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IS : 28 - 1985
( Reaffirmed 2001 )

Indian Standard
SPECIFICATION FOR PHOSPHOR BRONZE INGOTS AND CASTINGS (

Fourth Rer+siorz )
Second Reprint

May 1997

IJDC 669.35’779-412

0 Copy-iglrt

1986

BUREAZJ

OF

INDIAN

STANDARDS

MANAK BIIAVAN,

9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002

Gr 3

August 1986

IS:28 -1985

Indian Standard
SPECIFICATION FOR PHOSPHOR BRONZE INGOTS AND CASTINGS

( Fourth Revision )
Copper and Copper Alloys Sectional Committee, Cha:rman
DR L. R. VAIDYANATE Indian Copper Representing Development

SMDC 11
Centre, Calcutta

h4tmbrrJ SHSI D. DE SA~KAR ( Altrrnatc to Dr L. R. Vaidyanath ) Bralco Metal Industries Pvt Ltd. Bombay SHRI DEV KUYAR AWAKWAL SHHI RAJ KU~AR AWARWAL ( Altnnute ) Ministry of Defence ( DC1 )/DPI (N) SARI BACEITAR SIKWH SERI M. R. ACHARYA (Alternate) National Test House, Calcutta SH~I K. L. BARUI SHRI H. P. DUBEY ( Altnnatr ) Indian Telephone Industries Ltd. Bangalore SHRI J. NAOESH BRATT SEW A. R. SUKUIUARAN ( Akmatr ) Hindustan Cables Ltd, Burdwan SERIC.D. BHATTAOHAR~YA SHRX M. JHA ( Altcmat~ ) Raahtriya Metal Industries Ltd, Bombay SERI BALK~~HNA BINANI DB V. S. PATKAR ( Aftematr ) Hindustan Copper Ltd, Calcutta DR S. K. BISWAS Alcobex Metalr (P) Ltd, Jodhpur PROP A. D. BOHR A SHRI S.D.NARKEADE (Afternutr) NE0 Pipes & Tube Co Ltd, Calcutta SERI P. R. DHAR SHRl A. K. MITRA ( Alt#~t# ) Ministry of Finance ( India Government Mint ), Sn~r H. N. GUPTA Calcutta Bharat Heavy Electricals Ltd SHRI A. V. HARNE SHRI N. MUKEOPADRYAY (Alternate I) SHR1K.N. WADHWA ( Altcrnatr 11) Saru Smelting Pvt Ltd, Meerut SHRI D. P. .JAIN KMA Ltd, Bombay SARI R. P. KESAN SARI A. H. SABHACE.+NDANI ( Altmutc j Vanaa Engineers (P) Ltd, Pune SHRI S. K. KHANDEKAR Directorate General of Supplies & Disposals, New SHRI DIPANKAR KIRTI Dt,lhi ( Continuedan page 2 ) Q Ciqyright 1986

‘I

BUREAU This publication

OF

INDIAN STANDARDS

is protected under the Indian G@righ Act (XIV of 1957) and reproduction in whole or in part by any means except with written permission of tbe publisher shall be deemed to be an infringement of copyright under the raid Act.

IS:28( Gntmued

1985 from puge 1 )
Members Rcprcsenfing
Minerals & Metals Trading Corporation Ltd, New Delhi of India

SHILI R. C. MEHRA

DR A. NAG ( Alternate) Ministry of Defence ( R & D ) SEMI G. R. K. MURTHY SHRI I. N. BEATIA ( AIlrr~tr ) HMT Ltd SIXRI H. S. RAMCHANDRA SERI P. P. CHOPRA ( AIlcrnatc I ) SHKI A. SANTHARAY (Alfcmcfc II ) Snap V. N. VENKATESAN ( Altcmolc III ) Directorate General of Technical Development, SHRI T. RAMASUBRAMANIAN New Delhi SHRI T. R. MORAN RAO ( Alternate ) Bhandary Metallurgical Corporaiion Pvt Ltd, SERI P. S. RAMASWAMY Bombay Indian Non-ferrous Metals SHRI M. K. RAO Manufacturers Association, Bombay Directorate of Workahipa Projects ( Navy ), New SHRI P. B. RAO Delhi SERI K. R. NAIR ( Alfcrnate) Bengal Ingot Co Ltd, Calcutta REPRESENTATIVE Indian Standard Metal Co Ltd, Bombay REP~ESENTATI~E Kamani Tubes Ltd, Bombay REPRESENTATIVE Leader Engineering Works, Jalandhru SRRI D. K. SEH~AL
,‘hRI k’. K. CflOUDHUftY (

