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DOC:STI/360l/3

September 2006

SCHEME OF TESTING AND INSPECTIONFOR CERTIFICATION OF

STEEL TUBES FOR MECHANICAL AND GENERAL ENGG. PURPOSESACCORDING TO IS 3601:2006

1. LABORA TORY - A laboratory shall be maintained which shall be suitably equippedand staffed, where different tests given in the specification shall be carried out in accordance withthe methods given in the specification.

1. I All testing apparatus shall be periodically checked and calibrated records of suchchecks/calibration shall be maintained.

2 TEST RECORDS - All records of tests and inspection shall be kept in suitableforms approved by the Bureau.

2.1 Copies of any records and other connected papers that may be required by the Bureaushall be.made available at any time on request.

3. .QUALITY CONTROL - It is recommended that, as far as possible, Statistical QualityControl (SQC.) methods may be used for controlling the quality of the product during productionas envisaged in this Scheme [See IS 397(Part 1):2003, IS 397(Part 2):2003 and IS 397 (Part3)2003].

3. I In addition, effort should be made to gradually to introduce Quality Management systemsystem in accordance with IS/ISO 9001: 2000

4.0 STANDARD MARK - The Standard Mark, as given in Column(l) of the First Schedulethe First Schedule of the licence, shall be applied at a suitable place on the outside of each tubeprovided always that the tubes so marked conform to all the requirements of the specification,Pipes below 50mm NB shall be marked by using transfix labels and pipes above 50mm NB byeither Llsingtransfix labels or by stenciling.

. 4.1 The symbol 'GEN' to be stamped/embossed on each tube for Mechanical and GeneralEngineering Purposes at a regular interval on the pipe. :\1

41 MARKING - In addition the following information shall be included in thelabel attached to each bundle or stenciled on the tube.

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(a) The type and grade of the tubes;(b) Name of the manufacturer or trade mark, if any;(c) Size;(d) Length of the tube;(e) Type of surface coating if any;(f) Identification mark in code or otherwise to enable the date arid lot of manufacture

to be traced back to factory records; and(g) 'Made in India', if required(h) Licence No. (CM/L )

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5.0 LEVELS OF CONTROL - The tests, as indicated in Table I attached and at the levelsof control specified therein, shall be carried out on the whole production of the factory which iscovered by this scheme and appropriate records and charts maintained in accordance withparagraph 2.0 above. All the production which conforms to the Indian Standards and covered bythe licence shall be marked with certification mark of the Bureau.

5. I The dimensions of the steel tubes of particular type and grade shall be checked as perrelevant clause and table given in IS 3601:2006 with suitable gauges.

52 On the basis of tests and analysis results, decision will be taken regarding conformity orotherwise ofthe lot as a whole with the requirements of the specification as given in Table 1.

5.3 In respect of all other clauses of the specification the factory shall maintainappropriate control and checks to ensure that their product conforms to the various requirementsof this specification.

6.0 REJECTIONS - A separaterecordshallbe maintainedgivinginfonnationrelatingto the rejection of the production not confoffiling to the requirements of the specification and themethod of its disposal. Such material shall in no circumstances be stored together with thoseconforming to the specification.

7.0 SAMPLES - The licensee shall supply, free of charge, the samples required inaccordance with the Bureau of Indian Standards (Certification) Regulations, 1988, assubsequently amended, from the factory or godowns. The Bureau shall pay for the samples takenby it from the open market.

8.0 REPLACEMENT - Whenever a complaint is received soon after the goods withStandard marks have been purchased and used, and if there is adequate evidence that the goodshave not been misused, defective goods are replaced free of cost by the licensee incase thecomplaint is proved to be genuine and the warranty period (where applicable) has not expired.Thc final authority to judge the conformity of the product to the Indian Standard shall be with theBureau. The firm shall have own complaint investigation system as per IS 15400.

8.1 In the event of any damages caused by the goods bearing the standard Marks, or claimbeing filed by the consumers against BIS Standard mark and not" conforming to" the relevantIndian Standard, entire liability arising out of such non conforming product shall be of licenseeand BIS shall not in any way be responsible in such cases.

