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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 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-णSatyanarayan Gangaram Pitroda “Invent a New India Using Knowledge” प0रा1 को छोड न’ 5 तरफJawaharlal Nehru “Step Out From the Old to the New” जान1 का अ+धकार, जी1 का अ+धकारMazdoor Kisan Shakti Sangathan “The Right to Information, The Right to Live” !ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता ह Bharthari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS 13054 (1991): Quartzite/quartz for the production of ferroalloys [MTD 13: Ores and Raw Materials]
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IS 13054 (1991): Quartzite/quartz for the production …Quartzite is a major raw material in the smelting of ferrosilicon, silicon metal and silicomanganese. A need was, therefore

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Page 1: IS 13054 (1991): Quartzite/quartz for the production …Quartzite is a major raw material in the smelting of ferrosilicon, silicon metal and silicomanganese. A need was, therefore

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 13054 (1991): Quartzite/quartz for the production offerroalloys [MTD 13: Ores and Raw Materials]

Page 2: IS 13054 (1991): Quartzite/quartz for the production …Quartzite is a major raw material in the smelting of ferrosilicon, silicon metal and silicomanganese. A need was, therefore
Page 3: IS 13054 (1991): Quartzite/quartz for the production …Quartzite is a major raw material in the smelting of ferrosilicon, silicon metal and silicomanganese. A need was, therefore
Page 4: IS 13054 (1991): Quartzite/quartz for the production …Quartzite is a major raw material in the smelting of ferrosilicon, silicon metal and silicomanganese. A need was, therefore

Indian StandardQIJARTZITE/QUARTZ FOR THE PRODUCTION

OF FERROALLOYS — SPECIFICATION

UDC 553’546:669’168

@ MS 1991

BUREAU OF INDIAN STANDARDSMANAK BHAVAN, 9 BAHADtJR SHAH ZAFAR MARG

NEW DELHI 110002‘way 1991 Price Group 1

Page 5: IS 13054 (1991): Quartzite/quartz for the production …Quartzite is a major raw material in the smelting of ferrosilicon, silicon metal and silicomanganese. A need was, therefore

Ores and Raw Material Sectional Committee, MTD 13

FOREWORD

This Indian Standard was adopted by the Bureau of Indian Standards, after the draft finalized by the Ores and Raw Materials Sectional Committee had been approved by the Metallurgical Engineering Division Council.

Quartzite is a major raw material in the smelting of ferrosilicon, silicon metal and silicomanganese. A need was, therefore felt to prepare an Indian Standard for quartzite for use in submerged are furnace.

Impurities such as alumina has been restricted to allow for contribution from the reductants. Thermal stability and mechanical strength have been considered important physical properties to ensure good permeability of the charge column inside the submerged arc furnace for greater safety and smelting efficiency.

No marking clause has been included in this standard since quartzite is supplied loose.

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

Page 6: IS 13054 (1991): Quartzite/quartz for the production …Quartzite is a major raw material in the smelting of ferrosilicon, silicon metal and silicomanganese. A need was, therefore

IS 13054 : 1991

Indian Standard QUARTZITE/QUARTZ FOR THEPRODUCTION

OF FERROALLOYS-SPECIFICATION .

1 SCOPE non-friable material with size range as follows:

This standard covers the requirement of quartzite suitable for the production of ferrosilicon.

10 to 150 mm 3 150 -10 mm,m

10 percent, Max 5 percent, Max

2 REFERENCE

The following Indian Standards are necessary adjuncts to this standard:

IS No.

1387 : 1967

1917 : 1962

2245 : 1962

6495 : I 984

Tide

General requirements for the supply of metallurgical materials

Methods of chemical analysis of quartzite and high silica sand

Methods of sampling quartzite

Method of tumbler test for iron oxides : lump ores, sinter and pellets (first revision )

4.2.2 Thermal stability is characterised by the proportion of + 19 mm in a 200 g sample of - 25 + 19 mm size fraction which has been subjected to heating at I 300°C for one hour and cooling to room temperature. Description should not generate excessive fines. Accordingly, the quartzite shall satisfy the following:

+ 19 mm above 55 percent - 5 mm below 5 percent

4.2.3 Mechanical strength after heating and cooling, as in 4.2.2, is characterised by the pro- portion of + 5 mm after tumbling ( 100 revolu- tions in 2’5 minutes ). The tumbling test may be done in accordance with IS 6495 : 1984. Accor- dingly, quartzite shall satisfy the following.