Alternate

)

SENIOR CHEMIST & METALLuRQIST, CENT&AL RAILWAY, BOMBAY DEPUTY DIRECTOR ( MET )-II, RDSO, LUCRNoW ( Altcrnutc) SHRI S. C. SIVARAMAKRISHNAN

Ministry of Railways

SHRI J. SRIDRARAN SHRI P. SRIRAX SRRI N. S. SURANA SIIRI RAYAKRISENAN ( Altcmafc) SHRI AJIT R. TELAN~ ( Alfrmafc ) _ Ministry of Defence ( DC1 ) SHRI T. R. TAQORE SHRI P. K. i. P. NIMANKAH ( Altcmair ) Indian Cable Co Ltd, Jamshedpur SRRI TRILO~C SIN~H J. B. Metal Industries Pvt Ltd, Bombay SHRI S. S. VAIDYANATHAN

National Metallurgical Laboratory ( CSIR ), Jamrhedpur Ministry of Steel & Mines, New Delhi Rapsri Engineering Industries Pvt Ltd, Bangalore Multimetals Ltd, Kota

SF~RI K. RA~EAVENDXUN, Director ( Strut & Met )

Director

General,

IS1 ( &-o&e

Mrmln)

Sccrctary SHRI JAOMOHAN SINOH Deputy Director ( Met ), IS1

Cast Copper Convener
SHRI M. K. RAO

and Copper

Alloys Subcommittee,
Metal Distributors

SMDC

11 : 3

Ltd, New Delhi

Manbar Bharat Heavy SXRI VED BIIIJSHAN ARORA SERI M. K. B~QTI ( Altcmutr I ) SERI P. N. RAMCEAND~AN ( Aftcrnutr II ) Electricals Ltd

(chfimdon~g4

10)

2

IS:28 - 1985

Indian Standard
SPECIFICATION FOR PHOSPHOR BRONZE INGOTS AND CASTINGS

( Fourth Revision)
0. FOREWORD
0.1 This Indian Standard ( Fourth Revision) was adopted by the Indian Standards Institution on 22 September 1985, after the draft finalized by the Copper and Copper Alloys Sectional Committee had been approved by the Structural and Metals Division Council. 0.2 This standard was first published in 1950, and subsequently revised three times in 1958, 1969 and 1975. In this revision, the following modifications have been made: a) Grade 5 has been added; b) Clauses for chemical composition, sampling and criteria for conformity c) Clause on inspection size, shape and mass; and have been modified; had been added; and

and test certificate

d) An Appendix ‘A’ containing purchaser has been added.

information

to be given by the

0.3 This standard contains clauses 7.1,9.1, 10.1, 11.0, 11.2,12.1 and 14.1 where the purchaser is allowed to excercise his option and which calls for an agreement between the purchaser and the manufacturer. 0.4 In preparation the manufacturing this field. of this standard, the sectional committee kept in view and trade practices being followed in the country in

0.5 In preparation of this standard assistance has been derived from BS : 1400-l 973 ‘Copper alloy ingots and copper and copper alloy castings’, issued by the British Standards Institution. 0.6 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 3

IS:28

- 1985

The number of significant places retained accordance with IS : 2-1960*. in the rounded off value should be the same as that of the specified value in this standard.

