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IS 1730 (1989) : Dimensions for steel plates, sheets strips 
and flats for general engineering purposes [CED 7: 
Structural Engineering and structural sections] 




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IS 1730 : 1989 
Supersedes IS 1731 

( Reaffirmed 2004 ) 

Indian Standard 

STEEL PLATES, SHEETS, STRIPS AND 
FLATS FOR STRUCTURAL AND GENERAL 
ENGINEERING PURPOSES — DIMENSIONS 

( Second Revision ) 
( \mi ^^^^ ) 

First Reprint NOVEMBER 1991 



UDC 669.14-41:006.78 



© BIS 1990 

BUREAU OF INDIAN STANDARDS 

MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG 
NEW DELHI 110002 

January 1990 Price Group 4 



Structural Sections Sectional Committee, CED 8 



FOREWORD 

This Indian Standard ( Second Revision ) was adopted by the Bureau of Indian Standards on 20 July 1989, 
after the draft finalized by the Structural Sections Sectional Committee had been approved by the Civil 
Engineering Division CounciL 

This standard was first published in 1961 covering steel plates, sheets and strips. On its first revision 
in 1974 it was published in three parts covering plates, sheets and strips separately. 

Steel flats which were covered separately in IS 1731 was revised in 1971 on the basis of ISO/R 1035/3- 
1965. With the revision of this ISO- recommendation in 1980, the revision of IS 1731 was also felt 
necessary. It has now been revised and amalgamated in this second revision of IS 1730, wherein the 
dimensions of flats have been aligned with ISO 1035/3-1980 'Hot rolled steel bars, Part 3 Dimensions of 
flats bars'. However, certain rationalized bar sections which are currently produced in the country have 
been retained in this specification. 

Values of mass have been given in three significant figures. 

For the purpose of deciding whether a particular requirement of this standard is complied with the final 
value, observed or calculated, expressing the result of a test or analysis, shall be rounded off" in accordance 
with IS 2: 1960 *Rules for rounding off numerical values (revwe^?)'. The number of significant places 
retained in the rounded off value should be same as that of the specified value in this standard. 



IS 1730 : 1989 



Indian Standard 

STEEL PLATES, SHEETS, STRIPS AND 
FLATS FOR STRUCTURAL AND GENERAL 
ENGINEERING PURPOSES — DIMENSIONS 

( Second Revision ) 



1 SCOPE 

1.1 This standard specifies nominal dimensions, 
nominal mass and surface area (for sheets) of hot- 
rolled steel plates, sheets, strips and flats for structural 
and general engineering purposes. 

1.2 This standard is mainly intended to cover plates, 
sheets, strips and fiats rolled from steel conforming 
to IS 226 : 1975 'Structural steel ( standard quality) 
{fifth revisian)\ IS 961 : 1975 'Structural steel 
(high tensile) {second revision)\ IS 1977: 1975 
'Structural steel (ordinary quality) ( second revision )\ 
IS 2062 : 1984 'Weldable structural steel ( third 
revision)' dind IS 8500: 1977 'Weldable structural 
steel (medium and high strength qualities)'. 

2 REFERENCES 

2.1 The following Indian Standard is a necessary 
adjunct to this standard: 



IS No, 
IS 1852 : 1985 

3 DESIGNATION 



Title 

Rolling and cutting tolerances for 
hot-rolled steel products {fourth 
revision ) 



3.1 Hot-rolled steel plates, sheets, strips and flats con- 
i*onning to this standard shall be designated as under: 

a) Plates shall be designated as ISPL followed 
by figures denoting length (mm) x width 
(mm) X thickness (mm) of the plates. 

b) Sheets shall be designated as ISSH followed 
by figures denoting length (mm) x width 
( mm ) X thickness ( mm ) of the sheet. 

c) Strips shall be designated as ISST followed by 
figures denoting width (ram) x thickness 
( mm ) of the strip. 

d) Flats shall be designated by the width ( mm ) 
followed by letters ISF and the thickness 
(mm). 

4 DIMENSIONS AND MASS OF PLATES 

4.1 Thickness 

The standard nominal thickness of plates shall be 
as g^ven in Table 1. 



4.2 Sizes 

The standard nominal sizes of plates corresponding 
to the nominal thickness specified in Table 1 shall 
be given in Table 2. 

4.3 Mass 

The nominal mass for plates in kg/m is given in 
Table 3 for information. 

5 DIMENSIONS AND MASS OF SHEETS 

5.1 Thickness 

The standard nominal thickness of sheets shall be as 
given in Table 4, 

5.2 Sizes 

The standard nominal size of sheets corresponding 
to nominal thickness specified in Table 4 shall be as 
given in Table 5. Surface area and mass of each 
sheets are also given in Table 5. 

6 DIMENSIONS AND MASS OF STRIPS 

6 A Thickness 

The standard nominal thickness of strips shall be as 
given in Table 6, 

6.2 Sizes 

The standard nominal sizes of the strips correspond- 
ing to nominal thickness specified in Table 6 shall 
be as given in Table 7. Mass of strips in kg/m are 
also given in Table 7. 

7 DIMENSIONS AND MASS OF FLATS 

7.1 The standard nominal thickness of flats shall be 
as given in Table 8. 

7.2 Sizes 

The standard nominal sizes of flats corresponding 
the nominal thickness specified in Table 8 shvAl 
be as given in Table 9, Mass of fiats are also given 
in Table 9. 

