Tiêu chuẩn iso 11692 1994 scan

IS0 cola or ates c losely wit h the Int erna t iona l Elec tr otec nica l Commis ion IEC on a ll maters of elec tr otec nica l sta ndar diza tion... clas ific tio... The c emic al comp s

Fir st edition

19 4-0 -l 5

Aciers p ur c nstructio mb a iq e de ty e ferite-p rlte a te au

Refer en e n mb r

IS0 1 6 2:19 4(E)

IS0 (the Int erna t iona l Orga nizat ion for Stan a r dization) is a worl wide

f eder ation of na tiona l stan ar ds b dies (IS0 memb r b dies) The wor k

of pr ep r i g Int erna t iona l Stan ar ds is norma lly car r ied out throu h IS0

which a tec hnic a l commite ha s b en esta bls ed ha s the r i ht to b

r epr esented on that commite Int er na tiona l orga niza tion , gov er nmental

a nd non-gov er nmental in la ison wit h ISO, also tak e p r t in the w ork IS0

cola or ates c losely wit h the Int erna t iona l Elec tr otec nica l Commis ion

(IEC) on a ll maters of elec tr otec nica l sta ndar diza tion

Draf Int erna t iona l Stan ar ds ado ted by the t ec hnic a l commite s are

c ir c ulated to the memb r b dies for v ot in Publc a t ion as a n Int erna t iona l

Stan ar d r eq ir es a pr ov al by at le st 7 % of the memb r b dies c astin

a v ote

Int erna tiona l Stan ar d IS0 1 6 2 w a s pr ep r ed by Tec hnic a l Commite

An ex A forms a n integral p r t of this Int erna t iona l Stan ar d An e x B is

for inf or mation only

0 IS0 19 4

Al r i hts r es r v ed Unle s oth rwis s e ifie , n pa of this p blcatio may b r epr od c d

or utiz d in any form or b y a ny mean , ele to ic or me hanical in lu in p oto o yin an

microfim, with ut p rmisio in wr itin fom th p bls e

Inter natio al O anizatio for Stan ar dizatio

Cas Po tale 5 ? C -121 Ge bv e 2 ? Switz r lan

Pr i te in Switz r lan

i

Fer itic-pearl tic engineering steels for precipitation

1.1 This Int erna t io a l Stan ar d spec if ie t he t ec hni-

c al d lvery req ireme t s for bi et s a nd ba rs mad of

t he a lloy ed st eels lst ed in t a ble 3 a nd 5 T he st eel

gra de lst ed in ta ble ar e c ha r ac te z d by c hemica l

f or gin T he st eel gra de lst ed in t able a r e c harac -

t er i e by t en ie req ireme t s a nd ar e int en e for

ma c hinin T he prod c t s ar e s p le in t he h a t -

tr eatme t c on it io s given in t able 1, ln s 2 to 4, a nd

in o e of t he s rf c e c on it io s given in t able

1.2 In spec ia l c a se , va ria t io s in t he e t ec hnic a l

d lvery req ireme t s or a ddit io s to th m may form

t he s bje t of a n agr eeme t at t he time of e q iry

a nd or der (s e ann x A )

