno ruoh at a erutarepmet fo C°S76-056
noisorroc ni eseht stset si ton ylirassecen a erusaem
dewollof yb dipar gnilooc ot moor erutarepmet ni
fo eht ecnamrofrep fo eht lairetam ni rehto -roc
air ro retaw sselnu rehto cificeps gnitaeh ro gnilooc
noisor .aidem ehT stset od ton edivorp a basis rof
setar are .detalupits ehT tsom lnommoc desu
gnitciderp eht ecnatsiser ot rehto smrof fo -roc
B
,noisor hcus as lareneg ,noisorroc gnittip ro sserts gnizitisnes taeh tnemtaert si 1 ruoh at 675 C dna
retaw gnihcneuq ro air .gnilooc
noisorroc .gnikcarc
5 NOISORROC -TSRT
2 ECNEREFER
ehT naidnI dradnatS SI 245 : 1988 -lyhteorolhcirT‘ 5.1 elpicnirP ,
,ene lacinhcet ’)noisiverdriht( si a nece ssarya djunct A tset ,eceip deraperp as deificeps ni 5.4.2, si -mi
ot siht dradnats
desrem ni a gniliob ciruhplus reppoc/dica etahplus
noitulos rof a deificeps .emit ehT tset eceip si neht
3 ESOPRUP FO EHT STSET
detcejbus ot a dneb .tset ehT xevnoc ecafrus
of the
3.1 ehT tset setacidni ytilibitpecsus ot -retni test eceip si denimaxe retfa gnidneb ni redro ot
ralunarg kcatta detaicossa htiw eht noitatipicerp fo laever .skcarc-yna nehW a tset si edam no a -maes
muimorhc hcir sedibrac at eht niarg seiradnuob ssel ,ebut eht tset eceip gnieb detcejbus ot eht -roc
dna muimorhc detelped snoiger tnecajda ot eht noisor tset si tuc ot evig a tset eceip elbatius rof
niarg .seiradnuob ehT tset seod ton tceted -pecsus ,gnidneb dna eht ecafrus fo eht ebut ot eb tup ni
ytilibit detaicossa htiw amgis ro rehto .sesahp noisnet gnirud eht dneb tset si ot deificeps no eht
.redro nI esac-eht fo niatrec sebut rof( ,elpmaxe
3.2 esehT stset yam eb desu ot etaulave yna fo eht
llams retemaid ,)sebut a gninettalf tset si desu -ni
gniwollof eerht :srotcaf
daets fo eht dneb .tset
a) ehT fo-ssenevitceffe eht lanif -taert-taeh
5.2
tnem nehw eht lairetam si detset ni eht as Corrosive Solution
’dereviled noitidnoc tuohtiw rehtruf tset
ehT ciruhplus reppoc/dica etahplus noitulos llahs
tnemtaert-taeh ,noitazitisnes eb deraperp as ,swollof gnisu lacitylana ytilauq
b) ehT ssenevitceffe fo eht dedda gnizilibats stnegaer :
,stnemele ro wol nobrac tnetnoc nehw eht evlossiD 100 g fo reppoc etahplus -nep
lairetam si detset ni eht noitulos -taeh etardyhat ,4OSuC( 5H20) ni 700 lm fo -sid
1
: 1994
IS HI461 ( Part 2 )
dellit .retaw nehT add 184 g 001( )lm fo neewteb eht resahcrup and eht .reilppus ehT lanif
ciruhplus dica .r( sp, rg )48.1 and ekam up ot ezis and epahs fo eht tset nemiceps lliw dneped
1 OOtl lm htiw dellitsid .retaw nopu eht elbaliava tset apparatus tub elbaT 1 yam
ehT evisorroc noitulos yam ylno eb desu .ecno eb desu as a ediug rof elbatius nemiceps .sezis
5.3 Apparatus 5.4.1.1 tseR seceip rof dedlew stcudorp shall eb eht
tcejbus fo tnemeerga neewteb eht detseretni -rap
53.1 Conical Flask
.seit
yticapaC eno ertil dettif htiw a ruof ball gnisir -noc
5.4.1.2 snemicepS deniatbo yb gniraehs dluohs
.resned
evah deraehs-eht segde denihcam ro dnuorg ffo
5.3.2 Support for the Test Piece roirp ot ,gnitset tuohtiw .gnitaehrevo A derauqs
egde is .elbarised
yllareneG fo glass, fi .yrassecen
5.3.3 Heating Device 5.4.2 Surface Preparation
oT peek eht noitulos .gniliob gnidnepeD no eht esoprup- fo eht ,tset eht tset
,eceip rehtie htiw ro tuohtiw noitazitisnes -taert
5.4
Test Piece
,tnem shall eb deraperp as deificeps ni rehtie 5.4.2.1
5.4.1 Dimensions ro 5.4.2.2. Unless detats~esiwrehto no eht ,redro eht
