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Disclosure to Promote the Right To Information

Whereas the Parliament of India has set out to provide a practical regime of right to

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IS 1387 (1993): General requirments for the supply of

metallurgical materials [MTD 4: Wrought Steel Products]

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IS 1387 : 1993

I ndi ai z St andardGENERALREQUTREMENTSFOR

THESUPPLYOFMETALLURGICALMATEKIALS( Second Rev i si on

Third Reprint JANUARY 1998

UDC 669.015:381.717

0 BIS 1993BUREAU OF INDIAN STANDARDSMANAK BHAVAM, 9 BAHADUR SHAH ZAFAR MARC3

( Reaffirmed 2003 )

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General Metallurgical Standards Sectional Committee, MTD 1

FOREWORDThis Indian Standard ( Second Revision ) was adopted by the Bureau of Indian Standards, after thedraft finalized by the General Metallurgical Standards Sectional Committee had been approved by theMetallurgical Engineering Division Council.This standard was first published in 1959 and revised in 1967 in order to unify certain clauses coveringthe general requirements for the supply of m,etallurgical material as given in Indian Standard specifica-tions. Since the publication of this standard, it has been a general practice to make reference to thisstandard in the material specifications where the provision of this standard would be applicable. Thispractice has considerably simplified the presentation of specifications for metals and metal products.It has also been possible for individual purchasers and inspecting authorities to establish such provisionsas may suit their special needs and to use them instead of, or as supplement to, this standard.It was felt that the original title of the specification made reference only to metals and metal productsand as such doubts were expressed while making reference to this standard in specifications relating toraw materials, such as refractory materials, ferro-alloys, metallurgical coke and foundry raw materials.Therefore, it was decided to change the title and scope of this standard to cover metallurgicalmaterials including raw materials and finished products.For the purpose of deciding whether a particular requirement of this standard is complied with, the finalvalue, observed or calculated, expressing the result of a test or analysis, shall be rounded off in accor-dance with IS 2 : 1960 Rules for rounding off numerical values ( revised). The number of significantplaces retained in the rounded off value should be the same as that of the specified value in thisstandard.

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I ndian St andardGENERAL REQUIREMENTS FORTHE SUPPLY OF METALLURGICAL MATERIALS

( Second Rev i si on1 SCOPE 2.6 Statement of Compliance with the Order -1.1 This standard covers the general require- Document in which the supplier states that thements For the supply of metallurgical materials material supplied is in compliance with theincluding materials for metallurgical requirements of the order, without mention ofrawindustries and finished metal products conform- any test result.ing to Indian Standard specifications. If 2.7 Test Certificate, TCconsidered acceptable by the parties concerned, - Certificate contain-this standard may be used in part or full for the ing the results of all the tests specified. Bysupply of other materials or produdts.

agreement when ordering, the inspection andtesting procedures may be carried out: at the

1.2 This standard does not cover all the other discretion of the purchaser:provisions relating to a contract which should a) by the qualified department (see Note )be separately agreed between the contracting of the manufacturers works ( TC );parties.2 TERMINOLOGY2.0 For the purpose of this standard, thefollowing definitions shall apply.2.1 Supplier-The party supplying the material.The supplier may or may not be the actualmanufacturer of the material. The term suppliershall also cover any party with whom thesupplier places order for partial compliance.2.2 Purchaser - The party purchasing thematerial. The term purchaser shall also coverperson expressly authorised in writing by thepurchaser to act on his behalf for inspection ofthe material.2.3 Material Specification - Unless otherwisestated, this term shall have reference to theIndian Standard Specification which forms thebasis of the contract for the supply of material.2.4 Inprocess Inspection and Testing - Inspec-tion and testing carried out by the manufacturerin accordance with his own procedures, onrepresentative test samples of the batch actuallysupplied to the purchaser.2.5 Inspection and Testing for Certification -Inspection and testing carried out on the testbatch ( test lot ) to be supplied, in order toverify whether the material complies with therequirements of the order.

b) in the presence of the purchaser or abody designated by him ( TCP ).The test certificate is signed in case (a) by therepresentative of the qualified department, andin case (b) by the purchaser or the representativeof the designated body as well as by therepresentatfve of qualified department ofmanufacturer.In certain special cases, by agreement whenordering, the inspection and testing proceduresmay be carried out outside the ptoductionworks by a body independent of the purchaserand the manufacturer. In that case, the testcertificate shall be signed by the representativeof that body.

