IS 8800: Technical Delivery Conditions for Steel Castings (Excluding Investment Castings)

17 Pages·1997·1.8 MB·English

by  Bureau of Indian Standards

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IS 8800 (1997): Technical Delivery Conditions for Steel
Castings (Excluding Investment Castings) [MTD 14: Foundry]
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“Knowledge is such a treasure which cannot be stolen”

IS 8800 : 1997

TECHNICAL DELIVERY CONDITIONS FOR
STEEL CASTINGS (EXCLUDING
INVESTMENT CASTINGS)
( Third Revision )
SCI 77.140.80

0 SIB 1997
BUREAU OF INDIAN STANDARDS
KANAM ,NAVAHB 9 RUDAHAB HAHS RAFAZ MARG
WEN IHLED 110002

September 1997 Price Group 6
leetS Casting lanoitceS ,eettimmoC DTM 17
FOREWORD
sihT naidnI dradnatS drihT( )noisiveR was detpoda yb eht uaeruB fo naidnI Standards, retfa eht tfard
dezilanif yb eht leetS Castings lanoitceS eettimmoC had neeb devorpa yb eht lacigrullateM gnireenignE
noisiviD .licnuoC
sihT standard was tsrif dehsilbup ni 1978 and was desiver ni 1985 and 1986. elihW gniweiver eht standard
ni eht thgil fo eht ecneirepxe deniag gnirud eseht sraey eht eettimmoc has dediced that eht standard yam
eb rehtruf .desiver nI this noisiver suoirav sesualc evah neeb dengila htiw eht tnecer standards no leets
castings.
nI eht noitaraperp fo this standard, assistance has neeb devired morf 0SI 4990 : 1986 leetS Castings,
lareneG lacinhceT stnemeriuqer issued yb lanoitanretnI noitazinagrO rof noitazidradnatS .OSI
roF eht esoprup fo gnidiced rehtaehw a ralucitrap tnemeriuqer fo this standard is deilpmoc ,htiw eht lanif
,eulav devresvo fo ,detaluclac gnisserpxe eht tluser fo a tset ro ,sisylana shall eb dednuor ffo ni ecnadrocca
htiw SI 2 : 1960 seluR‘ rof gnidnuoR ffo laciremun seulav .‘)desiver( ehT rebmun fo tnacifingis secalp
deniater ni eht dednuor ffo eulav dluohs eb eht emas as that fo eht deificeps eulav ni this standard.
SI 8800 : 1997
Indian Standard
TECHNICAL DELIVERY CONDITIONS FOR
STEEL CASTINGS (EXCLUDING
INVESTMENT CASTINGS)
( Third Revision )
1 SCOPE ETON - erehW a nrettap si deilppus yb eht ,resahcrup eht
rerutcafunam dluow ton yliranidro eb dleh etbisnopscr rof
1.1 sihT standard seniltuo lacinhcet snoitidnoc rof eht lanoisnemid ycarucca ro eht sgnitsac sselnu esiwrehto
ylppus fo leets castings and snoitidnoc rof noitceles .deerga
and noitaraperp fo samples and tset .seceip
4.1.5
The Reference Numbers of AI1 Standards or
1.2 erehW a lairetam fo tcudorp noitacificeps syal Specifications Concemed
nwod tnereffid ,snoitidnoc esoht snoitidnoc shall
dohtem fo ,noitcepsni yllaiccpsc ni eht
.ylppa nI laiceps ,sesac snoitairav no eseht 4.1.6 The
esac fo evitcurtsed-non stset ni ecnadrocca
snoitidnoc yam eb deerga nopu at eht emit fo
htiw 7.2.1.4.
yriuqne and .redro
4.1.7 noitacidnI fo eht laiceps ,stnemeriuqer ni
2 SECNEREFER
ecnadrocca htiw 7.2.