1.3 In a ddit io to t his Int erna t io a l Stan ar d, t he

g n ra l t ec hnic a l d lvery req ireme t s of IS0 4 4

a r e a pplc a ble

T he f olow in st a nda rds c ont a in provisio s w hic h,

t hrou h r efer en e in t his t ex t , c on t it ut e provisio s

of t his Int erna t io a l Stan a r d At t he time of publ-

ca t io , t he e it io s in ic a t ed wer e v a lid A ll st a nda rds

ar e s bjec t to revisio , a nd pa rt ie to agr eeme t s

ba se o t his Int erna t io a l St an a r d are e c oura ge

to invest iga t e t he po sibi t y of a pply in t he mo t re-

c ent e it io s of t he st a nda rds in ic a t ed below

Members of IEC a nd IS0 ma int a in regist ers of c ur-

rs t ly va lid Int erna t io a l Sta ndards

a d test pie es ofwrou ht ste ls - Part 7: Samples

a d test pie es forme h nic l test

a d test pie es ofwrou ht ste ls - Pafl 2: Samples

te h ic l delvery req ireme ts

IS0 10 5-l :19 0, Hotroled ste l b rs - Part 1: Di-

me sio s ofround b rs

IS0 10 5-3:19 0, Hotroled ste l b rs - Part 3: Di-

me sio s offlat b rs

IS0 10 5-4:19 2, Hotroled ste l b rs - Part 4: Tol-

Clas ific tio ofste ls into un lo ed a d alo ste ls

b ls

- Brin / test

IS0 6 9 :19 4, Metalc materials - Te sie testing

clas ific tio

Sura e q alty c/as es for h troled round b rs a d

wire rods - Te h ic l delvery c nditio s

1

3 Definitions

For t he purpo e of t his Int erna t io a l Sta ndar d, t he

d f init io s for t he pr od ct for ms given in IS0 6 2

a pply T he ter m “a lloy ed st eel” is a s d f in d in

IS0 4 4 -l

T he d sig a t io of t he prod c t in an or der s all c ov er

t he f olow in

a ) T he d sig a t io of t he prod c t form (b r , bi e

folow ed by

st a nda rd a nd t he dime sio s a nd t olera nc es

s lec te from it (s e 5.6); or

- t he d sig a t io of t he dra w in or any ot her

d c me t c ov eri g t he dime sio s a nd toler-

a nc es req ired for t he pr od c t

b1 If a s r fa ce c on it io ot her t ha n “h t w or ke ” or

a spec ia l s r fa ce q a lit y is req ired

- t he s rf c e c on it io (s e t able ), a nd

- t he s rf c e q a lit y (s e 5.5)

c ) A d sc ript io of t he st eel, c ompri in

1)

2)

3)

4)

a refer en e to t his Int erna t io a l Stan ar d;

t he d sig a t io of t he st eel t y pe given in ta le

3 or 5;

of in pe ctio d c me t (s e IS0 10 7 1, if a n

in pec t io d c ume t is req ired;

t he sy mbol a nd, w here n c es a ry , t he d t a ils

ann x A), if a ny s p leme t a ry req ireme t

s all be c mple w it h

T he f olow in ar e to be or der ed

Hot -role rou d ba rs

- in ac or danc e w it h IS0 10 5-l ;

- wit h a n mina l diameter of 2 ,0 mm;

- a n mina l le gt h of 8 0 0 mm;

- a t oleranc e o diameter of f 0,2 mm (= c la ss S

of IS0 10 5-4);

- a t oleranc e o le gt h of +,$ mm (= c la ss L2 of

IS0 10 5-4);

- a ll ot her t olera nc es a s giv n in IS0 10 5-4, for

n rmal c a se

Sur f c e

- a s h t w or ked (sy mbol HW, s e ta ble )

Ste l

- in acc or dan e w it h t his Int erna t io a l Stan ar d,

t y pe 3 MnV 6 (s e t able );

- h a t-t r ea tme t c on it io : u t rea t ed (sy mbol T U,

s e t able 1);

-

IS0 10 7 )

De ig a t io

5

Ro n s IS0 10 5-l - 2 ,0 S x 8 0 0 I2

The man f a c tu n proc es of t he st eel a nd t he prod-

uc t s is lef to t he disc ret io of t he man fac tur er , wit h

t he rest ric t io s given in 5.1.2 to 5.1.4

Al ste ls s al b f uly kile

in t he u t rea t ed c on it io or in t he c on it io “r eate

t o impr ov e s ea ra bi t y ” Pr od ct s of st eels lst ed in

t able 5 s all be d lv ered in t he prec ipit a t io -ha rde e

c on it io

2

5.1.3.2 Surfa e c n itio 5.5.3 Remov a l of s rfa ce disc ont in it ie by weldin

is n t per mite

Unle s ot herw is agr ee (s e t able , ln s 3 to 6) at

t he time of e q iry a nd or de t he prod c t s s all be

d lv ered in t he as-h t -w orke c on it io

If s r fa ce disc ont in it ie ar e remov ed by ot her meth-

o s, t he kin of s r fa ce disc ont in it ie a nd permis i-

ble d ot h for t heir remov al s o ld, w here a ppr opr iate,

be agr ee upo at t he time of e q in/ a nd or de

propertie

5.2.1 Wh r e t he st eels ar e or dered w it h t he d sig-

na t io s given in ta ble a nd t he prod c ts are to be

d lv ered in t he u t rea t ed c on it io , t he req ireme t s

for c hemic al c ompo it io

given

in t a ble 3 a nd 4 a -

ply In a ddit io , for prod c t s to be d lv ered in t he

c on it io “r eate to impr ov e s ea ra bi t y ”, a ma xi-

T he s a pe, dime sio s a nd t olera nc es of t he prod c t s

t he time of e q iry a nd orde T he agr eeme ts s a ll,

na t io a l Sta ndards o ot herw is , o s it a ble na t io a l

st a nda rds

NOT E 3 F r flat a nd rou d b r s, the f olowin Inter -

na tiona l Stan ar ds cover dimen ion an /or toler an es for

pr od cts inc lu ed in t his Int erna t io a l Stan a r d:

