Disclosure to Promote the Right To Information

Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, 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 to the public, particularly disadvantaged communities and those engaged in the pursuit of 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.

इंटरनेट मानक

“!ान $ एक न' भारत का +नम-ण”Satyanarayan Gangaram Pitroda

“Invent a New India Using Knowledge”

“प0रा1 को छोड न' 5 तरफ”Jawaharlal Nehru

“Step Out From the Old to the New”

“जान1 का अ+धकार, जी1 का अ+धकार”Mazdoor Kisan Shakti Sangathan

“The Right to Information, The Right to Live”

“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता है”Bhartṛhari—Nītiśatakam

“Knowledge is such a treasure which cannot be stolen”

“Invent a New India Using Knowledge”

है”ह”ह

IS 9295 (1983): Steel tubes for idlers for belt conveyors[MTD 19: Steel Tubes, Pipes abd Fittings]

Gr 3

is : 9295 - 1!J83( Reaffirmed1995)

Indian StandardSPECIFICATION FOR

STEEL TUBES FOR IDLERS FORBELT CONVEYORS

( First Revision)Third Reprint llJLY P)(}7

( IncorporatingAmendmentNo.1)

UDC 621.643,2 [669.14]: 621.867.2tH.051.44

o COIJyr;glrt 1997

II II It I~ A n o FIN 1) 1 A N S Fr ANI) A )( u SMANAK AIIAVAN, 9 BAHAI)lJl~ SIIAII ZAfAR MAR(i

NEW DELI II 110002

MtlY 1983

IS : 9295· 1.3( Reaffirmed J995 )

Indian StandardSPECIFICATION FOR

STEEL TUBES FOR IDLERS FORBELT CONVEYORS

( First Revision)

Steel Tubes, Pipes and Fin ings Sectional :-~ornmittee, SMDC 22

Chairman

~Hftl S. C. DHINlAli.A

RtlITtstnt;ng

Ministry of Industry

Mtmbtrs

SHIH A. S. AOAKW,\J. Steel Tubes of India Ltd, DewasSHill R. S. P.-\THAK ( Alternate)

SHit) K. N. AJtlT,JA Federation of Engineering Industries of Indi ~J

New DelhiSHRI A. S. SHARMA ( A/lernat,)

SHltl S. C. AN \NU Bharat Stet'} 'rubes Ltd, Nf W Dr IhiSHRI R. K..\DROL ( Alternate)

S tilU S. N. nvsu Directorate General of Supplies and Disposals( Inspection Wing ), ~ew n~Jhi

Public Works Department ( Public Health Branch ).Chandigarh

SHRI T. N. UnOVEJA ( Alternat,)SHRI H. S. Bnnr Steel Authority of India Ltd (Rourkf'la

Plant)Slun P. K. MOHAPATIt -\ ( Alternate)

SHRI D. P. Bit \T'I·ACHA\t.l"~E Export Inspection Council, Cak uttaSum S. C. AR'-JRA ( Alt"nat, )

SHlti B. B. Gil \KRAVER1'I Suprinrendence Co of India (P) Ltd, CalcuttaSHltI A. K. SHOMR ( Alt"nat, )

SUIH L. xr. CHAUDJlRl

Stttel

Suur K. K. (;ANOHI ( Alt.,."",,)DErUTY DIllECTOlt STAND_\ltDS Research, Designs and Standards Organization

( Loco) I ( Ministry of Railway! ), Lucknow .CHEMIST A.ND METALI.ui"OIIT-1

( RDSa ) ( Alt,rlZat, )LT-COR GUJtDARSJlAN SINOK Engineer-in-Chief 's Branch, Arn.y Headquarters,

New DelbiS'fRI RA.JENUAR SINGH ( Alllrnat, )

SHBI SU8HIL J..\IN Jain Tube Co Ltd, GhaziabadSURI M. M. LAL ( .,41',rnat, )

( Contirau,4,11 /141,2 )

<c> Copyright 198!BUREAU or INDIAN S1ANDARDS

Thi. publication is protected under the 1.... COD'itlal A~' (XiV of 1957) andreproduction in whole or in part by any mea. except with written, ~rmi.uion or thepublisher mall be deemed to be an inCriJi..".nt of copyright under the said Act.

