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है”ह”ह

IS 10569 (2005): Aluminnium bronze rods, bars and sections[MTD 8: Copper and Copper Alloys]

IS 10569:2005

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( Wa7 yF3wT)

Indian Standard

ALUMINIUM BRONZE RODS,BARS AND SECTIONS — SPECIFICATION

(’First Revision )

Ics 77.150.01

0 BIS 2005

BUREAU OF INDIAN STANDARDSMANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 110002

September 2005 Price Group 2

Copper and Copper Alloys Sectional Committee, MTD 8

FOREWORD

This Indian Standard ( First Revision) was adopted by the Bur3au of Indian Standards, after the draft finalized bythe Copper and Copper Alloys Sectional Committee had been approved by the Metal Iurgical Engineering DivisionCouncil.

The aluminium bronze provide excellent resistance to impingement corrosion and high temperature oxidation.This standard covers six grades of aluminium bronze. The material of Grade CUAI8Fe3 has good strength combinedwith corrosion resistance to atmospheric and water attack. Iron content increases strength and refines the grain.This material is generally used as structural components, machine parts, etc, in industry and nuts, bolts, threadedcomponents as hardware. The material of Grade CUAI 10Fe3 is used for corrosion-resistance parts, marine hardwareand heat application. The materials of Grade CUA110Fe5Ni5 is especially adopted to hot rolled rods, bars forgingsand marine shipping and also used as in the case of Grade CUAI 10Fe3.

The aluminium silicon bronze CUAI 7Si2 is a ductile alloy having improved machinability and impact strength.Silicon improves hot working characteristics. This is an alloy of high strength, good corrosion resistance, wearingresistance and low co-efficient of friction. This alloy is used as marine hardware.

In the aluminium bronze CUAI7Fe3Sn, tin improves resistance of alpha phase bronze to intergranular stress corrosioncracking and to steam attack also. in the aluminium bronze CUAI 10Fe3Mn2, manganese addition stabilizes betaphase in duplex alloy. and thus reduces the tendency of formation of the harmful eutectoid and therefore improvesthe ductility and corrosion resistance. This alloy is widely used in heavy vehicles and aeronautic industries.

In the present revision, following modifications have been made:

a) Requirements of IS 10723: 1983 ‘Specification for aluminium silicon bronze rods and bars’ have beenmerged in this standard.

b) Aluminium silicon bronze has been designated as Grade CUAI 7Si2.

c) Two new Grades CUAI7Fe3Sn, CUAI 10Fe3Mn2 have been added.

d) Limit.of Mn content in CuA110Fe5Ni5 is raised to 0.50 percent, Max.

e) Requirement of certificate is added.

t) Elongation properties are modified and taken on G.L. of 5.65@.

g) Tensile properties are also modified,

A comparison of new and old designation has been given in Annex A for information.

This standard supersedes IS 10723:1983 ‘Specification for aluminium silicon bronze rods and bars’,

For the purpose of deciding whether 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 accordancewith IS 2 : 1960 ‘Rules for rounding off numerical values ( revised)’. The number of significant places retainedin the rounded off value should be the same as that of the specified value in this standard.

IS 10569:2005

Indian Standard

ALUMINIUM BRONZE RODS,BARS AND SECTIONS — SPECIFICATION

(First Revision )1 SCOPE

This standard covers the requirements for aluminiumbronze rods/bars and sections.

2 REFERENCES

The following standards contain provisions whichthrough reference in this text, constitute provisionof this standard. At the time of publication, the editionsindicated were valid. All standards are subject tor~vision and parties to agreements based on thisstandard are encouraged to investigate the possibilityof applying the Imostrecent editions of the standardsindicated below

IS No,

1387:1993

I608:1995

1817:1961

2305:1988

2826:1986

3288

(Part l): 1986

(Part 3):1986

4027:1987

Title

General requirements for the supplyof metallurgical materials ( secondrevision )

Mechanical testing of metals —Tensile testing ( second revision )

Methods of-sampling non-ferrousmetals for chemical .analysis

Method for mercurous nitrate testfor copper and copper alloys (firstrevision )

Dimensions and tolerances forcopper and copper alloy, rods andbars for general engineeringpurposes ( third revision )

Glossary of terms relating to copperand copper alloys

Materials ( third revision )

Wrought forms

Methods of chemical analysis ofbronzes

3 TERMINOLOGY

3.1 For the purpose of this standard, the followingdefinitions and as given in IS 328~ ( Parts 1 and 3 )shall apply.

3.2 Bar/Rods — Any extruded, drawn, cold or hotrolled. forged, cast or combination of any of these

processes of solid product of uniform cross-sectionalong its whole length, supplied in straight length orin coil form, whose width or greatest distance betweenparallel faces is greater than 6 mm.

3.3 Section — A solid product with cross-sectionother than round, hexagonal, square or rectangularsuch as angles or channel supplied in straight lengthor in coiled form.