ehT naidnI Standards detsiL ni xennA A era
yrasscccn stcnujda ot this standard. 4.1.8 edarG and ytilauq fo eht leets and, fi
,etairporppa eht dohtem fo gnitlem and
3 YGO,IONIMRXI‘
lanoitidda .seitreporp
3.1 tsaC )tleM(
4.1.9 tnatropmI snoisnemid htiw noitacidni fo
ehT tcudorp fo yna fo eht :gniwollof rieht muted stniop rof gnikram tuo fo .gninihcam
)a enO ecanruf ,taeh
4.1.10 Class fo snoitaived no snoisnemid and mass
)b enO elbicurc ,taeh ro
nesohc ni ecnadrocca htiw SI 4897 ees( .)1.1.2.7
)c A rebmun fo ecanruf ro elbicurc staeh
fo ralimis noitisopmoc dexim ni a eldal 4.1.11 ,noissimbuS erehw ,etairporppa fo elpmas
ro deppat ni etarapes seldal and deruop castings rof lavorppa erofeb klub .erutcafunam
ylsuoenatlumis rof making a .gnitsac
4.1.12 ecalP fo s’resahcrup noitcepsni nehw eht
3.2 hctaB
stset nac ton eb deirrac tuo ni eht s’rerutcafunam
A puorg fo castings fo eno edarg fo lairetam tsac .skrow
morf eht emas tlem and taeh detaert rehtegot rednu
4.1.13 dohteM fo .gnihctaB
lacitnedi .snoitidnoc
4.1.14 sdohteM fo lacitsitats lortnoc ot eb desu
4 GNIKROW FO SEIRIUQNE AND ORDERS
fi( .)desu
4.1 hcaE yriuqne and redro shall edivorp eht
noitamrofni nevig ni 4.1.1 ot 4.1.17. 4.1.15 evitcirtseR sesualc no sriaper yb gnidlew
fi( .)yna
4.1.1 noitangiseD and, erehw ,yrassecen
noitacifitnedi rebmun fo eht .gnitsac 6!.1.4 serudecorP rof ,gnikram ni ecnadrocca
htiw 8, ,gninihcam ,gnidaol gnihcrapscd and eht
4.1.2 ehT ,ytitnauq etar fo yreviled and plus ro
.noitanitsed
minus ccnarclot no eht ytitnauq fo castings.
4.1.17
4. I .3 ehT srebmun fo eht drawings .dedivorp Type of Inspection
4.1.4 fI eht nrettap is deilppus yb eht ,resahcrup its 4.1.17.1 With on etacifitrec ’fo ,ecnailpmoc on
,ngised its ,noitidnoc its rebmun and eht noitcepsni tncmctats fo enituor lortnoc tset stluser and on
ot cb deirrac .tuo skrow .etacifitrec
1
IS 8800 : 1997
4.1.17.2 Non specific inspection .etacifitrec fI ereht is on cificeps noitalupits morf
eht resahcrup ro an tnemeerga ot eht ,yrartnoc eht
noN cificeps noitcepsni is deirrac tuo yb eht
reilppus nac emuserp that eht ecnatpecca
rerutcafunam no a tsac gnitluser morf eht emas
serudecorp yam eb deirrac tuo yb eht tnctcpmoc
noitcudorp ssecorp tub ton ylirassecen no eht
tnemtraped ees( etoN )2 at eht skrow ees elbaT 1.