7.2.1 Flats above 160 mm in width shall normally 
be supplied in round edges. 

8 TOLERANCES 

8.1 The rolling and cutting tolerances and mass 
tolerances for steel plates, sheets, strips and. flats 
shall be as laid down in IS 1852 : 1985. 



1 



IS 1730 : 1989 



Table 1 Standard Nominal Thickness of Plate in mm 

( Clauses 4.1 and 4.2 ) 



50 


10 


18 


28 


45 


60 


12 


20 


32 


50 


7-0 


14 


22 


36 


56 


80 


16 


25 


40 


63 



Table 2 Standard Nominiil Sizes of Plates 

( Clause 4.2 ) 



width 
in mm 


900 950 1000 1100 1200 1250 1400 1500 1600 1800 2000 


2200 2500 


Length 
in mm 


Maximum Standard Nominal Thickness in mm 


2 200 


63 63 63 63 63 63 63 63 63 63 63 


63 63 


2 500 


63 63 63 63 63 63 63 63 63 63 63 


63 63 


2 800 


63 63 63 63 63 63 63 63 63 63 63 


63 63 


3 200 


63 63 63 63 63 63 63 63 63 63 63 


63 63 


3600 


63 63 63 63 63 63 63 63 63 63 63 


63 63 


4000 


63 63 63 63 63 63 63 63 63 63 63 


63 63 


4 500 


63 63 63 63 63 63 63 63 63 63 63 


63 63 


5000 


63 63 63 63 63 63 63 63 63 63 63 


63 63 


5 600 


63 63 63 63 63 63 63 63 63 63 63 


63 56 


6 300 


63 63 63 63 63 63 63 63 63 63 63 


56 50 


7 100 


63 63 63 63 63 63 63 63 63 63 56 


50 45 


8000 


63 63 63 63 63 63 63 63 63 56 50 


45 40 


9000 


63 63 63 63 63 63 63 56 56 50 45 


40 36 


10 000 


63 63 63 63 63 63 56 50 50 45 40 


36 32 


11 000 


63 63 63 63 56 56 50 50 45 40 36 


32 28 


12 500 


63 63 63 56 50 50 45 40 40 36 32 


28 25 


13 500 


63 63 56 50 50 45 40 40 36 32 28 


25 25 


N01 E ~ 


- Ihis tabic iiives the vahics of maNiiiHim standard nominal thicknesses for each combination 


of length and 


width. 


rhis means that any standard nominal thickness ( see Table i ) less than the ma^timum thickness specified in 1 


this table 


is available for the particular length-width combination. For example, for a length-width 


combination of 


)2 500x1 


600 mm, 40 mm is the maximum standard nomiral thickness specified. By this, it should 


be understood 


that any 


standard nominal thickness in the range 5 to 40 mm is available in 12 500 x I 600 mm size. 





IS 1730 : 1989 



Table 3 Mass per Metre of Plates 

( Clause 4.3 ) 



Width 
in mm 


900 


950 


1000 


1 m 


1200 


1 250 


1400 


1500 


1600 


1800 


2000 


2 200 


2500 


Thickness 




























in mm 












Mass* per metre, kg 












5 


35*3 


37-3 


39*2 


43-2 


47-1 


49-1 


55-0 


58*9 


62*8 


70*6 


78-5 


86*4 


98*1 


6 


42-4 


44-7 


47-1 


51-8 


56-5 


58-9 


66*0 


70*6 


75*4 


84*8 


94*2 


104 


118 


7 


494 


52*2 


550 


60*4 


660 


68*7 


76-9 


82*4 


87*9 


98*9 


IJO 


121 


137 


8 


56' 5 


59-7 


62-8 


69-1 


75*4 


78*5 


87*9 


94*2 


100 


113 


126 


138 


157 


iO 


70-6 


74'6 


78-5 


86*4 


94*2 


98* 1 


110 


118 


126 


141 


157 


173 


196 


12 


84*8 


89' 5 


94-2 


104 


113 


118 


132 


141 


151 


170 


188 


207 


236 


14 


98-9 


104 


110 


121 


132 


137 


154 


165 


176 


198 


220 


242 


275 


16 


113 


119 


126 


138 


151 


157 


176 


188 


201 


226 


251 


276 


314 


18 


127 


134 


141 


155 


170 


177 


198 


212 


226 


254 


283 


3U 


353 


20 


141 


149 


157 


173 


188 


196 


220 


236 


251 


283 


314 


345 


392 


22 


J 55 


164 


173 


190 


207 


316 


242 


259 


276 


311 


345 


380 


432 


25 


177 


186 


196 


216 


236 


245 


275 


294 


314 


353 


392 


432 


491 


28 


198 


209 


220 


242 


264 


275 


308 


330 


352 


396 


440 


484 


550 


32 


226 


239 


25! 