M.Nr, R,/W,smlitl,S..I S. C. JADr Jindal Pipes Ltd, Gballabad

Snl A. S. SBABMA ( MuntMI )SDI JA8WAWl' SOfa. Dir~ctorate General of Technical Development,

New DelhiS••I S. C. NAOPAL (.4JImwI,)

SRBI OJnr.AB. S. KAXWAB Aaociatioll or Indian Engineerinl Industry, NewDelhi

SRB1 P. R. GUPTA ( A"""'" )S..I H. M. KAt7L Ministry of AgricultureSOl M. C. K_AVA RAO Hindustan Shipyard Ltd, Vilhakhapatnam

aRB' P. L. NARA8111RAJI ( AI,,,.,,.,. )SHal B. KUMAR Stewarts and Lloycis c ~ India Ltd. Calcutta

S..1 T. K. BA811 ( AI,,,.,, )SOl S. KUIIAB Indian Register of Shipping, Bombay

S••I S. CHA.DRA ( Alllntt", )Snl t.t.C. KUJlARA8WAJlY Indian Tube Co Ltd, Jamshedpur

S••I D. DUTTA ( All""'" )5••1 K. MUKBERJBB The Fertilizer ( Planning and Development ) India

Ltd, SindriSHBI R. K. SINHA (,,41'''11411 )

SHal S. Nn:LAKAlfTA. Zenith Steel Pipes 8t Industries Ltd, KhopoJiDa A. R. KaKAB ( ,AI,,,,,.,,)

5••1 V. RATH AM V.LIOHftTY Dharat Heavy Electricals Ltd, TiruchchirappaUi5..1 G. P. SARABHAI Oil and Natural Gal Commission, Debra DUD

5"1 V. K. CJlA.TUaVBDI ( "411",,.', )5... AI-ooavA SHAH Gujarat Steel Tubes Ltd, Ahmadabad

SSRI H. J. THAKEB ( AII.,,,.,, )SDI P. T. SRANlCARAX NATAB Central Boilers Board, New Delhi

SR81 G. S. GosAL ( All"""" )8••1 B. 817BBA RAo Indian Oil Corporation Ltd, Bombay

SB.I P. C. JOBARI (AI,,,,,,,,, )5••1 B. R. TAN'EJ'A The Indian Seamless Metal Tubes Ltd, Bombay

8..1 O. P. KAKKAB ( AI'"ul,)8"1 C. R. RAilA RAO. Director General, lSI ( &-oJieio MIfd,,)

Diftctor ( Struc .. Met) (S«r,t.,.1)

Panel for Drafting Specification for Steel Pipes for Idlers forTroughed Belt Conveyors, SMDC 22 : P26

c.v..5••1 H. J. TRAK" Gujarat Steel Tube. Ltd, Ahmadabad

M",.,sSDI R. K. A.aoL Dharat St.l Tubes Ltd, New Delhi

a"18. c. bAJID ( AI,.,..,,)... I. D. 8. BIIAr,r.A Kaliap Tubel Ltd. Cutt.ck

SD. N. C. Yo.AnY ( .AI",,..,,)

( CMIUe...,.,. II )

2

AMENDMENT NO. 2 NOVEMBER 2006TO

1S 13428 s 2005 pAc~GED NATURAL MINERAL

WATER — SPECIFICATION

. ( SecondRevision)

[P{zge 4, clause S.I(a)] — Substitute the following for the existing:

‘a) Name of the product (that is mtural mineral water);’

(FAD 14)

Reprography Unitj BIS, New Delhi, India

..