stcudorp .deilppus
)a stnemucoD
Table 1 Type of Document Required for
1) Statements of compliance with the
Various Types of Inspection and Testing
order - A tnemucod yb hcihw eht
rednuof states that eht castings sup- Type of Inspection md Type of Document Symbol
deilp ylpmoc htiw eht stnemeriuqer fo Tesling
eht redro tuohtiw gnivig yna tset Non cificeps noitcepsni No tnemucod
dna gnitset ro
.stluser
tnemetatS fo CS
2) Statement of routine control test ecnailpmoc XI‘
results - A tnemucod yb hcihw eht ro
rednuof states that eht gnitsac sup- Test 1-ropcr
deilp ylpmoc htiw eht stnemeriuqer fo cificepS noitcepsni dna snoitcepsnI etacifitrec :<I
eht redro and ni hcihw eh seilppus eht gnitset deirrac tuo yb dengis yb eht -crper
eht deifilauq -traped foevitatnes deifilauqeht
stluser fo enituor lortnoc stset fo eht
tnem (see etoN )2 fo eht tncmtrapcd fo eht skrow
yrdnuof deirrac tuo no stcudorp -bo s’reerutcafunam yrotcaf
deniat yb eht emas dohtem fo
cificepS noitcepsni dna noitcepsnI etacifitrec ’ICI
rerutcafunam as esoht ,deilppus tub
gnitset deirrac tuo ni eht dengis yb eht resahcrup
ton ylirassecen no eht castings ecneserp fo eht -rup ro eht evilatneserper fo
.dereviled resahc ro fo a ydob eht ydob deman yb mih
deman yb mih or
4.1.17.3 Specific inspection noitcepsnI troper dengis KI
yb eht rerutcafunam dna
cificepS noitcepsni snaem eht ecnatpecca eht resahcrup ro his -per
erudecorp deirrac tuo no eht stcudorp ot eb cvitatne~r
dereviled ni redro ot kcehc rehtehw eseht stcudorp cificepS noitcepsni dna noitcepsnI etacifitrec ’ICI
ylpmoc htiw eht stnemeriuqer fo eht .redro gnitset deirrac tuo yb na dengis yb eht -edni
tnednepedni ,ydob eht tnednep ydob
)a stnemucoD
tset gnieb deirrac tuo
1) Certificate of acceptance-The -ifitrec edistuo eht noitcudorp
etac fo ecnatpecca sniatnoc eht tluser skrow
fo all debircserp stset deirrac tuo no suounitnoC noitcepsni y31 tnemeerga neewteb
samples nekat morf stcudorp ees( eht dcrseretni seitraP

etoN )1 hcihw era sevlesmeht
dereviled ni eht snoitidnoc deificeps )2 Acceptance report - nehW ti has neeb
rof eht gnimrof fo .sehctab ehT -pecca deerga that eht etacifitrec fo ccnatpccca
ecnat serudecorp yam eb deirrac tuo deificeps ni 4.1.17.3 )a( )1( llahs)2( osla eb
yb eno fo eht gniwollof sdohtem as dengis yb eht resahcrup ro his
deerga at eht emit fo yriuqne and ,evitatneserper ti is dellac eht ccnatpccca
.redro .troper
)i yb eht tnetepmoc tnemtraped
SETON
ees( etoN )2 at eht .skrow
1 htoB eht sgnitsac dna eht tset skcolb desu rof noitcepsni
)ii ni eht ecneserp fo eht resahcrup
era wonk sa eht .tcudorp
ro fo an noitazinagro detnioppa
2 tnemtrapedtnetepmocehT ta snacmskroweht eht ccpsni
yb .mih
noit ,tnemtraped hcihw si tnereffid morf eht noItcudorp
.tnemtraped nI niatrec ,sesac siht tnemtraped yam cb ~111
nI esac ,)l( eht ecnatpecca etacifitrec is dengis yb
tcejbus fo lavorppa yb eht .resahcrup
eht evitatnescrpcr fo eht tnetepmoc ,tnemtraped
and ni esac )2( yb eht resahcrup ro eht 5 :1IRUTCAFUNAM
evitatneserper fo eht snoitazinagro .detnioppa nI
5.1 Steel Making
emos laiceps sesac eht ecnatpecca erudecorp yam
osla eb deirrac tuo yb an noitazinagro hcihw is tpecxE erehw detalupits ot eht ,yrartnoc eht Ic.c~s
tnednepedni fo eht resahcrup and eht making ssecorp is tfcI ot eht noitercsid fo eht
,rerutcafunam eht tset deirracgnicb tuo edistuo eht ,yrdnuof ti shall, ,revewoh cb detacidni ot eht
gnirutcafunam .skrow nI this ,esac evitatneserper fo resahcrup fi eht rettal os scificeps ni eht yriuqne and
this noitazinagro has ot sign eht ecnatpecca .redro
IS 8800 : 1997
5.2 Unless esiwrehto deificeps ni eht yriuqne and snoitidnoc rednu hcihw yeht era ot eb desu
redro ro yllautum deerga ,nopu eht eciohc fo eht noitacol( ni eht esac fo dehcatta ,skcolb dohtem fo
sdohtem fo ,gnidluom ,gninnur taeh ,tnemtaert ,cte ,levomer )cte yam mrof eht tcejbus fo tnemeerga
is tfel ot eht noitercsid fo eht .yrdnuof nehw .gniredro nI hcus a esac eht ssenkciht fo eht
tset rab yam eb deniatniam ylraen lauqe ot eht
5.3 gninaelC and gnisserD
gnilur noitces ssenkciht fo eht gnitsac .denrecnoc
llA eht castings shall eb ,denaelc evah eht sand
,revewoH nehw eht gnilur noitces ssenkciht is 50
,devomer and eb desserd yltneiciffus ot wolla meht
mm ro erom eht thgieh and htgnel fo eht tset rab
ot dnopser ot taeh tnemtaert and ot eb yletauqeda
shall eb hcae tpek at tsael 3 semit its .ssenkciht ehT
.denimaxe
gnilur noitces ssenkciht shall eb detacidni yb eht
5.4 riapeR and noitacirbaF gnidleW resahcrup eht-ni yriuqne and eht .redro ehT tset
seceip dluohs eb nekat as nwohs ni eht .giF 1.