276 


301 


314 


352 


377 


402 


452 


502 


553 


628 


36 


254 


268 


283 


311 


339 


353 


396 


424 


452 


509 


565 


621 


706 


40 


283 


298 


314 


345 


377 


392 


440 


471 


502 


585 


628 


691 


785 


45 


318 


336 


353 


389 


424 


441 


495 


530 


565 


634 


706 


777 


883 


50 


353 


373 


392 


432 


471 


491 


550 


589 


628 


706 


785 


864 


981 


56 


396 


418 


440 


584 


528 


550 


615 


659 


703 


791 


879 


967 


1 079 


63 


445 


470 


495 


544 


593 


61§ 


692 


742 


791 


890 


789 


1088 


1236 


♦Based 


on density of steel -^785 


g/cm'^ 





















Table 4 Standard Noniinal Thickness of Sheets in mm 

( Clause 5.1 ) 



0'4() 


(V80 


112 


1*60 


2*(K) 


2*80 


400 


OM) 


()••>() 


1-25 


iM) 


2*24 


315 


4*30 


(^} 


roi) 


IMO 


\-')0 


2 50 


3*55 


4*65 



Table 5 Standard Nominal Dimensions and Mass of Sheet 



en 























V \^fu^ 


MC ^.^ 


• } 




















^ 




standard 










































• • 




Nominal 










































^ 




Thickness 
in mm 


0-40 


0*50 


0*63 


0*80 


090 


100 


112 


1*25 


140 


160 


180 


190 


200 


2-24 


2*50 


280 


315 


3*55 


400 


430 


465 S 

NO 


Size 


Standard 












































mm X mm 


Nominal 
Surface 










































' 