AMENDMENT NO. 3 JUNE 2010 TO

IS 9295 : 1983 SPECIFICATION FOR STEEL TUBES FOR IDLERS FOR BELT CONVEYORS

( First Revision )

(Page #, clause 18.1) — Substitute ‘embossed’ for ‘marked’.

(MTD 19)

Reprography Unit, BIS, New Delhi, India

IS: 9295.1_

Indian StandardSPECIFICATION FOR

STEEL TUBES FOR IDLERS FORBELT CONVEYORS

( First Revision )

O. 1" o R E WOk D

0.1 This Indian Standard (First Revision) was adopted by the Indian .Standards Institution on 18 April 1983, after the draft finalized by theSteel Tubes, Pipes and Fittings Sectional Committee had been approvedby the Structural and Metals Division Council.

0.2 Steel tubes are extensively used as idlers for belt conveyors and thestandard covering requirements for the same was first published in 1979.While reviewing the standard, it was felt necessary to issue a revisionincorporating the following salient changes in the light of the experiencegained in usage of the standard by the industry and the users.

a) Amendment No. I, issued in September 1981.

b) Certain additional thicknesses and modifications to the require­ments given earlier for ovality, eccentricity, straightness, toleranceson thickness, fin height, etc.

0.3 For the purpose of deciding whether a particular requirement of thisstandard 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·, The number of significant places retained in therounded off value should 'he the same as that of the specified value inthis standard.

1. SCOPE

1.1 This Itandard coven the requirements for steel tubes for idlen forbelt conveyor.. .

-Rules ror rouDdifta oR' numfrical values ( "vislli).

IS : 9295 • 1983

2. TYPES AND GRADES

2.1 Steel tubes for idlers for belt conveyors shall be of the foJlowing types( based on the process of manufacture and grades ):

Typts Grades

Hot-Finish Seamless ( HFS ) YSt 210, YSt 240 apd YSt 310

Cold-Drawn Seamless ( CDS) YSt 210, vs. 240 and YSt 310

ERW ( including HFIW ) YSt 210, YSt 240 and YSt 310

Non: - The Rrades YSt 210, YSt 240 and YSt 310 correspond to grades 22,25 and 521!>ecified in the original standard.

3. IWPLY OF MATERIAL

3.1 General requirements relating to the supply of steel tubes for idlersfor belt conveyors shall conform to IS : 1387-1967*.

4. DESIGNATION

4.1 Steel tubes are designated by the symbols to indicate the process ofmanufacture, followed by the minimum yield stress in MPa.

5. MATERIAL

5.1 The tube shall be made from the steel manufactured by open hearthbasic oxygen, electric furnace, or any other process approved by thrpurchaser, or a combination of these processes.

6. MANUFACTURE

6.1 Tubes shall be manufactured by one of the following processes:

a) Seamlell_ andb) ERW ( including HFIW ).

&.2 The height of the internal fin value of ERW pipes shall not exceed1·7 mm.

NOTJI - Lower limit of fin height may be.1 agreed to be-tween the manufacturerand the purchuer.

7. CHEMICAL. COMPOSITION

7.1 The ladle analysis of Iteel shall not have more than 0·06 percentsulphur and not more than 0·06 percent phosphorus and .hAn be carried

*General requirement. for the aupply or metaUUflical m.~.ial. (pi' ,.,.,. ).

IS : 9295 • 1983

out either by the method specified in IS : 228· and ita relevant pa~ts orany other established instrumental/chemical method. In case of disputethe procedure given in relevant part er .IS : 22~· s~al1 be th~ refer~emethod. However, where the method 15 not gIven In IS : 228 and Itsrelevant parts, the referee method shall be agreed to between thepurchaser and the manufacturer.