ehT riaper and noitacirbaf sdlew deriuqer yb eht
erutan fo eht leets gnitsac shall eb deirrac tuo NOTE- nI eht esac fo egral erehwgnitsac eht gnilur noitces
ecnadrocca ot SI 5530. Unless yna evitcirtser ssenkciht si erom naht eht ssenkciht fo eht tset kcolb ot eb
sesualc yficeps ot eht yrartnoc at eht emit fo eht dedivorp ti yam eb elbasivda ot taeh taert hcus tset skcolb
,yletarapes gnivig a ralimis taeh tnemtaert elcyc sa -mocer
yriuqne and ,redro eht castings yam eb dehsinif yb
dednem rof eht tnerap ,sgnitsac tcejbus ot tnemeerga -eb
snaem fo gnidlew tuohtiw eht suoiverp lavorppa fo neewt eht resahcrup dna eht .reilppus By ralimis taeh
eht .resahcrup tnemtaert elcyc ti si yllareneg tnaem taht eht erutarepmet
,egnar etar fo gnitaeh dna ,gnilooc ,cte lliw eb eht emas sa
6 NOITCELES FO SELPMAS AND -ARAPERP
esoht fo eht tnerap sgnitsac tub eht gnikaos emit dna dohtem
NOIT FO TSET SECEIP fo gnilooc yam eb tnereffid gnidneped no eht gnilur noitcrs
.ssenkciht
6.1 tseT skcolR
6.2 lacinahceM stseT
tpecxE rof enituor lortnoc stset ro erehw esiwrehto 6.2.1 Unless esiwrehto deificeps eht lacinahcem
deerga ,nopu eht tset skcolb rehtehw tsac yletarapes seitreporp deificeps era esoht hcihw era ot eb
ro dehcatta ot eht castings, era decudorp morf eht deniatbo nehw detset at 3O+lO”C morf tset bars
emas tsac and era taeh detaert gnola htiw eht tsac rehtie yletarapes morf ro dehcatta ot eht
castings yeht .tneserper nI esac fo noitacifissalc yb gnitsac ot hcihw yeht .refer ehT tset seulav os
,hctab emas tset skcolb shall eb tup htiw hcae hctab detibihxe ,tneserper ,erofereht eht ytilauq fo leets
rof taeh .tnemtaert morf hcihw eht castings evah neeb ;deruop yeht od
ton ylirassecen tneserper eht seitreporp fo eht
6.1.1 Unless esiwrehto ,deificeps eht tset skcolb
castings .sevlesmeht
yam eb tsac yletarapes morf eht castings.