4 SUPPLY OF MATERIAL

The general requirements relating to the supply ofmaterial shall conform to IS 1387.

5 FREEDOM FROM DEFECTS

The material shall be clean, smooth, free from surfacedefects like blisters, slivers, scales, fins, spills, cracksand internal [y sound free from defects like porosity,piping, etc.

6 D1MENS1ONS AND TOLERANCES

6.1 Sizes

The material shall be supplied in sizes as specified in1S2826 or as required by the purchaser.

6.2 Tolerances

6.2.1 The tolerances on sizes of bars/rods shall beas per IS 2826.

6.2.2 The tolerances for sections shall be as agreedto between the purchaser and the manufacturer andshall be stated in the order.

7 CH.EMICAL COMPOSITION

The material when anaiysed as per IS 4027 or anyother established instrumental/chemical methodshall conform to the requirements as givenin Table 1. In case of dispute, the procedure givenin 1S 4027 shall be the referee method. Howeverwhen the method is not given in 1S4027 the refereemethod shall be as agreed to between the purchaserand the manufacturer.

8 MECHANICAL PROPERTIES

8.1 The material when tested in accordance withIS 1608 shall have the mechanic-al properties asgiven in Table 2.

IS 10569:2005

Table 1 Chemical Composition

( Clause 7 )

Percent

Constituents

(1)

Aluminium

‘iron

Nickel

Manganese

Copper

Tin

Lead

Zinc

Silicon

Magnesium

Total Impurities

CuA17Fe3Sn

(2)

6.Oto 7,5

2.0 to 3.0

0.25 Ah.v

0.25 M(LY

Remainder

0.20 too.50

0.05 Mm

0.10 A4ffx

0.10 M(r.Y

0.05 AIo.Y

0.25 IWI.Y

( excluding

Inangisllcw

and nickel )

“CuA18Fe3

(3)

6.5 to 8.0

2.0 to 3.5

0.50 Max

0.50 Max

Remainder

0.10 Max

0.05 Max

0.40 Max

0.15 Max

0.05 Max

0.50 Max

( excluding

manganese

and zinc )

CuAI10Fe3 CuAl10Fe5Ni5

(4) (5)

8.5 to 10.0 8.5 to I 1.0

4.0 Max 4.0 t{> 6,0

( iron+nickel ) 4.0 to 6.0

0.50 Max 0.50 A4(Ix

Remainder Remainder

0,10 Max 0.1() Max

0.05 Max 0.05 Max

0.40 Max 0.40 Max

0.10 Max 0.10 Max

().05 Max 0.05 Max

0.50 Max 0.50 Alax

( excluding ( excluding

manganese ) Inirngancse )

CuAl10Fe3Mn2 CuA17Si2

(6) (7)

9,0 to I 1.0 6.3 to 7.6

2.0 to 4.0 0.30 Max

1.0 Max 0.25 A!o.Y

1.5 to 3.0 0.10 Afax

Remainder Remainder

0.10 Max 0.20 Ma.Y

0.05 Max 0.05 Max

0.50 Max 0.50 ,Max

0.10 Max 1.5 to 2.2

0.05 Max 0.05 A4a.Y

0.50 Max 0.50 A/ax

( excluding ( excluding iron

nickel ) nickel ;Iml

rnmgimcsc )

Table 2 Mechanical Properties

( Clause 8. I )

Grade

Designation

(1)

CuA17Fe3Sn

CuA18Fe3

CuAl10Fe3

CUAI tOFe5Ni5

CuAl10Fe3Mn2

CuA17Si2

Cross-Sectional

Thickness

.

Over Up to and

Including

(2) (3)

6 15

15 50

50 80

80 and above

6 15

15 50

50 80

80 and above

6 15

15 50

50 80

80 and above

6 15

15 50

50 80

80 m]d above

6 15

15 50

50 80

80 and above

6 15

15 50

50 80

80 and above

Condition

(4)

Annealed/as

manufactured

do

do

do

do

do

do

do

do

do

do

do

do

do

do

do

do

do

do

do

do

do

do

do

Tensile

Strength

MittMPir

(5)

540

520

460

460

540

520

460

460

600”

575

540

51.5

700

7 ()()

6X()

650

625

600”

680

575

620

575

515

485

0.2 Percent

Proof Stress

MinMPa

(6)

240

220

190.

240

220

190.

230

230

205

205

400

400

350

320

275

250

250

Z25

310

290

240

205

Elongation on

Gauge Length5.65ti0

l’c~ccnt

flfin

(7)

25

25

30

30

25

25

30

30

15

25

25

25

I ()

12

12

12

I ()

12

12

15

9

12

12

15

2

8.2 The tensile test shall be made on -test piecesmachined to shape and largest dimensions practicableas specified in IS 1608 from the samples selected inaccordance with 10.3.