7.2 Check Analysis - When spec~fied on the pur~b~se order, .a checkanalysis shall be made by the supplier. The permissible variation fromthe limits specified in 7.1 shall be as follows:

Constituents P'T""'I MQ¥

PhosphorusSulphur

8. MECHANICAL PROPERTIES

8.0 The following tests shall be carried out.

8.1 Tea.ile Test - This test shall be carried out in accordance withIS: IB94-1972t on one of the following, at the manufacturer's option:

a) A length cut from the end of the selected tube ( the ends beingplugged for grips or flattened where necessary), and

b) A lonqitudinal strip cut from the tube and tested in the curvedcondition.

8.1.1 The tensile strength, the yield stress and the percentage elonga-tion shall be not Jess than those specified in Table 1. ~

TABLE 1 MECHANICAL PROPERTIES

1'UD~ TXN8JL}t: STRENGTH

DESIGNATION MPaMin

HFS 210.·CDS 210/ERW 210 330HFS 240/CDS 240/ERW 240 410

nrs 310/CDS 310/ERW 310 4SO

Yll!LD STl\Ef SMPaMin

210240&10

ILONQATlll!iPERCENT

Mill

2018'I~

8.1.2 The percentage elongation in thil ItalleJard shall be tepOrted

with reference to a gauge length of 5·65 VSo where So is the originalcross sectional area of the telt specimen.

-Method. of chemical an8Iyai••r .t~1a (·ilSUed~iD-1'....u ),tMethods for tensile testing of ifeel tubea (fir,' "IJis".~.

... 92t1-1111

U Drift ......... T... - The test shall be carried out on a piece,of tube approximately 100 mm long, cut from end of each selected tubein accordance with IS: 2335-1963- and the minimum increase in outsidediameter after expansion shall be 2'5 percent, The included angle shallbe 30°, 45°, or ~, at the option of the manufacturer,

NOT1I - The siz.. which are not covered in IS: 2335-1963. shall be tt:biect toall'eement between the purchaser and the manuCacturet,

8.S natte.la. T..t - A ring not less than 50 mm in length, cut fromone end of each selected tube shall be flattened between the two parallelplates in accordance with IS: 2328-1963t with weld at 45°, if any, Noopening shall occur by flattening in the weld, until the distance betweenthe plates is 1... than 75 percent of the original outside diameter of thepipe, No crackJ or brel\,ks in the material shall occur until the distancebetween the plates is less than 60 percent of the original outsidediameter"

I. WEIGHT

t.l The nominal mass and dimensions of black steel tubes shall be asspecified in Table 2,

TA-.a 2 DDI&NSIONI AND NOMINAL M_ZS OF BLACK STEEL TUBES

mm65'S76'188"

101'6108"0lI+'3120'0127'0133'0139'7151'+159'0

'86"III'.

'.'7219"

TXJCKNBN

(2)mm

3·65,4'SO3'~, 4-50.'05, .'85, 6'3040'05, 4'85, 6'304'05, .·as, 6'30+5,5'+,6'34'5,5'4,6'3

, +', 4'85, 5,4, 6'3+5, 40'85, 5'., 6'3+5, +~5, 5'4, 6'34'5, 4'as, 5'40, 6'3+5, +85, 5'., 6'S+5, "'.5, 5'., 6'3'fo5, +85, S'+, 6'35'+, 6'3, 7'15'+, s's. 7'1

MAN(3)

kg/m5'39, 6'55

6'52, 7'958'407, 10'05, 12'839'740, 11'57, H,'81

l0038, 12'340, 15'812'19, 14'SO, 16'7812'82, 15'26, 17'6713'6, 14'61, 16'11), 18'7514"3, 15'33, 16'99, 19'6915'0, -16'13, 17'89, 20'7316'4, 17'65, 19'58, 22'7017'1, 18·... 20'46, 23'7217'8, 19'17, 21'27, 24'6718'2, 19'55, 21'69, 25'1725'1, 29'12, 32'6728'S, 33'06, 37'12

