IS 1252: Hot rolled steel bulb angles Dimensions

10 Pages·1991·1.1 MB·English

by  Bureau of Indian Standards

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IS 1252 (1991): Hot rolled steel bulb angles Dimensions
[CED 7: Structural Engineering and structural sections]
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IS 1252 : 1991
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( vm YF*m 1
Indian Standard
HOT ROLLED STEEL BULB ANGLES-
DIMENSIONS
( First Revision )
UDC 669’14’122: 669’14-423

@J BIS 1991
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
November I 991 Price Group2
larutcurtS snoitceS IanoitceS ,eettimmoC CED 8
FOREWORD
sihT naidnI dradnatS ( tsriF noisiveR ) was detpoda yb eht uaeruB fo naidnI Standards, retfa eht
tfard dezilanif yb eht larutcurtS snoitceS lanoitceS eettimmoC had neeb devorppa yb eht liviC
gnireenignE noisiviD .licnuoC
bluB selgna era yllareneg desu ni ship gnidliub and gnidliub-rac .seirtsudni nI eht noitaraperp
fo this standard eht lanoitceS eettimmoC yllaiceps tpek ni weiv eht stnemeriuqer fo eseht
.seirtsudni
sihT standard was tsrif dehsilbup ni 1958. nI this noisiver apart morf lareneg updating, eht
noitangised fo blub selgna has neeb .deifidom
roF eht esoprup fo gnidiced rehtehw a ralucitrap tnemeriuqer fo this standard is deilpmoc ,htiw
eht lanif ,euIav devresbo ro ,detaluclac gnisserpxe eht stluser 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 euIav dluohs eb eht emas as that fo eht
deificeps eulav ni this standard.
Indian Standard
HOT ROLLED STEEL BULB ANGLES -
DIMENSIONS
( First Revisiofl
)
1 EPOCS C&= ecnatsiD fo ertnec fo ytivarg fo eht noitces
morf eht kcab enil fo eht bew
1.1 sihT standard syal nwod eht lanimon
,snoisnemid mass and lanoitces seitreporp fo I=, = M tnemo fo aitreni tuoba eht X-X sixa
toh dellor leets blub .seIgna
y& = tnemoM fo aitreni tuoba eht
Y-Y axis
2 ECNEREFER
&U = tnemoM fo aitreni (
Max ) about the u-u
2.1 ehT naidnI dradnatS SI 1852 : 1985 -icepS‘ sixa
noitac& rof gnillor and gnittuc secnarelot rof
dellor-toh leets stcudorp is a
(fourth revision )’ 1~ = tnemoM fo aitreni (
Min ) about the v-v
yrassecen tcnujda ot this standard. sixa
3 YGOLONIMRET xxe = ecnatsiD fo emertxe erbif morf eht X-X
sixa
3.0 roF eht esoprup fo this standard, eht
gniwollof snoitinifed shaII .ylppa ,,e = ecnatsiD fo emertxe erbif morf eht Y-Y
sixa
3.1 Y-Y sixA - A enil passing hguorht eht
ertnec fo ytivarg fo eht eIiforp fo eht snoitces
and 1ellarap ot eht sixa fo eht .bew ’ Z,,= 15X = suIudoM fo noitces tuoba eht X-X
sixa
3.2 X-X sixA - A eniI passing hguorht eht
ertncc fo eht ytivarg fo eht eIiforp fo eht noitces
and at thgir selgna ot eht Y-Y .sixa z yJ = &! = suludoM fo noitces tuoba eht Y-Y

