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AS 1167.1—1993

Australian Standard

Welding and brazing—Filler metals

Part 1: Filler metal for brazing andbraze welding

[Defence Title allocated by Codification and Standardisation Authority:BRAZING ALLOYS (ALUMINIUM, COPPER, COPPER-PHOSPHORUS, SILVER)NATO Supply Classification 3439]

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This Australian Standard was prepared by Committee WD/2, Welding Consumables.It was approved on behalf of the Council of Standards Australia on 15 February 1993and published on 17 May 1993.

The following interests are represented on Committee WD/2:

Australian Chamber of Commerce and Industry

Australian Institute of Steel Construction

Bureau of Steel Manufacturers of Australia

Division of Manufacturing and Technology, CSIRO

Lloyd’s Register of Shipping

Metal Trades Industry Association of Australia

Railways of Australia Committee

Welding Technology Institute of Australia

Review of Australian Standards.To keep abreast of progress in industry, Australian Standards are subjectto periodic review and are kept up to date by the issue of amendments or new edit ions as necessary. It isimportant therefore that Standards users ensure that they are in possession of the latest edit ion, and anyamendments thereto.

Full details of all Australian Standards and related publications wil l be found in the Standards AustraliaCatalogue of Publications; this information is supplemented each month by the magazine ‘The AustralianStandard’, which subscribing members receive, and which gives details of new publications, new edit ionsand amendments, and of withdrawn Standards.

Suggestions for improvements to Australian Standards, addressed to the head office of Standards Australia,are welcomed. Noti fication of any inaccuracy or ambiguity found in an Australian Standard should be madewithout delay in order that the matter may be investigated and appropriate action taken.

This Standard was issued in draft form for comment as DR 92154.Lice

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AS 1167.1—1993

Australian Standard

Welding and brazing—Filler metals

Part 1: Filler metal for brazing andbraze welding

First published as AS 1167—1971.Revised and redesignated AS 1167.1—1984.Second edition 1993.

PUBLISHED BY STANDARDS AUSTRALIA(STANDARDS ASSOCIATION OF AUSTRALIA)1 THE CRESCENT, HOMEBUSH, NSW 2140

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AS 1167.1 — 1993 2

PREFACE

This Standard was prepared by the Standards Australia Committee on WeldingConsumables to supersede AS 1167.1—1984,Welding and brazing—Filler metals,Part 1: Filler metal for brazing and braze welding.

The Standard specifies suitable compositions for brazing filler metal to be used underAustralian conditions. It includes requirements for chemical composition and analysis,packing and marking. In addition, a standard form of colour coding designed to bemutually acceptable to manufacturers and users has been adopted for identificationpurposes. The methods of chemical analysis are in accordance with those in the ASTMBook of Standards.

This Standard is limited to the brazing alloys currently in general use in Australia. Twoadditional alloys have been included in this edition but the tables do not include all thebrazing alloys specified in BS 1845,Specification for filler metals for brazing, nor inANSI/AWS A5.8, Specification for brazing filler metal, to which reference should bemade for alloys that are not covered by the Australian Standard. Attention is drawn alsoto AS 1167.2,Welding and brazing—Filler metals, Part 2:Filler metal for welding, whichspecifies alloys that, although intended for a different purpose, have similar compositionsto certain alloys in this Standard.

Mechanical properties of brazed joints are not covered in this Standard but will generallybe found in the relevant application Standards.

Copyright STANDARDS AUSTRALIA

Users of Standards are reminded that copyright subsists in all Standards Australia publications and software. Except where theCopyright Act allows and except where provided for below no publications or software produced by Standards Australia may bereproduced, stored in a retr ieval system in any form or transmitted by any means without prior permission in writ ing fromStandards Australia. Permission may be conditional on an appropriate royalty payment. Requests for permission and informationon commercial software royalt ies should be directed to the head office of Standards Australia.

Standards Australia wil l permit up to 10 percent of the technical content pages of a Standard to be copied for useexclusively in-house by purchasers of the Standard without payment of a royalty or advice to Standards Australia.

Standards Australia wil l also permit the inclusion of its copyright material in computer software programs for no royaltypayment provided such programs are used exclusively in-house by the creators of the programs.

Care should be taken to ensure that material used is from the current edit ion of the Standard and that it is updated whenever theStandard is amended or revised. The number and date of the Standard should therefore be clearly identif ied.

The use of material in print form or in computer software programs to be used commercially, with or without payment, or incommercial contracts is subject to the payment of a royalty. This policy may be varied by Standards Australia at any time.