.1IkIIod for tnt CMI ....Itu.....tlhtJlod lot lilt oa tteel t,,_,

II. t2t5 • 191'

9.1.1 Outside diameters and thicknesses other than those coveredunder the standard will be permi.,ible subject to agreement between themanufacturer and the purchaser-

10. HARDNESS TEST

10.1 When hardness values are required. the hardness values sha11 be .1agreed to between the purchaser and the manuCacturer_

11. NUMBER or SAMPLFS POIt MECHANICAL niTS ANDDIMENSIONS

11.1 Mecha.lca. Te.t. - The number or-pipes on which mechanicaltesta shall be performed are al Collow.:

a) Up to and i"clutling 114-30 mm (Jutli. di"""", - One tube (rom alot of 400 tube. or a fraction thereof as presented for inipectioD,and '

b) ON' 114-30 mm ,uuitll dUun,,,, - One pipe from a lot of 200 pipe.or a fraction thereof al presented for inspection_

n.2 01....10•• - One tube from a lot of 100 tubes or fraction thereofAI p....nted (or inspection_

12. aBTEITS •12.1 Should anyone of the test pieces fint selected rail to pu. any of theteats lpeci8ed, two further .amples Ihall be selected for teating in respectof each failure from the .ame lot. Should the toteat pieces from boththeae additional .ample. pa••, the material represented by the test.ample. shall be deemed to cbmply with the requirement of thatparticular telt. Should the teat pieces from either of thete additionaltamplel fail. the material represented by the ted .amp)...hall bedeemed.1 not complying with the.standard or the manufactltrer may .lect totell individually the remaining lengths in the lot for lhe telt failed to-comply in the preceding teats.

1'. TOLERANCES

13.1 Tube. Ihall conform to the followin, tolerancel.

llel.l OD41i4}- It is defined .. OD, Ma - on, Mill and at aDy ODe

.croll .ction IhaH not exceed:

Below 168-' Dim 0-5 mmlacludlnl 168-3 mID aDd above 1-0 IDm

7

III 92t5 • 1983

13.1.2 Eeenatr;cit, - Eccentricity It anyClOSS section, wben aalculated by tbefollowing formula sbailnOt exceed Spe~nt:

'max - 'min2 X , x 100

where'max - maximum thickness,'miD - minimum thickness, andt - specified thickness.

13..1.s Mflll

a) SjDs)e tube ( medium and heavy aeries) shal! have a tolerance of:I:: 10 percent, and

b) For quantities per load of 10 tonnes, Mi" the tolerance shall be:1:7'5 percent ( medium and heavy series ).

NOTB - For the purpol8 01 a minimum weilhment of 10 tonna lot, theweilbment may be dOD. In collvement loti at the option of the manufacturer.

IS-l.t The toleraneel of HFS/ERW tubes Ihall be al under:

HFS/ERW Tolerancesa) Outside diameter :1:0'8 percentb) Thickness *10 percent

13.1.5 The tolerances on CDS tube••hall be as under.

13.1.5.1 Oullia di4mlllr - Where the ratio of outside diameter tothicknea is not greater tha~ S9:1,. the tolerances shall be as shown inTable S.

U.I.5.2 For Ii•• larger than 127·0 mm outside diAmeter, thetolerance shall be ± ( 01)8 mm + 0'05 per 25 mm of outside diameteror part thereof):

lJ.I.5.1 Where ratio of outside diameter to thickness i~ greater thanSS:1 the tolerances shall be as agreed to between the purchaser and themeufactllrer.

U.l.5.4 Tlaitbul - The tolerance on thickne.s shall be .10perceDt.

It.WOUMANlIDPIt-I All tubes ,hall be free from harmful defects, realODably .mooth andfree from rult. tJ.-J-. otherwile lpeci8ed,. end••haD be cut.ICJuare.Surface flDiah .hail be as agreed to befw~ell the ntanufacturer and thepurc:huer.