62.2
6.1.2 ehT tset seceip desu rof eht lacinahcem stset Tensile Test at Ambient Temperature
era detceles morf eht tset skcolb htiw rieht sexa at The epahs and eht ,snoisnemid as llew as eht tset
tsael 12 mm morf eht .ecafrus ,dohtem shall ylpmoc htiw SI 1608. Unless

esiwrehto ,deificeps eht retemid fo dcnihcem tset
6.1.3 nI eht ecnesba fo a cificeps tnemeerga nehw
bars shall eb 14 .mm
eht,gniredro ssenkciht fo eht tset kcolb shall eb 30
23 .mm 6.2.3
Tensile Test at Elevated Temperature
6.1.4 tseT bars htiw tnereffid sessenkciht and A tset eceip fo eht emas retemid as rof eht tset at
gnidnopserroc lacinahcem seitreporp as llew as eht tneibma erutarepmet shall eb .desu
-I-
i
d3,)
c
P
Xl SECTION XX
d is eht ssenkciht fo eht gnilur noitces
.GIF 1 DNAECEIPTSETE III'FONOITISOP SIZEOFTIIESAMPLE
3
IS 8800 : 1997
6.2.3.1 The foorp stress at detavele erutarepmet sisylana ni eht tset etacifitrec rof laudiser stnemele
shall eb denimreted ni htiwytimrofnoc SI 1608. ehT shall eb enod ylno nehw os deificeps yb eht
erutarepmet deificeps ni eht tcudorp standard is resahcrup ni eht yriuqne and .redro ,revewoH eht
.desu rerutcafunam shall erusne that eht laudiser
stnemele era nihtiw eht ,stimil nehw hcus stimil era
6.2.4
Creep Testing and Stress Rupture Testing at deificeps yb eht resahcrup ni eht yriuqne and .redro
Elevated Temperature
6.3.3
noisnemid fo eht tset seceip and eht tset Inter-granular corrosion Test
The
sdohtem shall ylpmoc htiw eht tnemeriuqer ni SI sihT tset is yllamron devreser rof stainless .sleets
3407 straP( 1 and .)2 ehT esiahc fo dohtem and eht ehT tset shall eb deirrac tuo ni ytimrofnoc htiw
gnitset snoitidnoc shall eb eht tcejbus fo tnemeerga SI 10641 traP( ro)1 SI 10461 traP( )2 ro esiwrehto
neewteb eht resahcrup and eht .rerutcafunam yb tnemeerga neewteb eht .seitrap
6.2.5
Impact Test 6.4 Magnetic Tests
sihT tset shall eb deirrac tuo no hcton-V yprahc tset 6.4.1 ehT deificeps citsiretcarahc is yllamron
seceip ni ecnadrocca htiw SI 1757. citengam .noitcudni ehT eciohc fo rehto seitreporp
shall eb tcejbus ot tnemeerga neewteb eht .scitrap
6.2.6
Hardness Test
6.4.2 nI redro ot enimreted eht citengem
sihT tset shall eb deirrac tuo retfa lavomer fo
,noitcudni unless ereht era laiceps ,snoitacidni eht
ecafrus reyal ni redro ot etanimile dezirubrac-ed
gnirusaem erudecorp ot eb ,desu and eht epahs fo
.senoz
eht tset eciep shall ylpmoc htiw SI 10181.
6.2.7 Bend Test
7 INSPECTION
The test shall eb deirrac tuo ni ecnadrocca htiw eht
erudecorp nevig ni SI 1599. 7.1 General Requirements
The lareneg stnemeriuqer evig eht lamron lareneg
6.3 Chemical Tests snoitidnoc rof leets castings. ehT
SUPPlY
selpmaS rof lacimehc sisylana era deniatbo rehtie snoitidnoc fo noitcepsni era deificeps no eht redro
morf eht tset kcolb ro erom yllareneg morf eht .3.71.1.4ro2.71.1.4,1.71.1.4htiwecnadroccani
.eldal ehT elpmas shall eb tneiciffus ot wolla eerht
7.1.1
.snoitanimreted Visual Examination of the Castings
6.3.1 The evitatitnauq sisylana fo eht stnemele is 7.1.1.1 Shape and Dimensions
denimreted yb yhpargortceps ro yna rehto dohtem epahs and snoisnemid fo eht castings shall
The
deificeps ni eht standards ni ,ecrof no samples, eht htiwylpmoc eht stnemeriuqer fo eht redro rchtchw
epahs and snoisnemid fo hcihw era elbatius rof eht ni eht mrof fo gniward nrettap fo .ctalpmct llA
dohtem .desu nehW eht sisylana is deirrac tuo yb snoitacifidom ot cb edam ot eht drawings, ro
,yhpargortceps tnemerusem is detceffe no a tniop snrettap rof eht lacinhcet stnemeriuqer fo eht
fo eht elpmas hcihw stneserper its snaem lacimehc ,rerutcafunam shall mrof eht tcejbus fo an
.noitisopmoc nI eht esac fo tnemeerga-sid tuoba tnemeerga neewteb eht resahcrup and eht
eht ,stluser ylno esoht deniatbo yb lacimehc .rerutcafunam ehT rednuof shall neht yfirev yb
sisylana ni ecnadrocca htiw eht etairporppa trap fo elbatius snaem that eht epahs and snoisnemid
SI 228 shall eb nekat as gnieb .elbailer nehW eht dnopserroc ot esoht deificeps no eht ,redro fi ch is
noitanimreted is edam ,yllacimehc eht sisylana shall elbisnopser rof gnicudorp eht nrettap ,ro unless
eb edam no spihc nekat at tsael 6 mm htaeneb eht esiwrehto ,deificeps ot esoht fo eht ,nrettap rct’la
.ecafrus gnitsujda for noitcartnoc ,ecnawolla fi ti is deilppus
yb eht .resahcrup
6.3.1.1 ehT elbissimrep noitairav ni tcudorp
sisylana morf eht stimil deificeps rof eht eldal 7.1.1.2 Surface condition
sisylana shall eb as nevig ni SI 6601.