3.3 U-U and V-V sixA - seniL passing hguorht sixaCYY
eht ertnec fo ytivarg fo eht eIiforp fo eht
,noitces gnitneserper eht 1apicnirp sexa fo eht
=xxr
.noitces
4 SLOBMYS
5’y
4.1 retteL slobmys desu ni this standard evah yb = YY = Radius fo noitaryg tuoba eht
neeb detacidni ni eht erugiF ni eIbaT 1. eroM
Y-Y sixa
ticilpxe snoitinifed rof niatrec sIobmys desu ni
eht elbat and erugif era nevig :woleb
uur = Radius fo noitaryg tuoba eht
IanoitceS aera ni sq mc
a =
m = lanimoN mass ni kg rep m = 0.785
a
D = noitcejorP fo eht blub morf eht edisni =rrr I/ vV = Radius fo noitaryg tuoba eht
ecaf fo eht bew Y
v-‘-v ati s
C,.= ecnatsiD fo ertnec fo ytivarg fo eht
noitces morf eht kcab enil fo eht egnalf eignA neewteb eht U-U and eht X-X sixa
a =
1
SI 1252 : 1991
5 NOITANGISED selgna snoitces shall eb as nevig ni elbaT 1.
5.1 toH delIor leets blub selgna gnimrofnoc ot lanoitceS seitreporp fo eht blub selgna evah
this standard shall eb detangised yb srettel AB neeb nevig ni elbaT 1 rof .noitamrofni
dewolIof yb a erugif gnitoned eht htped fo
regnoI edis fo eht elgna ni .mm * and ** ot
etoned reivaeh .snoitces
6 SNOISNEMID AND LANOITCES 6.2 ehT gnibor and gnittuc secnarelot fo eht
SEITREPORP blub seIgna shall eb as ,detalupits ni SI 1852 :
6.1 ehT lanimon noisnemid and mass fo blub 1985.

2
IS 1252 : 1991
Table 1 Nominal Dimeosiow, Mnss nod Sectional Properties of Bulb Angles
( Clauses 4.1 and 6.1 )
-tceS eziS Thick- (0 Radi- Centre fo ytivarG Dirtaaec of Tna CC Momeotr or Inertin Radii fo Gvration MOd”li fO
aerAio(4 nal )b(xOV (4 UPa , .--__L__ ,G Elu xtreme Fibrelr wfw 1.X rxr r,, )z.7lM( h” (Mi”) rrr 2.. Sectioo Z”,
(1.)
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) 03) (14) (15) )bl( )71( (18) (19) 00) (21) 02) )32( (24) (25) (26)
gk cm’ rnrnXrnrn mm mm nInI mm mm nInI mc mc cm Enl ’lm Crn~ cnl’ ml’ mc mc mc mc cnP cm’
AB 001
AD UOI 6.8 10’94 100x 65 6’0 0’6 13 0’01 5’0 4’0 3’92 1’43 6’08 5’07 0’291 143 33‘0 113 22’8 3’6, 1’74 3’74 1’44 23’5 6’5
AB 100’ 9’6 12’17 100 x 65 7’0 6’5 13 10’0 5’0 4’0 3’95 1’43 6’05 5’07 0’288 15s 35’7 165 24’9 3’56 1‘7, 3’69 1’43 25’6 7’0 AB 100’
AB 125 12’2 15’60 ,25x75 7.0 7’0 16 11’0 5’5 5’0 5’06 1’60 7’44 5’90 0’248 322 60’4 339 43’3 4’54 1’97 4’66 1’67 43’2 10’2 AB 125
AB 12s’ 13’4 17’1, 125x75 8’0 7’5 16 11'0 5’5 5’0 5’08 1’61 7’42 5’89 0’246 344 64’6 362 46’6 4’49 1’94 4’60 1’65 46’4 11’0 AB 125’
AB 150 16’1 20’45 150x75 8’0 8’0 20 11'0 5’5 6’0 6’52 1’55 8’48 5’95 0’167 613 71’4 628 55’9 5’47 1’87 5’54 1’65 72’2 12’0 AB 150
AB ’OJI 18’8 23’94 150x75 10’0 9’0 20 11‘0 5‘5 6’0 6’53 1’57 a.47 5’93 0’162 686 79’8 011, 703 63’4 5’36 1’83 5’42 1’63 81’1 13’5 AB 150’
AB 175 20’0 25’54 175x90 8‘0 9’0 23 13’5 6‘5 7‘0 7.44 1’89 10’06 7’11 0’185 l 070 137 1 104 6‘48 2’32 6’58 2’02 107 19’3 AB 175
AB 175* 23’3 29’66 175 x 90 10’0 10’0 23 13’5 6’5 7’0 7’46 1’90 10’04 7’10 0’181 1190 152 230 117 6’34 2’27 6’43 1’99 119 21’4 AB 17s’