dohtem fo noitaraperp shall eb tfel ot eht -cafunam
ehT ezis fo eht tset nemiceps and eht aera morf
.rerut
hcihw ti is ot eb nekat shall eb yllautum deerga
Table 1 Size of Test Specimen
54.1 )
( Clause
IS No. Type of Material Size of Test Specimen
0) (2) (3)
i) Wrought wire or rod:
a) Up to and including 6 mm diameter Full diameter x minimum 75 long
b) Over 6 mm diameter Cylindrical segment of 6 mm (thick) x 25 mm wide
(M4y) x 75 to 125 mm
ii) Flat rolled products (plate, sheet and
strip):
a) Up to and including 5 mm thick Full thickness x ’ 10 to 25 mm wide x 75 mm (Min) long
b) Over 5 mm thick 5 to 12.5 mm thick x 10 to 25 mm wide -X 75 mm (Min) long

iii) Pipes and tubes:
a) Up to 37.5 mm diameter Full ring, 25 mm wide
b) Over 37.5 mm diameter A circumferential segment 75 mm (Min): in length, cut from a
25 mm wide ring
NOTES:
1 When bending cylindrical segment specimens, the curved surface shall be on the outside of the bend.
2 For flat-rolled products, which are not tested in full thickness, one of the original surfaces shall be retained
in the test specimen and it shall be on the outside of the bend. Cold-rolled strip or sheets may be tested
in the thickness supplied.
3 Ring sections of tubes should not be flattened or otherwise mechanically worked before they are put in the
rest solution.
4 Specimens from welded tubes over 37.5 mm diameter, shall be taken with~the weld in the axis of the bend.
5.4.2.1. Technical Properties semulov fo cirolhcordyh dica (sp. .rg ,)91.1 5
semulov fo cirtin dica (sp. ,rg )04.1 and eht 50
ehT tset eceip shall eb delacsed yllacinahcem yb
semulov fo eht retaw at 50 ot 60°C.
gnihsilop no all secafrus htiw edarg 120 evisarba
repap ro .htolc 5.4.2.3 Degreasing
The tset eceip shall neht eb desaerged rehtie ni
5.4.2.2 Chemicalpreparation
enelyhteorolhcirt ees( SI 245 : )0791 ro yna rehto
ehT tset eceip shall eb ,delacsed tuohtiw yna -erp
elbatius tnevlos erofeb gnieb decalp ni eht -roc
suoiv lacinahcem ,tnemtaert ni a noitulos fo 50 .noitulosevisor

2
IS 10461( Part 2 ) : 1994
5.5 Procedure 1.09Dt
H _
0.09D + t
5.5.1 Immersion in Corrosive Solution erehw
yrraC tuo eht tset ni eht ecneserp fo cillatem reppoc D= edistuo retemaid fo eht ,ebut ni ;sertemillim
05( g fo reppoc sgnilif rep ertil fo ,noitulos -ortni and
,decud at eht gninnigeb fo eht ,)tset usin a emulov
t = deificeps wall ,ssenkciht ni .sertemillim
fo evisorroc noitulos fo at tsael 10 mc/lm fo ecafrus
aera fo eht tset .eceip ecalP eht tset eceip no eht 5.5.3.1 nI esac fo dedlew ,sebut eht dlew shall eb at
reppoc ,sgnilif and erusne doog cinavlag tcatnoc eht tniop fo mumixam .gninettalf
revo eht eritne ecafrus yb gnidnuorrus eht
5.6
snemiceps htiw reppoc .sgnilif gnirB ot eht liob and Evaluation
eunitnoc gniliob rof 27-42 .sruoh nI esac fo etupsid ecafrus fo tset eceip xevnoc( )edis shall eb
5.6.1 The
eht noitarud fo eht tset shall eb tcejbus fo an denimaxe htiw eht dekan eye ro using a gniyfingam
tnemeerga neewteb eht detseretni .seitrap roF -itirc glass noitacifingam( ton retaerg than 10 x ) ni redro
lac snoitacilppa rof ,elpmaxe lacimehc ,seirtsudni ot tceted .gnikcarc nI eht esac fo teehs htiw a -kciht
rezilitref plants,, rewop plants raelcuN( and -rehT ness retaerg than 4 ,mm eht xevnoc ecafrus fo eht tset
,)lam ,cte tset noitarud fo 72 sruoh is -mocer shall eb eht deniater dellor .ecafrus
.dednem