9.0 STOP MARKING - The marking of the product shall be stopped under intimation tothe Bureau if, at any time, there is some difficulty in maintaining the conformity of their productto the specification, or the testing equipment goes out of order. The marking may be resumed assoon as the defects are removed under intimation to Bureau.

9.1 The marking of the product shall be stopped immediately if directed to do so by Bureaufor any reason. The marking may then be resumed only after permission by the Bureau. Theinformation regarding resumption of marking shall also be sent to the Bureau.

10.0 PRODUCTION DATA -The licensee shall send to BIS as per the enclosedproforma- I to be authenticated by a Chartered Accountant ~ statement of quantityproduced, marked and exported by him and the trade value thereof at the end of each operativeyear of the licence.

Table 1.

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September 2006

IS 3601:2006STEEL TUBES FOR GENERAL AND MECHANICAL ENGG. PURPOSES

TABLE 1 LEVELS OF CONTROL(Para 5 of the Scheme of Testing and Inspection)

3 ....

TEST DETAILS LEVELS OF CONTROLSr. Requirement Test Methods No. of Lot Frequency RemarksNo. Clause Reference samples Size

4. IS 3601 i) If the material IS

Relevant parts supplied with ISI mark jofIS 228

Each or accompanied by a

1.Chemical

Onetest certificate glvmg

Composition conslgnmeresult of ladle analysis,ntno testing is required tobe done.

2. Workmanship 6 IS 3601 One3. Straightness 8 -do- Each tube -do- -do-

11 IS 3601 & IS Production

Surface2633 of one size

This optional4. -do- -do- type andIS an

protectiongrade in

requirement.

one shift

5. Tensile test IS 3601 & ISOne -do-13.1 1608

13.2 IS 3601 One hour's In case the sample fails,IS 2328 productions in anyone or more of

6. Flattening test One of one size the test specified twotype and further samples shall begrade. drawn and tested for

13.3 IS 3601 -do- that requirement.

One hour'sIf both the repeat

productionssamples pass the tubes

Bend test shall be accepted. In7.

(strip)of one size case of failure of eithertype and of the sample tubesgrade.

represented by thesetest pieces shall not be

8.Bend test 13.4 -do-

-do- -do-marked.

(whole tube) IS 23299. Crushing test 13.5 IS 3601 One -do-

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DOC:STI/360l/3September 2006

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IS 3601:2006STEEL TUBES FOR GENERAL AND MECHANICAL ENGG. PURPOSES

TABLE 1 LEVELS OF CONTROL(Para 5 of the Scheme of Testing and Inspection)

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TEST DETAILS LEVELS OF CONTROLSI. Requirement Test Methods No. of Lot Frequency RemarksNo. Clause Reference samples Size

Drift expansion13.6 IS 3601 & -do-

-do-lO. IS 2335 Onetest

11. Length 9 IS 3601 One -do- In case of10 IS 3601 failure all the

tubes shall bechecked and

12. Dimensions One -do- only thosetubes found

. conformingshall beMarked.

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PERFORMA - 1

PROFORMA FOR OBTAINING PRODUCTION DETAILS

Penod covered

Name of Licensee

CM/L No.

Name of Articles (s)

GradelT ype/Size/V ariety IClass/RatingIS No.

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1.1Brand/Trade/Name(s) of BIS Certification Marked Products

2.0Total production of the articles(s)licensed for certification marking

21Total production of the article(s)conforming to Indian Standard

3.0 Production covered with BISCertification Mark and itsvalue

a) Quantity

b) Value (Rs.)

31Brand Name used on production covered under BIS Certification Mark

3.2Calculation of marking fee on unit-rate basis; Marking Fee per unit

a) Unit

b) Quantity covered with BIS Certification Mark

c)Marking fee rounded off in whole mpees as obtained by applying unit rates given

in (a) on quantity given in (b)

Note: Incase a clause is not applicable, suitable remarks may be given against it.

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4.0

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Quantity not covered with BIS Certification Mark If any, and the reasons forsuch non-coverage

Brand Name under with non certified goods were sold

Quantity Exported with BIS Standard Mark and its value

Brand Name under which BIS Certified goods are exported

Authentication by Chartered Accountant or by the manufacturerby giving an affidavit/undertaking

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