Area in m^ 
















Mass* per Sheet in kg 






















1800X 600 


ro8 


3*39 


4*24 


5-34 


6*78 


7-65 


8-47 


9*50 


10*6 


11*9 


13*6 


15-3 


16*1 


17*0 


190 


21-2 


23*7 


26-7 


30*1 


33*9 


36-4 


39*4 


750 


1-35 


4-24 


5*30 


6*67 


8*48 


9*54 


10*6 


11*9 


13*2 


14-8 


170 


191 


201 


21-2 


23*7 


26-5 


29*7 


33*4 


37*6 


42*4 


46*6 


49*3 


900 


1-62 


5-09 


6*35 


801 


10*2 


n-4 


12*7 


14-2 


15-9 


17-8 


20*3 


22*9 


24*2 


25*4 


28-5 


31*8 


35*6 


40*1 


45*1 


50*9 


54*6 


59*1 


950 


1-71 


5-37 


6*71 


8*45 


10-7 


12*1 


13*4 


150 


16*8 


18*8 


21-5 


24-2 


25*5 


26*8 


301 


33*6 


37*6 


42*3 


47*7 


53*7 


57*7 


62*4 


1000 


1-80 


5-65 


706 


8*90 


11*3 


12*7 


14*2 


15-8 


17*7 


19*8 


22*6 


25*4 


26*8 


28*3 


31*7 


35-3 


39*6 


44-5 


50*2 


56*5 


60*7 


65*7 


1 JOO 


1-98 


6*22 


7*77 


9*79 


J2-4 


14*0 


15-6 


17*4 


19*4 


21-8 


24*9 


280 


29*5 


31*1 


34*8 


38*9 


43*5 


490 


55*2 


62*2 


66*8 


72*3 


1200 


216 


6-78 


8*48 


10*7 


13*6 


15*3 


170 


190 


21*2 


23*7 


271 


30*5 


32-2 


33-9 


380 


42*2 


47-5 


53*5 


60*2 


67*8 


72*9 


78-8 


1250 


2-25 


7*07 


8*83 


irj 


14*1 


15*9 


17*6 


19*8 


22*1 


24*7 


28*3 


31-8 


33*6 


35*3 


39-6 


44-2 


49*5 


55*6 


62*7 


706 


760 


821 


1400 


2*52 


7-91 


9*90 


12-5 


15-8 


17-8 


198 


22-2 


24-7 


27-7 


31*7 


35*6 


37*6 


39-6 


44-3 


49*5 


55-4 


62*3 


70*2 


791 


85*0 


92*0 


] 500 


2-70 


8-48 


10*6 


13*4 


17*0 


19- 1 


21*2 


23*8 


26*5 


29*7 


33*9 


38*2 


40-2 


42*4 


47*5 


530 


59*3 


66*8 


75*2 


84*8 


910 


98*5 


2000X 600 


1*20 


3-77 


4*71 


5*93 


7-53 


8*47 


9*42 


10-6 


11*8 


13*2 


151 


17*0 


17*9 


18*8 


211 


23*6 


26*4 


29*7 


33'4 


37*7 


40*5 


43-8 


750 


1-50 


4*71 


5*88 


7*42 


9-42 


10*6 


11*8 


13*2 


14*7 


16*5 


18*8 


21*2 


22*4 


23*6 


26*4 


29*4 


330 


37*1 


41*8 


47*1 


50*6 


54*7 


900 


1*80 


5-65 


7*06 


8*90 


11-3 


12*7 


141 


15*8 


17*7 


19*8 


22*6 


25*4 


26*8 


28-3 


31*7 


35*3 


39*6 


44*5 


50*2 


56*5 


60*7 


65*7 


950 


1-90 


5-97 


7*45 


9*39 


12*0 


13-4 


149 


16*8 


17*9 


20*8 


23*6 


26*8 


28*3 


29-8 


33*4 


37*2 


41*7 


47-0 


52*9 


57*(5 


64*1 


69*3 


JOOO 


200 


6-28 


7- 85 


9-89 


12-6 


14*1 


15-7 


17*6 


19-6 


22*0 


25*1 


28*3 


29-8 


31*4 


35*2 


39-2 


44*0 


49*5 


55*7 


62*8 


67*5 


730 


1 100 


220 


6*91 


8*63 


iO-9 


138 


15*5 


17-3 


J9'3 


21*6 


24*2 


27*6 


31*1 


32-8 


34*5 


38*7 


43*2 


48*4 


54*4 


61*3 


691 


74*3 


80*3 


1 200 


2-40 


7*53 


9'42 


11*9 


151 


17*0 


18*8 


21-1 


23*6 


26-4 


30*1 


33*9 


35*8 


37*7 


42*2 


47-1 


52*8 


59*3 


66*9 


75*4 


81*4 


87*5 


I 250 


2-50 


7' 85 


9-80 


12*4 


15-7 


17*7 


19*6 


220 


24*5 


27*5 


31-4 


35*3 


37*2 


39*2 


44*0 


49*1 


55*0 


61*8 


69'7 


78*5 


84*3 


91*2 


1400 


2*80 


8*79 


no 


13*8 


176 


19*8 


220 


24*6 


27*5 


30,8 


35*2 


39*6 


41*8 


44*0 


49*2 


55*0 


61*5 


69*2 


78*0 


87-9 


94*5 


1000 


2 500 


300 


9*42 


11-8 


14-8 


lg'8 


21-2 


23*6 


26*4 


29*4 


330 


37*7 


42*2 


44*7 


47*1 


52*8 


58*9 


65*9 


74*2 


83*6 


94*2 


101 


109 


2 200X 6C0 


1-32 


4-14 


5-J8 


6-52 


8-28 


9-32 


10*4 


11*6 


13*0 


14*5 


16*6 


18*7 


19*7 


20*7 


23-2 


25*9 


290 


32*6 


36*8 


41*4 


44*5 


48*2 


750 


1-65 


518 


6-47 


8*16 


10-4 


11*7 


13-0 


14*5 


16*2 


181 


20*7 


23*3 


24*6 


25*9 


29*0 


32-4 


36*3 


40*8 


460 


51*8 


55*7 


60*2 


900 


1*98 


6-22 


7*77 


9*78 


124 


14*0 


15-5 


17*4 


19*4 


21*8 


24*9 


28*0 


29*5 


311 


34-8 


38*9 


43*5 


49*0 


55*2 


62-2 


66*8 


72*3 


950 


2- 09 


6-56 


8-20 


30-3 


13'1 


14-8 


16-4 


18*4 


20-5 


23*0 


26*2 


29*5 


31*2 


32-8 


36'8 


410 


45*9 


51*6 


58*2 


65-6 


70*5 


76*3 


1 oot^ 


2-20 


6-91 


8*63 


10-9 


13*8 


15*5 


17*3 


19*3 


21-6 


24*2 


27-6 


31*1 


32*8 


34*5 


38*7 


43*2 


48*4 


54'4 


61*3 


691 


74*3 


80*3 


i 100 


2-42 


7*60 


9*50 


120 


J5'2 


17-1 


19'0 


21*3 


23*7 


26*6 


30*4 


34*2 


36*1 


38*0 


42-6 


47*5 


53-2 


59*8 


67*4 


76-0 


81-7 


88*3 


1 200 


2'64 


8-29 


10-4 


131 


166 


18-7 


20*7 


23*2 


25*9 


29*0 


33*2 


37'3 


39*4 


41*4 


46*4 


51*8 


580 


65*3 


73*6 


82-9 


89*1 


96*3 


1 2M) 


2-75 


8-63 


10-8 


13-6 


17-3 


19*4 


21-6 


24*2 


27*9 


30*2 


34*5 


38-9 


41*0 


43-2 


48*4 


54*0 


60*4 


68*0 


76'6 


86*4 


92*7 


100 


> 400 


3-OS 


9-67 


12*1 


15-2 


193 


21*8 


24*2 


27*1 


30*2 


33*8 


38*7 


43*5 


45*9 


48*4 


54*2 


60*4 


67*7 


76*2 


85*8 


96-7 


113 


123 


■ 5(M) 


3.30 


10-4 


13-0 


16*3 


20*7 


23-3 


25-9 


29-0 


32*4 


363 


41*4 


46*6 


49*2 


51*8 


58*0 


64*8 


72*5 


81*6 


92-0 


104 


ni 


120 


: ^>;0;. mo 


1 50 


4-71 


5-88 


7-42 


9*42 


{{)■(•) 


irx 


13-2 


14*7 


16-5 


18*8 


21-2 


22*4 


23*6 


26*4 


29*4 


33*0 


371 


41*8 


47-1 


506 


54*7 


750 


1-875 


5'88 


7*35 


9-26 


11*8 


13'2 


14-7 


16-5 


18*4 


20*6 


23*6 


26*5 


27*9 


29*4 


330 


36*8 


41'2 


46-4 


52*3 


58*9 


63*2 


68*4 


900 


2-25 


7-07 


8-83 


111 


14- 1 


15-9 


J7-7 


19*8 


22' 1 


24*7 


28*3 


31*8 


33*6 


35*3 


39*6 


44*2 


49*5 


55-6 


62*7 


706 


760 


82*1 


^)50 


2-375 


7-45 


9*32 


11-7 


14*9 


16H 


18-6 


20-9 


23*3 


261 


29-8 


33*6 


35*4 


37*2 


41*7 


46*6 


52*2 


58*7 


66*1 


74*5 


80*2 


86*6 


1 000 


2'50 


7-85 


9-80 


12*4 


15*7 


\T1 


19-6 


220 


24*5 


27*5 


31*4 


35-3 


37*2 


39*2 


440 


49' I 


550 


61-8 


69*7 


78*5 


843 


91-2 


! nu) 