NOTE - Qualified department : An inspection andresting department independent of the productiondepartment.In certain cases, this department may be subjectto approval by the purchaser.2.8 Material Sample -- A sample is a materialsubmitted to the purchaser for testing beforeapproval is given for production.3 TECHNICAL DELIVERY CONDITION TOBE SPECIFIED BY THE PURCHASER3.1 The enquiry and order shall include theparticulars given in 3.1.1 to 3.1.4.3.1.1 The details of material to be supplied.3.1.2 The materials standard and gride.

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I@1387:19933.1.3he type of document required for inspec-tion and testing ( see Table 1 and 5 ).3.1.4 Size of a test batch ( test lot ) ( see 5.2 .3.2Where appropriate, the enquiry and ordershall include additional information, forexample, that listed in 3.2.1 to 3.2.6.3.2.1 Where a material sample is required.3.2.2 Procedures for marking, in accordancewith 9 and machixiing, protection, packaging,loading, dispatching and the destination.3.2.3 Methods of statistical control to be used( if any ).

5 INSPECTION AND SAMPLING5.1 GeneralThe procedures shall be examined in accordancewith the requirements of suitable qualityassurance system, arranged by the manufacturer,and drawn up to ensure compliance with thespecified requirements. Various types bf inspec-tion and testing may be carried out and these,together with the type of document required,are given in Table 1. Inspection proceduresshall conform to Annex A.

3.2.4 The welding operation to be used.3.2.5 Other options in the standard.3.2.6 Any supplementary requirements notcovered by the standard including past historyof the material.

5.2 Formation of Test Batches ( Test Lots )The method of forming test batches ( test lots )shall be stated in the TDC and shall bedetermined by the type and production proce-dures ( see relevant material standard ).5.3 Test Samples

3.2.7 Contents of test certificate.3.2.8 Any deviation in above as mutualy agreedbetween the purchaser and supplier.3.2.9 Document containing above informationis ter.med as TDC document.

Test samples appropriate for the type of materialshall have the dimensions specified in thematerial standard and test pieces shall conformto the requirements of the material standard.6 TEST METHODS

4 MANUFACTURING PROCESSUnless otherwise specified the choice of themanufacturing processes are left to the discre-tion of the manufacturer.

When required by the specification or at the timeof order determination of chemical composition,microscopic examination or mechanical testsshall be carried out in accordance with thematerial standard. The relevant Indian Staudardtest method shall be used. Other test methodmay be agreed upon at the time of order, whereno appropriate Indian Standard exists.

Table 1 Type of Document Required for Various Types of Inspection and Testing(Chses 3.1.3 and 5.1 )

Type of Inspection and TestingIO process inspection and testing

Type of DocomeotNO document or statement of complianceor Test Report

Symbol

Inspection and testing for certificationcarried out by the qualified depart-merit) of the manufacturers factoryTest certificate signed by the represen-tative of the qualified department of theworks

TC

Inspection and testing for certificationcarried out in the presence of thepurchaser or of a body named byhimTest certificate signed by the purchaser orthe representative of the body namedby him, as well as by qualified depart-ment of manufacturer

TCP

Inspection and testing certificationcarried out by an independent body,the tests being carried out outside theproduction worksContinuous inspectionISee Note under 2.7.

Test certificate signed by the independentbody

By agreement between the interestedparties

TCI

-

2

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IS 1387 19937 RETESTSRetests shall be carried out as specified in thematerial standard and as agreed at the time oforder.

8.2 Check AnalysisA check analysis may be made by the purchaseron test samples or test uieces which representeach cast, batch or casting. The number ofsamples shall be agreed between the purchaserand manufacturer.9 MARKINGMarking on the supply shall contain thecomplete informatlon as per the relevantmaterial standard and as agreed between thesupplier and purchaser.