IS0 10 5-1, IS0 10 5-3 a nd IS0 10 5-4

NOT 1 Guidanc e data for mec a nica l pr op r ties afer

pr ecipita tion ha rdenin ar e given in ta le B

5.2.2 Wh r e t he st eels ar e or dered wit h t he d sig-

na t io s given in ta le , t he req ireme t s for me h-

a nic a l propertie giv n in t his ta ble a pply

NOT 2 Guidanc e data for c emical comp sition of t he

ste ls lsted in ta le 5 ar e giv en in ta le 3

6.1.1 F r e c delv ery , t he is u of a ny in pec t io

up n at the time of en uiry a nd or de

t he h t -w orkin temper atur e to prod c e a fer r it ic-

pearlit ic st ruc t ure Un er c ert a in c irc umst a nc es, sma ll

port io s of ba init e a nd/or mart en it e may be pres n

5.3.2 For t he c ont en of n n-met a llc inclu io s, s e

A 2

6.1.2 If, in acc or dan e w it h t he a greeme ts mad

at t he time of e q iry a nd or de a t est r epor t is to be

prov id d, t his s all c ov er:

a ) t he stat eme t t ha t t he mat er ia l c omple wit h t he

req ireme t s of t he or der ;

b) t he res lt s of t he ca st analysis for a ll eleme t s

spe ifie for t he t ype of st eel s p le (This a ls

a pple to t he gr a de of ta ble 5.)

T he st eels s all be fr ee from int erna l d fe ts lk ly to

ha ve an a dv erse efe t (s e A.3)

5.5.1 A ll prod c t s s all ha ve a w or kmanlk f inis

5.5.2 At t he time of e q iry a nd orde agr eeme ts

may be mad c onc ernin t he req ired s r fa ce q a lit y

6.1.3 If, in a cc rdan e w it h t he agr eeme ts in t he

c r tifie in t he d c me t

or de a n in pec t io c r tificate 3.1.A, 3.1.8 or 3.1.C

or a n in pec t io r epor t 3.2 (s e IS0 10 7 ) is to be

prov id d,’ t he spe if ic in pec t io s a nd t est s d sc ribe

In a ddit io t he d c me t s all c ov er

in 6.2 s all be c arr ie o t a nd t heir res lt s s all be

a ) t he res lt s of t he ca st ana ly sis prov id d by t he

man fac turer for a ll eleme t s spe if ie for t he

b) the r es lts of a ll in p c tion a nd tests or der ed by

s p lementa r y r eq ir ements (se annex A );

c) the s mb l leter s or n mb r s c on ec tin the in-

sp c tion doc ments, the test pieces an pr od cts

wise agr eed F r f lat b rs a nd for bi ets, the detais

of v erif ic a tion ar e to b agr eed up n at the time of

en uiry a nd or der

A s f f ic ient n mb r of pr od cts s a ll b in p cted to

en ur e complan e wit h the sp cific ation

6.2.4 Retests

ic a l pr op r ties acc or din to ta le 5 s a ll b v erif ied for

ste ls or der ed wit h the desig a tion giv en in t his ta le

dition an the test method u ed for the v er if ica t ion

of the r eq ir ements s a ll b as given in ta le

6.2.2 Testin of t he sur fa e q alty

F r rou d b rs, the v erif ic a tion of the s r face q a lit y

2

1

d lv er y

pr ov e s ea rabi t y

har dened

F r r etests, IS0 4 4 s a ll a pply

The man factur er s a ll mark the pr od cts or the

bu dles or b xes c onta inin the pr od cts in a s ita ble

wa y , so that the identif ic a tion of the cast, the ste l

typ a nd the ori in of the delv ery is p s ible (se

A 5)

3

r

-4

x in ic te a plc ble for

X

-

A pplc ble r eq ir eme ts

Chemical comp sition ac or din

to t ables 3 a nd 4

X

-

Chemical comp sition ac or din

to ta les 3 an 4 a nd maximum

5.2.1

-

to ta le 5

The c emic al comp sition given

in ta le is giv en for g ida nce

only

2

I

3

I

4

I

5

I

6

1

2

3

4

5

6

Other s

Surfa e c n itio o d lv er y

Unles other w ise

agr eed

As hot w or ked

None or HW

x in ic te in g n ral a plc ble for

Pa ic la r con it ion

s p led by agr ee-

ment

HW t s r face r e-

mov al2)