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3 AS 1167.1 — 1993

CONTENTS

Page

1 SCOPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 REFERENCED DOCUMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 DEFINITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 CHEMICAL COMPOSITION AND ANALYSIS . . . . . . . . . . . . . . . . . . . . . . . . 45 IDENTIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 FORM AND SIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 PACKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 IDENTIFICATION AND MARKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

APPENDIXA AUSTRALIAN ALLOY CLASSIFICATIONS AND THEIR EQUIVALENTS . 10

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AS 1167.1 — 1993 4

STANDARDS AUSTRALIA

Australian Standard

Welding and brazing—Filler metals

Part 1: Filler metal for brazing and braze welding

1 SCOPE This Standard specifies requirements for filler metals in all forms for brazingand braze welding processes.

NOTE: In this Standard, the term brazing is used to imply both processes.

2 REFERENCED DOCUMENTS The following documents are referred to in thisStandard:

AS1674 Safety in welding and allied processes

2700 Colour standards for general purposes

2812 Welding, brazing and cutting of metals—Glossary of terms

ASTMAnnual ASTM Book of StandardsPart 12: Chemical Analysis of Metals; Sampling and Analysis of Metal Bearing Ores

ANSI/AWSA5.8 Specification for brazing filler metal

BS1845 Specification for filler metals for brazing

ISO3677 Filler metals for brazing and soldering—Code of symbols

DIN8513.1 Part 1: Brazing and braze weld filler metals; copper base brazing alloys8513.3 Part 3: Brazing filler metals; silver brazing filler metals containing not less than

20% of silver

WTIAHealth and safety in welding Technical Note 7

3 DEFINITIONS For the purpose of this Standard, the definitions given in AS 2812apply.

4 CHEMICAL COMPOSITION AND ANALYSIS The chemical composition of thebrazing alloy, determined in accordance with the relevant methods in Part 12 of theAnnual ASTM Book of Standards, or in accordance with other methods that are not lessaccurate, shall comply with the appropriate requirements given in Tables 1 to 4.

NOTE: Appendix A gives Australian alloy designations and their British, American, Germanand ISO equivalents.

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5 AS 1167.1 — 1993

5 IDENTIFICATION Individual items of filler metal shall be identified by eitherembossing or colour coding. Where colour coding is used, the colours employed shallcomply with the appropriate requirement given in Tables 1 to 4.

6 FORM AND SIZE Specification of the required form and size is a matter for thepurchaser at the time of placing the order. If required, filler rods can be supplied coatedwith a suitable brazing flux.

7 PACKING Brazing filler metals shall be packed to guard against damage anddeterioration during transportation, handling and storage.

8 WARNINGS

8.1 General safety warning A label shall be attached or a statement displayed with atleast the following warning:

Protect yourself and others. Read and understand this label.

FUMES AND GASES — can be dangerous to your health.

HEAT RAYS (INFRA RED RADIATION from flame or hot metal) can injure eyes.

WARNING:

* Read and understand the materials safety data sheets on file with your employer, andyour employer’s safety practices.

* Keep your head out of the fumes.

* Use enough natural ventilation, or exhaust ventilation at the fume source, or both, to keepfumes and gases from the breathing zone and the general area.

* Wear correct eye, ear and body protection.

* See AS 1674 and WTIA Technical Note 7 or your filler metal supplier’s recommendationsfor further information.

DO NOT REMOVE OR COVER THIS WARNING

8.2 Cadmium-bearing alloys In addition to the general safety warning, alloyscontaining cadmium as an alloying element shall also have attached a label bearing thefollowing warning:

WARNING: This alloy contains cadmium, and emits highly toxic fumes when heated. Avoidinhaling fumes. Use in well-ventilated places, or places with suitable local exhaust ventilation oruse personal respiratory protection.

If chest pain, cough or fever develops after use, call a physician immediately.

Keep children away during use.

9 IDENTIFICATION AND MARKING Each container, package, spool or mandrel ofbrazing filler metal shall be clearly marked with the following information:

(a) The words ‘Designation to AS 1167.1’ followed by the brazing alloy designation inaccordance with Tables 1 to 4, as appropriate, e.g. Designation to AS 1167.1—A1.

(b) Name of manufacturer.

(c) Contents of package, nominal size and mass.

(d) Warning (see Clause 8).

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AS 1167.1 — 1993 6

(e) Manufacturer’s batch number.

(f) Identification by colour coding, or embossed or printed designation.

NOTE: Manufacturers making a statement of compliance with this Australian Standard on aproduct, packaging, or promotional material related to that product are advised to ensure thatsuch compliance is capable of being verified.