8. CHEMICAL ANALYSIS8.1 Samples for chemical analysis, if specifiedin the material standard, shall be obtainedeither from the test sample or, more generallyfrom the cast. The sample shall be sufficient toallow three determinations.

ANNEX A( Clause .1 )

GENERAL CONDITIONS FOR SPECIFIC INSPECTIONS AND TESTSA-l INSPECTION CONDITIONSA-l.1 Places of InspectionInspection should be carried out as per themutual agreement between the supplier andpurchaser either at manufacturers works or atpurchasers premises or both.The selection of samples, the preparation oftest pieces and the tests themselves shall becarried out, in the manufacturers works and/orat purchasers premises as per the mutualagreement between purchaser and supplier. Theword sample covers, according to the type oftest carried out, jhe test sample or a materialrepresentative of the material delivered.Where the works of the manufacturer does nothave the necessary means, the inspection shallbe carried out at any other place agreed tobetween the supplier and purchaser preferablyin the country of the manufacturer.A-l.2 Submission for InspectionThe manufacturer shall arrange with thepurchaser, by mutual agreement the date ofsubmission for inspection.If the representative does not present himself atthe agreed date, the manufacturer, in order toavoid interruption of the manufacturing cycle,may himself carry out the inspection and deliverthe test certificate to the purchaser, unlessexpressly prohibited.A-l.3 Rights and Duties of the InspectionRepreseotativeThe inspection representative shall have accessduring normal production hours to the placesin which the materials to be inspected are

manufactured and stored. He may indicate thesamples to be selected in accordance with theTDC. He shall have the option of attending theselection of samples, the preparation ( machin-ing and treatment ) of the test pieces andcarrying out the tests. The representative whovisits the workshops for inspection shall respectall the safety regulations in force in the worksand shall be accompanied, wherever possible, bya representative of the manufacturer.A-1.4 Conditions of AcceptanceIf all the requirements of the order, and thisIndian Standard, are fulfilled, the test batch isconsidered to conform and is accepted- by .thepurchaser.

NOTE -This does not invalidate the purchasersright to question within an agreed time limit, theconformity of the batch to the specification.A-2 ROUNDING OFF OF TEST RESULTSThe results of the physical, mechanical, chemi-cal tests and measurements shall be rounded offusing either the rules specified in the standardson methods of tests or, when the value obtainedcontains a greater number of significant figuresthan the guaranteed value, the generally accep-ted rules for rounding off shall apply.A-3 RECORDSUnless otherwise specified in the order, themanufacturer shall maintain records of results ofall the tests required by the specification for aminimum period of 3 years.A-4 VALIDITY OF THE DEFECTIVE TESTPIECESIn all cases, a new test piece may be taken fromthe same test sample or from another test

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19 1387 1993sample belonging to the same test batch and the b) defective casting or machining of theresults obtained can be substituted for thosecorresponding to the defective test piece. piece :c) fracture of the test piece beyond

restthe

A-5 VALSIMTY OF TESTSThe results of a test may be discarded due toany of the following reasons:

gauge marlcs;d) casting defects in the test piece, evidentafter fracture.

a) faulty mounting of the test piece or It should be emphasized that every test shoulddefective operation of the test machine; be conducted with due care in regard to sampleselection, preparation and test procedures.

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Bureau of Indian StandardsBIS is a statutory institution established under the Bureau of Indian Standards Act, 1986 to promoteharmonious development of the activities of standardization, marking and quality certification of goods andattending to connected matters in the country.CopyrightBIS has the copyright of all its publications. No part of these publications may be reproduced in any formwithout the prior permission in writing of BIS. This does not preclude the free use, in the course ofimplementing 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.Review of Indian StandardsAmendments are issued to standards as the need arises on the basis of comments. Standards are also reviewedperiodically; a standard along with amendments is reaffirmed when such review indicates that no changes areneeded; if the review indicates that changes are needed, it is taken up for revision. Users of Indian Standardsshould ascertain that they are in possession of the latest amendments or edition by referring to the latest issueofBIS Handbook and Standards Monthly Additions.This Indian Standard has been developed from Dot: No. MTD 1 ( 3790 )

Amendments Issued Since PublicationAmend No. Date of Issue Text Affected

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