8

IS I 1295 • I.'

TABLE:I TOLERANCES

All dimeruions in millimetres_

OUT81DE DIAMETER

~----------~----------~Over' Up to and Including

TOLBBA_CB

( I)

25-.38')

51°068-576-188°9

101'6114°3

(2)

25·4­38-151·063-576-188-9

101°6114'3127·0

(3)

±O°I'S.±O-15:to-18±O-20:to-23±O-25:t.0·28±O-Sl±O·S3

15. STRAIGHTNESS·

1~.1 Unless other tolerances are agreed to between the purchaser andth~ manufacturer, tubes shall not deviate from straightness by more thanIII 000 of any length, when measured at the centre of that length, at themanufacturer's works.

16. LENGTH

16.1 The tubes shall be supplied in random lengths of .. to 7 metres,unless otherwise agreed to between the manufacturer and the purchaser.

16.2 Where 'exact' or 'cut length' is specified. it shall be within thetolerance of :. ~ mm,

J7. SURFACE PROTECTION

17.1 Unless otherwise specified, the tube. shalt be supplied withprotective coating by rust preventive oil on the outside surface.

18. MARKING

18.1 Each .tube may be marked with the manufacturer's name or trade­mark.

18.2 Each bundle of tubes shall be marked suitably with the foUowiDi:

a) Type of pipe,b) Grade of material, aDdc) Outside diameter and tbic:luaell.

9

1I.I2I1.1Ia

lL2.1 Each tube may alia be marked with the lSI Certification Mark.

Noa - The Uleof the lSI Certification Mark is governed by the provisions of theIndian Standarda lnatitution (Cenification Marks) Act and thp, Rules and ReIU­latioDi made thereUDder. The lSI Mark on products covered by an Indian Standardconvey. the ..urance that they have beeD produced to comply with the require­meDta or that ltandard under a well-defined system of inspection, testing and qualit \I

control which is deviled and supervised by ISI and operated by the producer. lSImarked pioducu are allO continuously checked by lSI for conformity to thacItandard a. a further Dfepard. Detail. of conditions, under which a licence for the\lie or the lSI Certification Mark may be .ranted to manufacturers or processors.may be obtained from the Jodi. Standard.IDltitution.

10

IS .9295·1_

( c.,.,inutlfrom /141' 2 )

MmaMrs R'Ffs",t;",SRal M. K. V. CKABI McNally Dharat En,ineering Co Ltd, Kumardhubi

SHBt S. K. CSAUDBUBI ( AI,,,,,,,,, )SaRI H. N. FtlTBBALLY Dynacrart Machine Co Ltd, Bombay

SRBI S. K. DRAGO ( AI,,,..,, )SRR. O. S. KANWAR Association or Indian Engineering IndUitrY,

New DelhiSHR) P. R. GUPTA ( Alt,rnat, )

SaRI T. S. KASTURJ Neyveli Lignite Corporation Ltd, NeyveliSHRI M. C. RENOARAJAN ( Alternat' )

SUBJ C. S. Roy Mining & Allied Machinery Corporation Ltd,Durgapur

SHRI S. K. MUXHBRJI ( Alt,rnfJl, ) .SHRJ R. N. SAR Tata Robins Frazer Ltd,Jamshedpur

SRRI V. P. NIJRAWAN ( Alt"fIIll, )SRR1 V. C. SHARMA Indian "rube Co Ltd, Jamsh~dpurSHRI S. SUR . Elecon Engineering Co Ltd, Vidyanagar

SHRJ H. S. NORONHA ( Alt,rnat, )

11

BUREAU OF INDIAN STANDARDS

HeadquartersManak Shavan, 9 Bahadur Shah Zafar Marg NEW DELHI 110002Telephones 3230131,3233375,3239402Fax 91 11 3234062, 91 11 3239399 91 11 3239382

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