1. SCOPE 1.1 This standard covers the requirements bronze ingots and castings. of 5 grades of phosphor

1.2 This standard, however, does not cover the requirements of material for use in railways. For this purpose, reference may be made to IS : 1458- 1965t. 2. TERMINOLOGY

2.0 For the purpose of this standard,

the following

definition

shall apply. primarily

2.1 Ingor - A cast product in a form suitable for the production of copper and copper alloys.

for remelting

3. SUPPLY OF MATERIAL
3.1 General requirements relating to the supply laid down in IS : 1387-19673. 4. CHEMICAL of materiaI shall be as

COMPOSITION shall have the chemical composition as given in

4.1 The
Table I.

material

4.2 The chemical composition shall be determined either by the method specified in IS : 4027-19679 and its relevant parts or any other established instrumental/chemical method. In case of dispute the procedure specified in IS : 4027- 1967$. 4.3 The manufacturer shall, when required, of his work analysis of the material.
NOTE manufacturer

supply free of charge a copy carried out by the

The work analysis ia defined as the routine analysir in order to control the quality of material.

*Rules for rounding off numerical values ( r&d). tspecification for railway’ bronze ingots and cartings ( rsnissd ). tGenera1 requirement8 for aupply of metallurgical materials (fist iMethod of chemical analysis of bronzer.

ret&ion ) .

4

I8 I 28 - 1985

TABLE

1

CHEMICAL (Cloucr4.1)

COMPOSITION

CONSTITUENT

PEXCENT


Tin Phorphorw Lead zinc Nickel Iron Aluminium Antimony Silicon Total Copper Impurities

----------.---------Grade 1 6+-&O 696.656 0.25 Max 0’50 Max 0.70 Max 0’30 Max 0’01 Max @IO Max 0.02 Max 1.20 Max Remainder

1

Grade 10-OMir 0’50 Min

2

Grade

3

Grade 9441’0

4

Grade

5

6*!%-W5 0’36 Min 29-50 2.0 Max I.0 Mas -

11’0-13-1 0.15 Min 0.50 Max 0’30 Max 0.50 Max 0.15 Max 0.01 Max

0.15 Max 0.25 Max 0.05 Maz 0.25 knx

0.25 Maa 0.05 Max 0.10 Max 0.10 MUX 0.01 Max 0.02 Max 0.60 Maa Remainder

0.02 Max 0.50 Max Remainder 0.80 Ma Remainder 0.20 Mas Remainder

5. MECHANICAL

PROPERTIES with 2.

tested in accordance 5.1 Tenrile Test - The castings, when IS : 2454-1977*, shall have the tensile properties as given in Table 5.2 Forma of Test Rars - The test bars shall be according the appropriate types as described in IS : 1408-1968t. 6. FRACTURE TEST

to one of

6.1 Camting - Casting sample shall be broken purchaser in such a manner that the area of practicable in determining the uniformity of the If the fracture shows segregation or dross metal. other defects, all castings produced from the same

in the presence of fracture is as large as grain structure of the or dirt sports, or any cast shall be rejected.

*Method for tensile testing of copper and copper alloys ( J%J:rroicion ). tRecommended procedure for inspection of copper-base alloy sand castings

(JsrsfwuiIion) . 5

IS : 28 - 1985

TABLE 2

MECHANICAL

PROPERTIES

OF CASTINGS

( CfauJc5.1 )
DESCRIPTION TENSILE STREXQTR Min ELONGATION PERceaT ON GAIJQE LEXOTH QP

5.65 ,//x
MPa Min

Grade

I

Sand cast Chill cmt Continuously Sand cast Chill cast Continuously Sand cast Chill cast Continuously Sand cast Chill cast Continuously

cast

190 205 275 220 310 360 190 220 270 230 270 310 220 270 310

; 8 3 2 7 3 2 5 6 5 9 5 3 5

Grade

2

cast

Grade

3

cast

Grade

4

ca5St

Grade

5

Sand cast Chill cast Continuously cast

6.2 Ingots - The ingot samples selected as specified in 11 shall be broken at the notch to find the nature of fracture. The fracture shall not show segregation, dross, dirt spots or any other harmful defects. 7. PRESSURE TEST