:-75 


8-63 


10*8 


136 


17-3 


19*4 


216 


24-2 


27*0 


30*2 


34*5 


38*9 


41-0 


43*2 


48*4 


540 


60*4 


680 


76*6 


86*4 


92*7 


100 


1 iOO 


3-00 


9'42 


11-8 


14-8 


18*8 


21-2 


236 


26*4 


29*4 


33-0 


37*7 


42*4 


44*7 


471 


52-8 


58*9 


65*9 


74-2 


83*6 


94'2 


101 


109 


12^0 


3-125 


9'81 


12-3 


15-5 


19*6 


22- 1 


24'5- 


27*5 


30*7 


34*3 


39-2 


44*2 


46*6 


49*1 


55*0 


61*3 


68*7 


77*3 


87*1 


981 


105 


114 


1 S{ ,i ) 


3-50 


110 


13*7 


17-3 


22-0 


24-7 


27*5 


30*8 


34-3 


38-5 


44*0 


49-5 


52*2 


550 


61*5 


68*7 


76*9 


86*5 


97*5 


no 


118 


128 


t "-OO 


3-75 


il'S 


14-7 


18-5 


23*6 


26-5 


29'4 


330 


36*8 


41-2 


471 


53*0 


55*8 


58*9 


65*9 


73*6 


82*4 


92-7 


104 


118 


126 


137 



: s(K). H)i) 


I 6.S 


5'3S 


66(1 


8' 30 


10 6 


il 9 


13 : 


14-8 


165 


18*5 


211 


23 7 


252 


26*4 


29*5 


33*0 


36*9 


415 


46' 8 


52-8 


56*7 


61-3 


7S) 


210 


6' 60 


8'2> 


UV4 


13-2 


UN 


16 5 


18*5 


26*6 


?31 


26*4 


29*7 


31*3 


330 


36*9 


41*2 


46*2 


51*9 


58*5 


65*9 


70-9 


76*6 


SKX> 


252 


7-91 


9-W 


125 


15*8 


17-8 


19S 


22' 2 


24-7 


27*7 


317 


35*6 


37*6 


39*6 


44*3 


49-5 


55*4 


62*3 


70*2 


79* i 


850 


920 


*J5<> 


2-66 


8*35 


t0*4 


13*2 


16*7 


18N 


209 


23*4 


261 


29-2 


33-4 


37*6 


39-7 


41-7 


46*8 


52*2 


58-5 


65*7 


741 


83*5 


89-7 


970 


1 (HX> 


2'80 


K-79 


no 


I3'8 


17-6 


19*8 


22-0 


24'6 


27*5 


30-8 


35*2 


396 


41*8 


44*0 


492 


55*0 


61-5 


69*2 


780 


87*9 


94*5 


100 


1 l(K) 


3-O.s 


967 


121 


152 


19*3 


21*8 


24*2 


27*1 


30*2 


33*8 


38*7 


43*5 


45'9 


484 


54*2 


60-4 


67-7 


76*2 


85*8 


96*7 


113 


123 


I2ix; 


3-.V> 


J07> 


1.3-2 


)6*6 


211 


23*7 


264 


29-5 


33*0 


36-9 


42*2 


47*5 


500 


52-8 


591 


65-9 


73-9 


831 


93*6 


106 


113 


123 


1 >5(> 


3*50 


no 


13*7 


17*3 


220 


24*7 


27-5 


30-8 


34*3 


38*5 


440 


49*5 


52*2 


550 


61*5 


68*7 


76*9 


86*5 


97*5 


110 


118 


128 


1 4(H> 


3-92 


12*3 


15-4 


19-4 


24-6 


27-7 


30*8 


34*5 


38-5 


43* I 


492 


55*4 


59-3 


61-5 


689 


76*9 


86-2 


%9 


109 


123 


134 


145 


1 5(»(t 


4-20 


13*2 


16*5 


20*8 


26-4 


29-7 


33*0 


36*9 


41 '2 


46*2 


52*8 


59*3 


62-6 


65-9 


739 


82*4 


92*3 


104 


117 


132 


142 


153 


3 20()x NX) 


1-92 


603 


7-53 


9*50 


12' I 


13*6 


15*1 


169 


188 


21*1 


241 


27*1 


28'6 


301 


33*8 


37-7 


42*2 


47*5 


53*5 


60*3 


64*8 


700 


750 


2*40 


7*53 


9-42 


119 


15*1 


17*0 


18'8 


21*1 


236 


26*4 


30*1 


33*9 


35-8 


37-7 


42-2 


47*i 


52*8 


59*3 


66*9 


75*4 


810 


87*5 


V(K» 


2*S<S 


904 


\\} 


142 


18*1 


20*3 


22*6 


25*3 


28-3 


31*7 


36*2 


40*7 


42-9 


45-2 


50*6 


56*5 


63*3 


71*2 


80*3 


90*4 


97*2 


105 


950 


304 


9-5 


119 


15 


19- 1 


2i 4 


23-8 


260 


29'8 


33*4 


38*2 


42'9 


45*3 


47*7 


53-5 


59-6 


66$ 


75*1 


84-7 


95*5 


103 


in 


UXH) 