ecafruschT fo eht castings shall eb eerf morf stccfcd
6.3.2 that lliw ylesrevda tceffa eht ytilitu and cinihcam fo
Residual Elements
eht castings. ecafruS stceffa hcihw cra ton
stnemelE ton deificeps ni eht deriuqer lacimehc
laicidujerp ot eht reporp USC fo eht castings tonnac
noitisopmoc fo eht evitcepser standard shall ton
cb a nosaer rof .noitcejer Unless dcificcps
yliranidro eb dedda ot eht leets and all elbanosaer
esiwrehto at eht emit fo yriuqne and ,x&ro eht
snoituacerp shall eb nekat ot tneverp
castings cra dcrevilcd ni eht dcnihcamnu noilidnoc
noitanimatnoc morf eht ,pracs ,cte ot peek meht as
tub ylud desserd and dcnaclc fo all :inidluom
wol as .elbacitcarp sisylanA and gnitroper fo eht
lairetam and taeh tncmtacrt .elacs
SI
8800: 1997
7.1.1.3 The castings shall ton eb detniap unless os 7.2 laicepS stnemeriuqeR
detacidni at eht emit fo yriuqne and .redro
ehT resahcrup shall yficeps eht laiceps
7.1.2 ,stnemeriuqer fi ,yna ekil ,eruturtsorcim
Examination of the Material
ralunargretni noisorroc ,tset ,cte ot tnemelppus eht
The lairetam is deziretcarahc yb its lacinahcem lareneg stnemeriuqer no eht yriuqne and .redro
seitreporp ro/dna nehw deriuqer yb eht tcudorp ehT noitidnoc fo noitcepsni era deificeps no eht
standards, yb its lacimehc .noitisopmoc roF laiceps redro ni ecnadrocca htiw 4.1.17.1, 4.1.17.2 ro
sleets eht seitreporp woleb yam eb detnemilppus yb 4.1.17.3.
rieht nwo ralucitrap cisab .seitreporp
7.2.1
Inspection of the Castings
7.1.2.1
Mechanicalproperties resahcrup shall ni all sesac yficeps no eht
The
yriuqne and redro eht noitcepsni hcihw eh has
)a
Tensile test at ambient temperature
dediced ot yrrac tuo ni noitaler ot eht ecivres
)i elisneT ,htgnerts
snoitidnoc fo eht castings and yllacificeps eht
)ii dleiY stress, and
evitcurtsed-non stset rehtegot htiw rieht ytireves
)iii .noitagnolE
slevel as denifed ni 7.2.1.4. nI ,noitidda fi eh
ETON - nI eht tneve fo ytilibaliava-non fo a tset rab rof yna esoporp ot ekam eht rednuof elbisnopser rof eseht
,nosaer eht resahcrup yam ta sih noitercsid eerga ot evah eht noitcepsni ,serudecorp eh shall ylraelc etats this no
elisnet tset detcudnoc no eht tset eceip nekat morf a .gnitsac eht .redro Ins eht ecnesba fo hcus a ,tnemetats ro
nI taht ,esac ti yam eb detats rof noitamrofni taht eht -reporp
,esiwrehto ni eht ecnesba fo eht lautcartnoc
seit os deniatbo yam og nwod ot sa wol sa 08 rep tnec fo esoht
elbaniatbo morf tset .srab tnemeerga tneuqesbus ot eht s’rednuof noitatouq
b) Hardness test (specific to certain rof eht noitcepsni ,sdohtem eht rednuof deen ylno
gniwolloF-)stcudorp tnemeerga neewteb kcehc rof ,snoitnemid epahs and ecafrus
eht ,seitrap eht elisnet tset yam eb decalper ,ecnaraeppa ni ecnadrocca htiw 7.1.1.1 and 7.1.12.