AB 175** 26.5 33’74 175x90 12’0 11’0 23 13’5 6’5 7’0 7’49 1‘92 10’01 7’08 0’177 1310 166 13JO 130 6‘23 2’22 6’32 1’96 131 23’5 AB 175’.
AB 200 28’2 35’95 200 x 90 II’0 I I’0 26 13’5 6’5 8’0 8’87 1’86 11’13 7’14 0’136 1 880 172 1910 140 7’23 2’19 7’29 1’97 169 24’1 B4 200
AB 200’ 33.6 42’76 200 x 90 14’0 12’5 26 13’5 6’5 8‘0 8’89 1’91 11’11 7’09 0’131 2 130 194 2 160 160 7’06 2’13 7’12 1’93 192 27’3 AB 200’
AB 225 31’4 39’94 225x90 1L’O 11’0 29 13’5 6’5 9’0 10’4 1’80 12’10 7’20 0‘103 2 660 179 2 690 152 8’17 2’12 8’21 1’95 220 24’9 AB 225
AB 225’ 37’3 47’50 225x90 14’0 12’5 29 13‘5 6’5 9’0 10’4 1.85 12’13 7’15 0’098 3 020 202 3 040 175 7’97 2’06 8’01 1’92 249 28’2 AB 225*
AB 250 34’9 44’4, 250 Y 90 II’0 11’0 33 13’5 6’5 10’0 12’1 1’78 12’93 7‘22 0’075 3 680 188 3 700 168 9’11 2’06 9’13 1’95 285 26’0 AB 250
AB 250* 39’2 49’96 250 x 90 13’0 12’0 33 13’5 6’5 10’0 12’0 1’81 13‘01 7’19 0’072 4 010 205 4 030 185 8’96 2 02 8’98 1’92 308 28’5 AB 250’
BA 175 40’9 52’13 27s x 90 12’0 12’0 36 13’5 6’5 11’0 13’5 1’80 13‘96 7’21 0’057 5 160 213 5 180 197 9‘95 2’02 9’97 1’94 370 29’6 AB 275
AB 275’ 45’6 58.15 275 X 90 14’0 13’0 36 13‘5 6‘5 11’0 13‘4 1’83 14’05 7’17 0’054 5 580 231 5 600 215 9’80 1’99 9.8, 1’92 397 32 2 AB 275.
BA 300 47’5 60’47 300 x 90 13’0 13’0 39 13’5 6’5 12’0 15’0 1’82 15’02 7’18 0’042 7 030 241 7 030 229 10’8 2’00 10‘8 1‘95 468 33’6 AB 300
BA 300’ 52’6 66’96 300 x 90 15’0 14’0 39 13’5 6’5 12’0 14’9 1’86 15’08 7’14 0’040 7 370 260 7 580 248 10’6 1’97 10’6 1’92 502 36’4 AB 300’
3
dradnatS Mark
I
ehT esu fo eht dradnatS Mark is denrevog yb eht snoisivorp fo eht uaeruB fo naidnI
and eht seluR and snoitalugeR edam .rednuereht ehT dradnatS Mark
Standards Act, 1986
no stcudorp derevoc yb an naidnI dradnatS syevnoc eht ecnarussa that yeht evah neeb
decudorp ot ylpmoc htiw eht stnemeriuqer fo that standard rednu a llew denifed metsys
fo ,noitcepsni gnitset and ytilauq lortnoc hcihw is desived and desivrepus yb SIB and
detarepo yb eht .recudorp dradnatS dekram stcudorp era osla ylsuounitnoc dekcehc yb
SIB rof ytimrofnoc ot that standard as a rehtruf .draugefas sliateD fo snoitidnoc rednu
hcihw a ecnecil rof eht esu fo eht dradnatS Mark yam eb detnarg ot srerutcafunam ro
srecudorp yam eb deniatbo morf eht uaeruB fo naidnI Standards.
I
.-
Bureau of Indian Standards
BIS is a yrotutats noitutitsni dehsilbatse rednu eht Bureau of Indian Standards Act, 1986 to
etomorp suoinomrah tnempoleved fo eht seitivitca fo ,noitazidradnats gnikram and ytilauq
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Copyright
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ro edarg .snoitangised seiriuqnE gnitaler ot thgirypoc eb desserdda ot eht rotceriD
snoitacilbuP ,) .SIB
Revision of Indian Standards
naidnI Standards era deweiver yllacidoirep and ,desiver nehw yrassecen and ,stnemdnema fi
,yna era issued morf emit ot .emit sresU fo naidnI Standards dluohs niatrecsa that yeht era ni
noissessop fo eht tsetal stnemdnema ro .noitide stnemmoC no this naidnI dradnatS yam eb
tnes ot SIB gnivig eht gniwollof :ecnerefer
toD : .oN CED 8 ( 4873 )
Amendments Issued Since Publication
dnemA .oN etaD fo eussI txeT detceffA

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