3*20 


100 


12-6 


15'8 


20*1 


22-6 


25*1 


28' 1 


31'4 


35*2 


40*2 


45*2 


47-7 


50-2 


56*3 


62'8 


70*3 


79*1 


89'2 


ipo 


i08 


117 


1 MM) 


3*52 


ll'l 


138 


17*4 


22*1 


24*9 


27'6 


30*9 


34*5 


38*7 


44*2 


49*7 


52-5 


55*3 


6V^ 


69'i 


77-4 


87*0 


981 


110 


119 


128 


I2<K) 


3-84 


12*1 


15 1 


19*) 


24- 1 


27' 1 


30*1 


33*8 


37-7 


42*2 


48*2 


54*3 


57-3 


60-3 


67-5 


75-4 


84*4 


95*0 


107 


121 


no 


140 


! 35(> 


4(X) 


12-6 


15*7 


198 


25- 1 


2N- .^ 


31-4 


35-2 


39*2 


44*0 


50*2 


565 


59-6 


62*8 


70'3 


78*5 


87*9 


98*9 


111 


126 


135 


146 


UiH) 


4-4N 


14* 1 


17-6 


T)1 


28 1 


31-7 


^>"2 


39-4 


440 


49-2 


56*3 


633 


66*8 


70'3 


78*8 


87*9 


98*5 


1115 


125 


141 


151 


163 


1 5(H) 


4 SO 


IS 1 


18-8 


23' 7 


301 


339 


37-7 


422 


47* 1 


52*8 


60*3 


67*8 


71-6 


75*4 


84-4 


94-2 


105 


119 


134 


151 


162 


175 


3tHK)x 600 


2*16 


6*78 


8-48 


10-7 


13*6 


15*3 


170 


190 


21-2 


23-7 


27*1 


30-5 


32-2 


33.9 


380 


424 


47-5 


53-4 


60*2 


67-8 


72*9 


78-8 


750 


2*70 


8*48 


10-6 


13*4 


170 


19*1 


21*2 


23-7 


26*5 


29'7 


33-9 


38*2 


402 


42*4 


47-5 


530 


59*3 


66*8 


75*2 


84*8 


910 


98-5 


<XX) 


3*24 


10-2 


\l-7 


160 


20*3 


22*9 


25*4 


28*5 


31*8 


35*6 


40*7 


45*8 


48-3 


50-9 


570 


63-6 


71-2 


801 


90*3 


102 


109 


118 


V50 


3*42 


JO-7 


13*4 


16*9 


21*5 


24*2 


26-8 


300 


33*5 


27*6 


42*9 


48*3 


31'0 


53-7 


60*1 


670 


75*1 


84*5 


95*2 


110 


115 


125 


1 (XiO 


3*60 


113 


14- 1 


17*8 


22-6 


25-4 


2«'1 


31*7 


35-3 


39*6 


45-2 


50*9 


53*7 


56-5 


633 


70*6 


791 


890 


100 


113 


121 


131 


1 IIX) 


3 96 


12*4 


15-5 


196 


24-9 


28*0 


311 


34*8 


38*9 


43*5 


49*7 


560 


590 


62-2 


696 


77*7 


87*0 


97*9 


110 


124 


134 


144 


I2(X» 


4*32 


13*6 


170 


214 


27- 1 


30*5 


33-9 


38*0 


42*4 


47*5 


54*3 


610 


64*4 


67*8 


76*0 


84*8 


950 


107 


120 


136 


14^ 


158 


1250 


4-50 


14 1 


17*7 


22*3 


28-3 


318 


}y}' 


39*6 


44*2 


495 


56S 


.63*6 


670 


70*6 


791 


88-3 


^ 98-9 


111 


125 


141 


152 


164 


M(X) 


504 


15*8 


198 


24*9 


31*7 


35*6 


396 


44*3 


49-5 


55'4 


633 


71*2 


750 


791 


88*6 


98*9 


111 


125 


140 


158 


170 


184 


1 5(X» 


540 


170 


2! 2 


36*7 


33-9 


38*2 


424 


47*5 


530 


593 


67*8 


76*3 


80*4 


«4-8 


950 


106 


119 


134 


150 


170 


182 


197 


4 0(X)x 600 


240 


7-53 


9 41 


119 


\y\ 


17*0 


18'8 


21*1 


23-6 


26-4 


30 1 


33*9 


35-8 


37*7 


42-2 


47*1 


52*8 


59*3 


66*9 


75-4 


810 


87*5 


750 


3*00 


9-42 


11*8 


14*8 


18*8 


21'2 


236 


26*4 


294 


330 


37-7 


42*4 


44*7 


471 


52*8 


58*9 


65'9 


74-2 


83*6 


94*2 


101 


109 


900 


3'60 


11*3 


14*1 


17*8 


22-6 


25*4 


28*3 


31*7 


35*3 


39-6 


45 2 


50*9 


53-7 


56-5 


63*3 


70*6 


791 


89*0 


100 


113 


121 


131 


950 


3*80 


119 


14*9 


188 


23-8 


26 8 


298 


33-4 


37*2 


41-7 


47-7 


53-7 


56-6 


59*6 


66-8 


74*5 


83-5 


93-7 


106 


119 


128 


139 


1000 


400 


12-6 


J5'7 


19-8 


25' 1 


283 


31-4 


35-2 


392 


440 


50'Z 


565 


59'^ 


62-8 


70-3 


7«*5 


87-9 


98-9 


112 


126 


135 


146 


t 100 


4-40 


13*8 


17*3 


218 


27*6 


31 I 


345 


38*7 


43*2 


48*4 


55-3 


62*2 


65*6 


691 


77-4 


86-4 


96-7 


109 


123 


138 


148 


160 


1200 


4-80 


I5M 


18*8 


23-7 


30*1 


339 


37 7 


42*2 


471 


52*8 


60*3 


67*8 


716 


75-4 


84-4 


94*2 


106 


119 


134 


151 


162 


176 


1250 


500 


15*7 


•19 6 


24-7 


31-4 


35*3 


39*2 


44*0 


491 


550 


62*8 


70 6 


74 6 


78 5 


87-5 


981 


110 


124 


139 


157 


169 


186 


1 4<X) 