3 SUPPLY OF RAW MATERIALS

General requirement relating to the supply of different grades of quartzite for ferrosilicon smelting shall be as laid down in IS 1387 : 1967.

4 CHEMICAL AND PHYSICAL REQUIREMENT

+ 5 mm above 90 percent.

4.3 Any deviation from the norms in 4.1 and 4.2 may be mutually agreed between the purchaser and the supplier.

5 SAMPLING

4.1 Chemical Requirement

The representative samples of quartzite shall be drawn according to scheme of sampling given in IS 2245 : 1962.

The material when tested either in accordance with IS 1917 : 1962 or any other established instrumental/chemical method shall comply with the requirements given in Table 1. In case of dis- pute the procedure given in the latest version of IS 19 17 : 1962 for chemical analysis shall be the ‘Referee Method’.

6 CRITERIA FOR CONFORMITY

6.1 For Individual Samples/Laboratory Samples

The mean and the range of test results shall be computed as follows :

Mean ( p ) = Sum of individual test results Number of test results

Table 1 Chemical Composiiioo for Quart&e/Quartz

Grade Constituent, Percent r------ A_-_-___

SiO2 A1203 Other Oxid

Min Max Max

: E’ 0’1 0’25 8%

3 98 0’60 1’4

NOTE - Upper limit of Si02 and other constituents may be mutually agreed by the supplier and the purchaser.

Range ( k ) = Difference between the maxi- mum and minimum values of test results.

4.2 Physical Requirement

4.2.1 Quartzite shall be lumpy, free from dirt and other foreign matter and shall be hard, dense and

For declaring conformity of the lot:

? + 0’6 R’shall be less than or equal to the maximum specified requirements

or

P - 0’6 R’ shall be greater than or equal to the minimum specified requirements.

6.2 For Composite Samples

For declaring the conformity of the lot to the requirements of characteristics tested on the composite sam..Le, the test cesul..~ s?&.~~sakX~ the corresponding specified requirements.

1

Page 7: IS 13054 (1991): Quartzite/quartz for the production …Quartzite is a major raw material in the smelting of ferrosilicon, silicon metal and silicomanganese. A need was, therefore

-.-_.’

I I I Standard Mark

I

The use of the Standard Mark is governed by the provisions of the Bureau of Indian Standards Act, 1985 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 safe- guard. Details of conditions under which a liccncc for the use of the Standard Mark may be granted to manufacturers or producers may be obtained from the Bureau of Indian Standards.

Page 8: IS 13054 (1991): Quartzite/quartz for the production …Quartzite is a major raw material in the smelting of ferrosilicon, silicon metal and silicomanganese. A need was, therefore

Burenu of Indian Standards

BIS is a statutory institution established under the Bureau oj 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 ( Publications 1, BIS.

Revision 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:

Dot : No. MTD 13 ( 3664 1

Ameodments Issued Since Publication

Amend No. Date of Issue Text Affected

BUREAU OF INDIAN STANDARDS

Headquarters:

Manak Bhavan, 9 Bahadur Shah Zafar Marg, New Delhi 110002 Telephones : 331 01 31, 331 13 75 Telegrams : Manaksanstha

( Common to all Ofices j

Regional Offices:

Central : Manak Bhavan, 9 Bahadur Shah Zafar Marg NEW DELHI 110002 i 331 331 01 13 31 75

Eastern : 1114 C.I.T. Scheme VII M, V.I.P. Road, Maniktola 37 86 62 CALCUTTA 700054

Northern : SC0 445-446, Sector 35-C CHANDIGARH 160036 53 38 43

Southern : C.I.T. Campus, IV Cross Road, MADRAS 600113 41 29 16

Western : Manakalaya, E9 MIDC, Marol, Andheri ( East ) BOMBAY 400093 6 32 92 95

Branches : AHMADABAD. BANGALORE. BHOPAL. BHUBANESHWAR. COIMBATORE. FARIDABAD. GHAZIABAD. GUWAHATI. HYDERABAD. JAIPUR. KANPUR. PATNA. THIRUVANANTHAPURAM.

Printed at Progressive Printers. Shahdra, Delhi. India