7.1 If the purchaser

required castings to be tested for pressure, this shall The number of tests, the nature of be stated with enquiry and order. the test, test pressure and the testing fluid shall be subject to agreement between the supplier and the purchaser. 8. FREEDOM

FROM

DEFECTS and reasonably free

8.1 Ingots - The ingots shall be of uniform quality from slag, dross and other harmful contaminations. 8.2 Castings - Castings shall be clean, and such as blow holes, gas cavities etc. Castings 6

free from harmful defects, shall not be repaired unless

IS: permission in writing his representative. 9. SIZE, SHAPE has been obtained previously

28-

1985 or

from the purchaser

AND

MASS shall be as agreed to

9.1 Ingots - Size, between the supplier

shape and mass of ingots and the purchaser.

of the casting shall be in accordance 9.2 Castings - The dimensions with the drawing. All surfaces marked for machining shall have sufficient allowance for that purpose but this shall not be too excessive resulting in more machining, and unnecessary increase in the rnass of the casting. 10. MARKING 10.1 The name or trade-mark of the manufacturer and the cast number and grade of the material shall be cast or otherwise legibly marked by stamping on each ingot or casting, by which the manufacturer and the grade of’ the material may be identified. In the case of small castings where it is difficult to cast on or stamp all the details, the marking shall be as agreed to between the purchaser and the supplier. 10.1.1The Mark. material may also be marked with the ISI Certification

NOTE -The use of the IS1 Certification Mark is governed by the provisions of the Indian Standards Institution ( Certification Marks) Act and the Rules and Regulations made thereunder. The IS1 Mark on products covered by an Indian Standard conveys the assurance that they have been ,.rroduced to comply with the requirements of that standard under a well-defined system of inspection, testin and quality control which is devised and supervised by IS1 and operated by the pro d ucer. IS1 marked products are also continuously checked by IS1 for conformity to that Details of conditions under which a licence for the standard as a further safeguard. use of the IS1 Certification Mark may be granted to manufacturers or processors, may be obtained from the Indian Standards Institution.

11. SAMPLING

AND

CRITERIA

FOR

CONFORMITY

11.0 Unless otherwise agreed following sampling procedure

between the purchaser and the supplier the and criteria for conformity shall hold good.

11.1 Lot- In any consignment, ingots/castings of the same grade and same shape (see Table 1 ) manufactured at the same place under similar condition shall be grouped together to constitute a lot. 11.2 Sampling for Chemical Analysis - One sample shall be taken and analysed from each cast of 1 000 kg or part thereof the ingots/ castings. However, in case more frequent chemical analysis is required, 7

IS:28-1985 the same shall be agreed to between the supplier and the purchaser. The sampling for chemical analysis shall be taken by drilling or sawing in such a manner as to be representative of the entire cross section, Drillings and sawings from ingots/castings shall be obtained in accordance with the appropriate procedure specified in IS : 1817-1!!61*. 11.2.1 If the test results of chemical analysis as obtained for each of the constituents satisfy the corresponding requirements, the lot shall be considered as conforming to the chemical requirement of the specification. 11.3 Sampling for Mechanical Properties - Three test bars shall be separately cast alongwith the castings for tensile strength for every 1 000 kg or part thereof the casting. These test bars shall be cast to shape in accordance with 5.2 and Appendix B of IS : 1408-1968t. These test bars shall be of suitable size for turning them to the standard dimensions of the test piece as laid down in IS : 2654-1977:. 11.3.1 Out of three test bars, one bar shall be tested for mechanical test for every 1 000 kg or part thereof ingots castings. If the test results satisfy the requirements of mechanical properties, the lot shall be considered as conforming to the mechanical properties. 11.4 Retest 11.4.1 If the sample drawn for chemical analysis fails to meet the requirements stipulated in the standard, two more tests shall be conducted on the same sample in order to confirm that the analysis has been done properly. If both the test results satisfy the relevant requirements, the lot shall be accepted; and if either of the retest fails, the lot represented shall be deemed as not complying with the standard. i1.4.2 If a test piece fail to meet tensile test requirements specified in the standard, two further test pieces which represent the same cast may be tested in the same manner. If one of the further test pieces meet the requirements of the tensile test, the ingots or castings represented thereby shall be deemed to comply with the standard, otherwise the lot shall be rejected. 12. INSPECTION 12.1 All standard inspection and testing of ingots/castings described in this shall be carried out by the supplier unless otherwise agreed