yb a hardness ,tset ,revewoh this tset yam
7.2.1.1
osla eb desu yltnerrucnoc htiw eht elisnet Machining allowances and tolerances on
tset ot kcehc eht ytienegomoh fo a .ylppus dimensions and mass
a) gninihcaM secnawolla and secnarelot no
!ETON - euD ot noitairav fo lanoitces ssenkciht ni lautca
snoisnemid and mass shall eb as deificeps no
,sgnitsac eht ssendrah si derusaem no eht ,sgnitsac yam
etaived morf taht deificeps rof eht tset srab yb 02& rep .tnec eht gniward ;deilppus esiwrehto yeht shall
lC Reduction of area or impect test (Charpy V) mrofnoc ot SI 4897. noitacifireV fo eht
at ambient temperature - enO fo eht snoisnemid is deirrac tuo no castings ni eht
seitreporp shall eb .elbacilppa ,revewoH eht etats fo ,yreviled at eht ecnerefer
,resahcrup fi eh os ,serised yam ask rof htob erutarepmet fo .C°01 ehT snoisnemid
30+
eht seitreporp at eht emit fo yriuqne and fo denihcamnu and denihcam parts era

.redro derusaem yb naem fo stnemurtsni hcihw

d) Bend test - The tset eceip shall eb elbapac wolla a noisicerp elbitapmoc htiw eht
fo gnieb tneb ot eht detalupits .elgna nI deriuqer .secnarelot ehT resahcrup shall
redro ot teem eht stnemeriuqer fo this ,tset etacidni eht muted stniop rof gninihcam and
eht dediug dneb snemiceps shall evah on gnikram .tuo tI is elbarised rof mih ot ylppus
skcarc ro rehto nepo stcefed hcae gnideecxe eht drawings fo eht dehsinif .tnenopmoc
3 mm derusaem ni yna noitcerid no eht b) Proof Machining - foorP gninihcam is an
xevnoc ecafrus ro at eht renroc fo eht semitemosnoitarepo deirrac tuo no castings
nemiceps retfa .gnidneb ni redro ot ,erusne erofeb ,ylppus that a
castings is eerf fo ecafrus and ecafrus-raen
7.1.2.2 Chemical analysis (specific to certain stcefed that yam esiwrehto raeppa ni eht
products) esruoc fo lanif ,gninihcam gnisuac
emitnwod and syaled gnirud hcus a lanif
ehT lacimehc ytirup and noitisopmoc stimil era
gninihcam ,noitarepo hcihw fo net sevlovni
nevig ni eht tcudorp standards. ehT deificeps segnar
evisnepxe enihcam .sloot nehW foorp
fo lacimehc noitisopmoc era desab no eht stluser fo
gninihcam is ,enod ti is deirrac tuo as
eht tsac sisylana and fi os deificeps at eht emit fo
yranimilerp esraoc gninihcam noitarepo no
yriuqne and redro eht rerutcafunam shall edivorp a
a wef tnatropmi secafrus that ,lliw
etacifitrec gnitacidni eht tnetnoc rof hcae tnemele
,retfaereht ogrednu eht lanif hsinif
deificeps ni eht standard rof eht .tcudorp ynA
.gninihcam ehT elbissimrep snoitaived no
noitaived morf eht noitacificeps ni 6.3 shall eb
decnarelotnu foorp denihcam ,snoisnemid
deifiton ni .gnitirw
unless esiwrehto deerga shall cb as rep eht