5*60 


17-6 


22*0 


27*7 


35'2 


396 


440 


49*2 


55*0 


61*5 


70'3 


791 


83-5 


879 


986 


111 


123 


138 


156 


176 


189 


204 


I 500 


6*00 


i8*8 


236 


29-7 


37*7 


42*4 


47- 1 


52*8 


58*9 


65 9 


75*4 


84-8 


89-4 


94-2 


106 


118 


132 


148 


167 


188 


202 


218 


• Based on 


density of s 


tecl^7 85gni/cin» 









































CA 



£ 
$ 



IS 1730 : 1989 



Table 6 Standard Nominal Thickness of Strips in mm 
{Clause 6.1 ) 



160 


2-24 


3- 15 


4*50 


8-00 


ISO 


2-50 


365 


500 


1000 


200 


2-80 


400 


600 





Table 7 Standard Nominal Dimensions and Mass of Strip 

( Clause 6.2 ) 



Thickness 
in mm 


160 


1 80 


200 


224 


250 


2-80 


3 15 


355 


4*00 


4*50 


50 


60 


80 


100 


Width 
in inm 














Mui>s* in 


kg/jn 












100 
125 
160 


1-25 
1*57 
2-01 


1-41 

1-77 
2-26 


1-57 
1*96 
2*51 


1-76 

2-20 
2*81 


1-96 

2*45 
3-14 


2-20 
2*74 
3-52 


2'47 
3*08 
3*95 


2-79 
348 
4*46 


314 
3*92 

502 


353 

4*41 
5*65 


3-92 
4*90 
628 


4-71 
5*88 
7-53 


* 6*28 

7*85 
J0*0 


7*85 
9*81 
12*6 


200. 
250 
320 


2-51 
3*14 
402 


2-82 
3-53 
4*52 


3-14 
3*92 
5-02 


3' 52 
4*40 
5*62 


4*90 
6-28 


439 
5-49 
705 


4<>4 
6*17 
7-90 


5' 58 
6*97 
8'92 


628 
7*85 
100 


7*06 
8*83 
11*3 


7*84 
9*80 
12*5 


9*42 
11*8 
15*1 


12*6 

15*7 
200 


15*7 
16*6 
251 


400 
500 
650 


5-02 
6-28 
816 


5*65 
705 
917 


6r28 
7*85 
10*2 


7*04 
8*79 
11*4 


7-85 
9-51 
12-7 


8*78 

no 

14*3 


9*88 
12*4 
161 


ilJ 
13*9 
181 


i2-6 
15*7 

204 


14'1 
17-7 
23*0 


15*7 
19*6 

25*5 


18*8 
236 
306 


25-1 
3!-4 
40-8 


31*4 
39-2 
51*0 


SCO 

950 

1000 


100 


11*3 
13*4 


126 

14-9 
15-7 


141 
16 7 

17*6 


15'7 
18*6 
19*6 


17-6 
20*8 
220 


19-8 
23-5 

24-7 


22' 3 
26*5 
27-9 


251 

29-8 
3P4 


28-3 
336 
35*3 


31*4 
37-3 
39*2 


37-7 

44' 7 
41' I 


50-2 
59-7 
62*8 


62*8 
74*6 

78-5 


1050 
1 150 
1250 


"~ 


,. 


16*5 


18*5 
20*2 


20*6 
22-6 
24-5 


23*3 
25-2 

27*5 


260 
28*4 
309 


29-2 
320 
34*8 


3-VO 
36- 1 
39-2 


37- 1 
40*6 
44*2 


4T2 
45'! 
49*1 


49*5 
54-2 
58*9 


65*9 

72*2 
78-5 


82-4 
90*3 
98*1 


1 300 
1 450 

1 550 


— 


— 


— 


— 


— 


28*6 


32- 1 
35-8 

}S-3 


36*2 
40 4 
43-2 


40*8 
45-5 
4y7 


45*9 
5i-2 

54-7 


5 JO 

56-9 


612 

68'3 

lyo 


816 
91-1 
M.V3 


102 
114 
122 . 


♦Based 


on density orstcci=*7U5 g/cm 


n 





















Table 8 Standard Nominal Thickness of Flats h\ mm 

( Clauses 7.1 and 7.2 ) 



30 


50 


80 


120 


200 


30t) 


40 


6*0 


100 


150 


25*0 


400 



500 



Table 9 Dimensions and Mass of Hot Rolled Steel Flats 

( Clause 7.2 ) 



IS 1730 : 1989 



Width 
min 










Mass' 


\ Icg/m 


for Varying ( mm 


) Thickness 












^3 


4 


5 


6 


8 


10 


12 


15 


20 


25 


30 


40 


1 

50 


10 


0-236 


0-314 


0-393 


0-471 


— 


— 


— 


— 


— 


— 


— 


— . 