*Methods of sampling non-ferrous metals for chemical analysis. tRecommended procedure for inspection of copper bare alloy (first rcuision 1. fMethods for tensile testing of coppx and copper alloys (firstratiian

sand
).

castings

8

IS : 28 - 1985 between the purchaser and the supplier, The jnspection requirement shall be stated in the enquiry, order and/or test schedule where applicable. 12.2 The purchaser ,shall notify the supplier when placing the order if it is his intention to inspect the material at the supplier’s works. The supplier shall offer the purchaser all reasonable facilities to satisfy himself that the material is in accordance with this standard. For this purpose the purchaser or his representative may, by prior arrangement, attend to inspect the material, to select and identify that test sample‘s for testing and to witness the test being made. 13. TEST CERTIFICATE

13.1 The supplier shall provide test certificate for each consignment giving information like cast number, relevant chemical composition and mechanical test results. 14. INFORMATION TO BE GIVEN BY THE PURCHASER

14.1 The standard contains a number of clauses in which the purchaser is allowed to excercise an option. The list of information to be given by the purchaser in respect to these clauses is given in Appendix A.

APPENDIX
( Clause 14. ! )
INFORMATION TO BE GIVEN

A

BY THE

PURCHASER at the supplier

A-l. Whether the purchaser wish to inspect the material works ( see 12 and IS : 1387-1967* ). A-2. The alloy grade required. A-3. Whether information is required concerning

the works analysis.

A-4. Dztailed drawings of castings. A-5. In case of ingots whether purchaser and mass of the ingots. A-6. Preparation A-7. Marking prefers any special size, shape

of test piece for tensile testing.

details.

‘General requirements for the aupply of metallurgical materials (first revision).

IS :28 - 1985
( Cbnfinrcd from pap

2 ) Repressntin~ ER

Mmbm CEIEMIST AND MPTALLUBOIBT, Su~1v.K. &iOWDEllJEY Srmr DAVID A. GABBIAL

Ministry ofRailways Leader Engineering Works, Jalandhar Bombay Metala & Alloys Mfg Co Pvr Ltd, Bombay Saw K. S. SATYAXAEAYANA (Ahnate ) KMA Ltd, Bombay SHJII R. P. KE~AN Saab A. H. SABEAOEAXDANI ( Ah~lc ) Indian Smelting & Refining Co Ltd, Bombay Sam G. M. K~IS~NAMUBTHY Indian Standard Metal Co Ltd, Bombay REPRESENTATIVE Bengal Ingot Company Ltd, Calcutta REPREBENTATIVE Ministry of Defence ( DGI ) SEBI S. K. ROY Jamnap Factory Owners Association, Jamnagar SHRI NAQINDAEC. SHAE Rapsri Engineering Industries Pvt Ltd, Bangalore SHBI P. SRIKAM SEBI J. SITAPATI (A&-#)

IO

BUREAU

OF INDIAN STANDARDS

Headquarters Manak Bhavan, 9 Bahadur Shah Zafar Marg, NEW DELHI 110002 Telephones: 323 0131,323 3375,323 9402 Fax : 91 11 3234062, 91 11 3239399, 91 11 3239362 Telegrams : Manaksanstha (Common to all Offices) Central Laboratory : Telephone Plot No. 20/9, Site IV. Sahibabad Industrial Area, Sahibabad 201010 Regional Offices: Central *Eastern 6-77 00 32

: Manak Bhavan, 9 Bahadur Shah Zafar Marg, NEW DELHI 110002 : l/14 CIT Scheme VII M, V.I.P. Road, Maniktola, CALCUTTA 700054
160022