-

X

-

1) HW: ho1 w or ked

2) The typ of s r face r emov al may b agr eed up n, for example, r efer en e to the r elev a nt dimen iona l stan ar d

b rs for h t forgin

1 I Elements not q oted s ould not b int ent iona lly ad ed to the ste l wit hout the agr eement of the pur chase other t ha n

for t he pur pose of f inis in the he t Al r easona le pr ecaution s ould b taken to pr ev ent t he ad ition, from s ra or other

mater ial u ed in man factur e, of elements which afect the ha r dena bi ty , mec hanical pr op r ties a nd a pplc a bi t y

2) The names ar e in ac or dan e wit h lSO/T R 4 4

3) Other elements may b ad ed to impr ov e ma c hina bi t y (or to contr ol s lf ide mor pholog an ox ide for mation), s bject

to agr eement The s lf ur r an e may also b s bject to agr eement

4) Some or a ll of the v a na dium content may b r eplaced by nio ium or tita nium, s bject to agr eement In this case, the

lower lmit of v a na dium s a ll also b s bject to agr eement

5

Ta le 4 - Per mis ible d v iatio s b twe n s e ifie a aly sis (s e ta le 3) a d pro u t a aly sis

,

Eleme t

% (m/m)

< 0,3

f 0 2

C

> 0,3 a nd < 0.4

f 0.0

Q lo

f 9 4

Mn

> 1,0 a nd d 1,6

f WI6

f 0,0

1) f me n that, in one cast, the dev ia tion may oc ur ov er the up er v a lue or u der the lower va lue of the sp cif ied r an e

in ta le , but not b th at the same time

Ty e of ste l d sig atio

Me h nic l pro erie l) 2)

I

I

N/ mm2 4)

3

2

14

15

1) Se IS0 6 9

R ,: up er y ield stres o if no y ield phenomenon oc ur s, the 0,2 % pr oof stres R po,p

R ,: t en ie str en th;

A: p r centage elon a t ion afer fr actur e on ori ina l gau e len t h & = 5,6 & (w here S, is the ori ina l cr os -sectional

ar ea)

Z: p r centage red c tion of are

2) The v a lues a pply for sizes up to 12 mm

3) The names ar e in ac or dan e wit h lSO/TR 4 4

6

Ta le 6

NOT - V er if ica tion of the r eq ir ements is only neces ar y if a n in p c tion ce if icate or a n in p c tion re ort is or der ed, a nd

if he r eq ir ement is a plca ble ac or din to ta le 1, c olumn 4

3

Te t meth d

Numb r of

Numb r of

pr od cts p r sample

te t u it pr od ct

1

man factur er; for pr od ct analyis s e A.4 priate Inter natio al

Stan ar ds lste in

ISO/TR 9 6

1

1

In cas of dis ute, Acor din to

IS0 6 0

s ear abity”

c mfere c of th

pro u t at a dis-

tan e of 1 x thick -

n s fom o e e d

an , in cas s of

pr od cts with

s uar e or e tan u-

lar cro s-s ctio , at

a distan e of

0.2 x b, w her e b is

th w idth of th

pr od ct, fom o e

lo gitu inal e g

ditio

hav in a gau e

le gth of

L, = 5.6 &-

wh r e

S, is th cro s-

s ctio al ar ea of th

te t pie e

1) Th g n r al c n itio s for s le tio an pr epar atio of te t sample an te t pie e s o ld b in acor dan e with IS0 3 7-l

2) Th te ts s al b carr i d o t s par ately for eac cast as in icate b y “C”, eac dime sio as in icate b y ID”, an eac h at

tr eatme t batc as in icate b y “T”

7

Dimensio s in mi mete

A = Sample prouct

B = T est s mple

C = T est bar (he pie e af ter redctio to the siz in which it is to be he t

teted)

Cl = T est pie

Circular an simiar shaped s tio s

a G 2 ”

a < 2 ”

b o

I

a

t

b

12,s

a > 2

b a

b

Retan ular s tio s inclu in sqare

/ ‘-

/

\ ) T ensie te t pie e

,

I F r smal pro ucts (u or b G 2 m ) the te t pie e shal if

ps ible, co sist of an uma hined par of the bar

8