— , 


16 


0*377 


0-502 


0*628 


0-754 


100 


110 


1*51 


— 


— 


— 


— 


— 


— 


20 


0471 


0-628 


0-785 


0*942 


V26 


1-57 


V%^ 


2*30 


— 


— 


— 


— 


^ 


25 


0-589 


0-785 


0-981 


118 


1*57 


1*96 


2*36 


2*94 


— 


-^ 


— 


-, 


.- 


30 


707 


0-942 


1-18 


1-41 


r88 


2*36 


2*83 


3*53 


4*71 


— 


— 


— 


— 


35 


0*824 


110 


1-37 


1*65 


2-20 


2-75 


3-30 


412 


5*50 


_ 


— 


-, 


^ 


40 


0-942 


1-26 


1*57 


1*88 


2- 51 


314 


3*77 


4*71 


6'2^ 


7*85 


9*42 


— 


^ 


45 


106 


1-41 


1-77 


2-12 


2-83 


3*53 


4'24 


5*30 


I'Ol 


8*83 


10*6 


— 


— 


50 


118 


1-57 


1*96 


2*36 


314 


3*93 


4*71 


5*89 


7-85 


9-81 


11*8 


— 


— 


60 


1-41 


1-88 


2-36 


2-83 


yii 


4*71 


5*65 


7*07 


9*42 


11*8 


14*1 


18*8 


— 


65 


— 


204 


2*55 


306 


408 


510 


612 


7-65 


10*2 


12*8 


15-3 


20*4 


— 


70 


_ 


2-20 


2-75 


3*30 


4*40 


5*50 


6*59 


8*24 


11*0 


13*7 


16*5 


22*0 


^ 


75- 


— 


2-36 


2-94 


3*53 


4-71 


5*89 


707 


8-83 


11*8 


14-7 


17-7 


23*6 


— 


80 


— 


2-51 


3-14 


3*77 


5-02 


6*28 


7*54 


9*42 


12*6 


15*7 


18*8 


25*1 


31*4 


90 


— 


— 


3*53 


4*24 


5*65 


7-07 


8*48 


10-6 


14-1 


17-7 


21*2 


28*3 


35*3 


100 


— 


— 


3-93 


4-71 


6'28 


7-85 


9*42 


11-8 


15*7 


19*6 


23*6 


31'4 


39*2 


120 


— 


— 


— 


5*65 


7-54 


9*42 


11*3 


14' I 


i8*8 


236 


283 


37-7 


47*1 


130 


— 


— 


— 


612 


8-16 


10*2 


12-2 


15*3 


20*4 


25'6 


30*6 


40-8 


51*2 


140 


— 


— 


— 


6*59 


8*79 


110 


13*2 


16*5 


220 


27*5 


330 


44*0 


550 


150 


— 


— 


— 


7-07 


9*42 


11-8 


14*1 


17-7 


23*6 


29*4 


35-3 


471 


58*9 


160 


— 


— 


— 


— 


10*0 


12*6 


15-1 


18*8 


251 


31-4 


37*7 


50*2 


— 


180 


— 


— 


— 


— 


]r3 


14*1 


J 7-0 


21*2 


28*3 


35*3 


42*4 


5&5 


— ■ 


200 


— 


— 


— 


— 


— 


15-7 


18-8 


23*6 


31*4 


39'2 


47*1 


62*8 


— 


250 


— 


— 


— 


— 


— 


19*6 


23*6 


29-4 


39*2 


49-1 


58-9 


78*5 


— 


300 


— 


— 


— 


— 


— 


— 


28*3 


Z5'^ 


47 1 


58-8 


70*7 


94*2 


- 


400 


— 


— 


— 


— 


~~ 


— 


— 


47*J 


62*8 


78*5 


94*2 


126 


— 


• 


Based on 


density of steel =» 


7*85 gni/cm*. 



















Standard Mark 

The use of the Standard Mark is governed by the provisions of the Bureau of Indian 
Standards Act, 1986 and the Rules and Regulations made thereunder. The Standard Mark on 
products covered by an Indian Standard conveys the assurance that they have been produced 
to comply with the requirements of that standard under a well defined system of inspection^ 
testing and quality control which is devised and supervised by BIS and operated by the 
producer. Standard marked products are also continuously checked by BIS for conformity 
to that standard as a further safeguard. Details of conditions under which a licence for the 
use of the Standard Mark may be granted to manufacturers or producers may be obtained 
from the Bureau of Indian Standards. 



Bareaa of Indian Standards 

BIS is a statutory institution established under the Bureau of Indian Standards Act^ 1986 to promote 
harmonious development of the activities of standardization, marking and quality certification of 
goods and attending to connected matters in the- country. 

Copyright 

BIS has the copyright of all its publications. No part of these publications may be reproduced in 
any form without the prior permission in writing of BIS. This does not preclude the free use, in 
the course of implementing the standard, of necessary details, such as symbols and sizes, type or 
grade designations. Enquiries relating to copyright be addressed to the Director ( Publication ), BIS. 

ReTislon of Indian Standards 

Indian Standards are reviewed periodically and revised, when necessary and amendments, if any, 
are issued from time to time. Users of Indian Standards should ascertain that they are in 
possession of the latest amendments or edition. Comments on this Indian Standard may be sent 
to BIS giving the following reference : 



Doc: No. CED 8 (4720) 



Amendments Issued Since Publication 



Amend No. 



Date of Issue 



Text Affected 



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