323 76 17 337 66 62 60 38 43 23523 15

Northern : SC0 335-336, Sector 34-A, CHANDIGARH Southern

: C.I.T. Campus, IV Cross Road, CHENNAI 600113

tWestem : Manakalaya, E9, Behind Marol Telephone Exchange, Andheri (East), MUMBAI 400093 Branch Offices:: ‘Pushpak’, Nurmohamed Shaikh Marg, Khanpur, AHMEDABAD SPeenya Industrial Area, 1 st Stage, Bangalore-Tumkur Road, BANGALORE 560056 Gangotri Complex, 5th Floor, Bhadbhada Road, T.T. Nagar, BHOPAL 462003 Plot No. 62-63, Unit VI, Ganga Nagar, BHUBANESHWAR Kalaikathir Buildings, 670 Avinashi Road, COIMBATORE Plot No. 43, Sector 16 A, Mathura Road, FARIDABAD Savitri Complex, 116 G.T. Road, GHAZIABAD 201001 761003 500001 751001 641037 360091

632 92 95

5501346 639 49 55 55 40 21 40 36 27 21 01 41 a-28 66 01 6-71 1996 54 11 37 201063 37 29 25 21 66 76

121001

53i5 Ward No.29, R.G. Barua Road, 5th By-lane, GUWAHATI

5-6-56C, L.N. Gupta Marg, Nampally Station Road, HYDERABAD E-52, Chitaranjan Marg, C- Scheme, JAIPUR 302001 117/416 B, Sarvodaya Nagar, KANPUR 206005 Seth Bhawan, 2nd Floor, LUCKNOW 226001 Behind Leela Cinema, Naval

Kishore

Road,

23 69 23 52 51 71 26 23 05 32 36 35 621 17

NIT Building, Second floor, Gokulpat Market, NAGPUR 440010 Patfiputra Industrial Estate, PATNA 600013 Institution of Engineers (India) Building 1332 Shivaji Nagar, PUNE 411005 T.C. No. 14/l 421, University P. 0. Patayam, lHlRUVANANlliAPURAM 695034

*Sales Dffiie is at 5 Chowringhee Approach, P.O. Princep Street, CALCUTTA 709072 tSafes Office is at Novelty Chambers, Grant Road, MUMBAI 400007 SSafes Office is at ‘F’ Block, Unity Building, Narashimaraja Square, BANGALORE 560002

271065 309 65 26 222 39 71

Reprography Unit, BIS, New Delhi, India

NO. 1 SEPTEMBER 1997 TO IS 28:1985 SPECIFICATION FOR PHOSPHOR BRONZE INGOTS AND CASTINGS AMENDMENT ( Fourlh Revisiim )
(Page 5, Table 1 ) – Substitutethe following for the existing tablrx
Table 1 Chemical Composition ( Clouse 4.1 ) constituent
%rade 1 copper -

Pel-Qent
Grad eT Grade 3

ToM impurities and . alloying

Remainder 1.20Mux

Remainder 0.60 Mm

- @de ? &ade 4 Remainder Remainder Remainder 0.20 Max 0.50M4W 0.80Mz5

elements

Alloying Elements
Tm Phosphoms 6.0-8.0 10.OMbr

Lead zinc Nickel

0.30-0.50 0.2SMax —


0.50 Min —


Imn Atuminium

— —

— —

6.5-8.5 0.30JWJI 2.0-5.0 2.0Mar 1.0Max
— —

9.0-11.0

— — —

11.0-13.1 0.15 Min 0.50M(as 0.30MIm 0.50 Max

0.15Mux 0.01Max

Impurities
Phosphorus Lead zinc Nickel Iron Atuminium Antimony
Siticon

— —
0.50Mm 0.70 Max 0.30 Max



0.01Max

0.25Max 0.05MUX O.10Max O.1OMUX 0.01Max


— — — —

0.15Mas 0.2S Max 0.05Max 0.25Mas — —

— — — — — — 00’2 Max

O.1OMIZX 0.02MIS.K

0.02Mu

(MTD8)
Reprography UrsitBIS,New Dclbi,India

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