8.3 Up to and including 32 mm rods, the centrallongitudinal axis of the test pieces shall be the sameas that of the rods.

8.3.1 In case of rods over 32 mm, the central longitudinalaxis of the test piece shall be at least 16 mm from thenearest face/surface.

8.4 The fractured test piece shall be free from pipe

and other surface defects.

8.5 Should a tensile test piece break outside the middlethird of the gauge length and the elongation percentageobtained be Iowerthan minimum specified, the testmay be discarded and another test made.

9 MERCUROUS NITRATE TEST

9.1 The material shall be subjected to the test asspecified in IS 2305.

9.1.1 The bar/rod .shall not show any sign of crackingwhen subjected to this test.

10 SAMPLING AND CRITERIA FORCONFORMITY

10.1 Unless otherwise agreed to between thepurchaser and the supplier the following samplingprocedure and criteria for conformity shall apply.

10.2 In any consignment, all the material of samegrade, size and temper manufactured from the sameraw material, produced at the same place, shall begrouped together to constitute a lot.

10.3 Material -shall be examined for freedom fromdefects and for tolerances on diameter/dimensions. Any bar/rod/section found defectiveshall be rejected.

10.4 From the material found satisfactory in 10.2one sample shall be selected from each lot or partthereof to provide necessary test pieces for allthe tests ( Chemical analysis, tensile test). Mass ofeach lot vary with the size of material and is givenin Table 3.

10.5 The lot shall be accepted, if the samples testedmeet all the chemical composition and tensileproperties to the specification.

11 RETEST

11.1 If a test result of chemical analysis fails to satisfythe requirements for any of the constituents, two moretests for that constituents shall be done on the samesample in order to confirm that the analysis has been

1S 10569:2005

Table 3 Mass of Lot with the Size of Material

( Clause 10.4)

Specified Size ( Diameter or Width Mass of

Across the Flats of Material Each Lot

‘Over Up to and lncludin~

mm mm kg

(1) (2) (3)

— 12 250

12 40 500

40 — 1000

NOTES

1 When the order does not permit forming lots in the

above quantity the lot size shall be as agreed to

between the -purchaser and the manufacturer.

2 The material required for chemical analysis from

the selected bartrod, sections shall be taken in

accordance with IS 1817.

done properly. If both the test results satisfy therelevant requirements, the lot shall be considered asconforming to this specification, otherwise not.

11.2 If any of the test pieces first selected fails topass the requirements of tensile properties and twofurther samples from the same lot shall be selectedfor testing, one of which shall be from the same pieceof material from which the original sample was taken,unless it is withdrawn by the supplier.

11.2.1 If the test piece from both these additionalsamples pass the lot represented by the test, samplesshatl be deemed to comply with this standard. If thetest piece frotn either of these additional samples fai Ithe lot represented by the test samples shall be rejected.

12 PACKING

The rods/bars/sections shall be supplied in bundlesand strapped with hoops, and shall be suitably packedto avoid damages during transit or as required by thepurchaser.

13 MARKING

13.1 Suitable metallic tags/labels with marking madeon them to show the size of rod/bar/section, grade,temper, lot number, date of manufacture, mass of thematerial in addition to the name of the manufacturer,and any such information required by the purchaser,shall be attached to each bundle of the material.

13.2 BIS Certification Marking

The material may also be marked with the StandardMark.

13.2.1 The use of the Standard Mark is governed bythe provisions of the Bureau of Indian Standurds Act.1986 and the Rules and Regulations made thereunder.

3

IS 10569:2005

The details of the conditions under which the Iicence 14 TEST CERTIFICATEfor the use of Standard Mark may be granted tomanufacturers or producers may be obtained from The supplier shall provide the test certificate for each

the Bureau of Indian Standards. consignment giving information like lot number,corresponding chemical composition and tensileproperties.

ANNEX A

( Foreword)

COMPARISON OF NEW AND OLD DESIGNATIONS

New Design a~ion Old Designation New Designation Old Designation

(1) (2) ([) (2)

CuA17Fe3Sn — CUAI10Fe5Ni5 CuAl10Fe5Ni5

CuA18Fe3 CuA18Fe3 CuAl10Fe3Mn2 —

CUAI10Fe3 CUAI10Fe3 CuA17Si2 1S10723

4

Bureau of Indian Standards

BIS 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 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 formwithout the prior permission in writing of BIS. This does not preclude the free use, in the course of implementingthe standard, of necessary details, such as symbols and sizes, type or grade designations. Enquiries relatingto copyright be addressed to the Director (Publications), BIS.

Review of Indian Standards

Amendments 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 issueof ‘BIS Catalogue’ and ‘Standards : ‘Monthly Additions’.

This Indian Standard has been developed from Doc : No. MTD 8 ( 4601 ).

Amendme-nts Issued Since Publication

Amend No. Date of Issue Text Affected

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