5.6.2 modeerF morf serussif ro skcarc etacidni eht
ecnesba fo ralunargretni noisorroc and setutitsnoc
5.5.2 Bend Test
a yrotcafsitas .tluser ehT ecneserp fo serussif ro
nI eht esac fo lacirdnilyc and talf tset ,seceip tcejbus skcarc at snoitisop yawa morf eht segde fo eht tset
eht tset eceip ot a dneb tset hguorht lSO” no a eceip setacidni eht ecneserp fo ralunargretni kcatta
,lerdnam eht retemaid fo hcihw is lauqe ot eht and setutitsnoc a tset .eruliaf roF lacitirc -acilppa
ssenkciht fo eht tset ,eceip tpecxe rof tsac stcudorp ,snoit nehw eht tset is deirrac tuo rof 72 ,sruoh
ni hcihw esac eht lerdnam retemaid is eciwt eht ecneserp fo skcarc retaerg than 25 snorcim dluohs
ssenkciht fo eht tset .eceip eb nekat as tset .eruliaf ecnaraeppA fo -amrofed
noit ,senil selknirw no eht ecafrus tuohtiw -mocca
5.5.2.1 nI sesac fo lairetam gnivah wol ,ytilitcud gniynap skcarc ro serussif dluohs eb .dedragersid
hcus as ylereves dloc dekrow ,lairetam fi a lSO”
5.6.3 nI eht esac fo luftbuod ,stluser a ’081 dneb
dneb sevorp ,lacitcarpmi neht enimreted eht -ixam
tset shall eb deirrac tuo no a dnoces tset eceip
mum elgna fo dneb gnisuac-tuohtiw skcarc ni hcus
deraperp ni a ralimis yaw tub tuohtiw gnivah neeb
a lairetam yb gnidneb an detsetnu nemiceps fo eht
dettimbus ot eht noisorroc .tset ylevitanretlA a eyd
emas noitarugifnoc as eht nemiceps ot eb .detset
tnartenep tset yam eb deirrac tuo ot distinguish
5.5.3 Flattening Test neewteb kcarc and .selknirw ehT nosirapmoc fo

eht owt tset seceip selbane ti ot sehsilbatse rehtehw
In eht esac fo sebut detset ni lluf ,noitces a gnir 40 eht skcarc devresbo no eht dedorroc tset seceip era
mm gnol shall eb denettalf dloc neewteb lellarap eud ot ralunargretni .noisorroc At eht emas ,emit
talf snetalp tuohtiw gniwohs kcarc ro walf litnu eht fi skcarc era devresbo hcihw tonnac eb yletinifed
ecnatsid neewteb eht snetalp rednu daol is ton deifitnedi as ,ralunargretni eht lanidutignol noitces
retaerg than eht ,eulav ,H ni ,sretemillim nevig yb fo eht tset seceip yam eb denimaxe -ihpargollatem
eht gmwollof :alumrof ,yllat at a noitacifingam fo 100 x ot 250 x.
Bnreap;o f Indian Standards
yrotutats noitutitsni dehsilbatse rednu eht 1986 ot
BIS is a Bureau of Indian Stundurdr Act,
etomorp suoinomrah tnempoleved fo eht seitivitca fo ,noitazidradnats gnikram dna ytilauq
noitacifitrec fo sdoog dna gnidnetta tot detcennoc srettam ni eht .yrtnuoc
thgirypoC
SIB sah eht thgirypoc fo all sti .snoitacilbup oN trap. fo eseht snoitaciltup yam eb decudorper
ni yna mrof tuohtiw eht roirp noissimrep ni gnitirw fo .SIB sihT seod edulcerpton eht eerf ,esu
ni eht esruoc fo gnitnemelpmi eht ,dradnats fo yrassecen ,sliated hcus as slobmys dna ,sezis epyt
ro edarg .snoitangised seiriuqnE gnitaler ot thgirypoc eb desserdda ot eht rotceriD
( snoitacilbuP ), .SIB *
nolsircR
of Indian Stand-da
naidnI sdradnatS are deweiver yllacidoirep dna ,desiver, nehw yrassecen dna ,stnemdnema fi
,yna are deussi morf emit ot .emit sresU fo naidnI sdradnatS dluohs niatrecsa taht yeht are ni
noissessop fo eht tsetal stnemdnema ro .noitide stnemmoC no siht nriidnI dradnatS yam eb
tnes ot SIB gnivig eht gniwollof :ecnerefer
sihT naidnI. dradnatS sah neeb depoleved coD_morf DTM 24 ( 3923 ).
: No.
Amendments lsaued Since Poblicrtioo
dnemA .oN Date fo eussI txeT detceffA
UAERUB FO NAIDNI SDRADNATS
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,‘