TABLE 1

SILVER BRAZING ALLOYS

1 2 3 4 5 6 7 8 9 10 11

Alloydesign-ation

Chemical composit ion*, percentMelt ing range †

°CColour

identi fication

Silver Copper Zinc Cadmium Tin NickelSolidus Liquidus Colour

AS 2700colour

No.min. max. min. max. min. max. min. max. min. max. min. max.

A1 71.0 73.0 27.0 29.0 — — — 0.05 — — — — 780 780 Orange X15

A2 55.0 57.0 21.0 23.0 15.0 19.0 — 0.05 4.5 5.5 — — 618 650 White —

A3 49.0 51.0 33.0 35.0 14.0 18.0 — 0.05 — — — — 688 774 Dustypink

P31

A4 49.0 51.0 14.5 16.5 14.5 18.5 17.0 19.0 — — — — 620 640 Palmgreen

G44

A5 49.0 51.0 14.5 16.5 13.5 17.5 15.0 17.0 — — 2.5 3.5 645 685 Lightgrey

N35

A6 44.0 46.0 14.0 16..0 14.0 18.0 23.0 25.0 — — — — 607 620 Orientalblue

T22

A7 41.0 43.0 16.0 18.0 15.0 17.0 24.0 26.0 — — — — 610 620 Black —

A8 39.0 41.0 29.0 31.0 26.0 30.0 — 0.05 — — 1.5 2.5 660 780 Gold —

A9 37.0 39.0 19.0 21.0 21.0 23.0 19.0 21.0 — — — — 605 650 Pewter N63

A10 34.0 36.0 25.0 27.0 19.0 23.0 17.0 19.0 — — — — 607 702 Royalblue

B12

A11 34.0 36.0 21.0 23.0 22.0 26.0 18.0 22.0 — — — — 610 670 Sham-rock

G23

A12 29.0 31.0 27.0 29.0 19.0 23.0 19.0 23.0 — — — — 600 690 Goldenyellow

Y14

A13 43.0 45.0 29.0 32.0 24.0 28.0 — 0.05 — — — — 675 735 Violet P13

A14 29.0 31.0 37.0 39.0 30.0 34.0 — 0.05 — — — — 680 770 Straw Y24

A15 38.0 40.0 29.5 31.5 26.0 30.0 — 0.05 2.25 2.75 — — 650 705 Darkbrown

X65

A16 29.0 31.0 34.5 36.5 30.0 34.0 — 0.05 2.25 2.75 — — — — Lilac P23

A17 33.0 35.0 25.0 27.0 21.0 23.0 17.0 19.0 — — — — 620 690 Salmonpink

R42

* The maximum impurity levels applicable to all types of alloys are as follows:

Aluminium + beryllium 0.0015 percentBismuth 0.005 percentTitanium + zirconium 0.005 percentTellurium 0.005 percentCadmium 0.05 percentPhosphorus 0.010 percentArsenic + indium + antimony + tin (as an impurity) 0.10 percentOther elements present as impurities 0.05 percentTotal of all impurities 0.25 percent

† The melting range shown is for general information only and does not constitute a requirement for theproduct concerned.

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7 AS 1167.1 — 1993

TABLE 2

COPPER-PHOSPHORUS BRAZING ALLOYS

1 2 3 4 5 6 7 8

Alloydesignation

Chemical composit ion*, percentMelt ing range † °C

Colour identif ication

SilverCopper

PhosphorusSolidus Liquidus Colour

AS 2700colour

No.Min. Max. Min. Max.

B1

B2

B3

B4

B5

—

1.80

4.75

14.50

17.50

—

2.20

5.25

15.50

18.50

Remainder

Remainder

Remainder

Remainder

Remainder

7.00

6.00

5.75

4.50

7.00

8.25

7.00

6.50

5.50

8.00

705

645

646

645

640

800

704

740

700

680

Signal red

Canary

Silver

Tan

Powder blue

R13

Y11

—

X51

B32

* Max. impurity levels applicable to all types of alloys are as follows:

Cadmium 0.05 percentZinc 0.05 percentLead 0.02 percentAluminium 0.01 percentTellurium 0.005 percentBismuth 0.001 percentTotal of all impurities 0.2 percent

† The melting range shown is for general information only and does not constitute a test requirementfor the product concerned.

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AS 1167.1—1993 8

TABLE 3

COPPER BRAZING ALLOYS

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Alloydesignation

Description

Chemical composit ion*, percentMelting range †

°CColour

identif ication ‡

Copper Sil icon Manganese Aluminium Lead Tin IronNickel inc.

cobaltPhosphorus

Zinc Solidus Liquidus ColourAS 2700colour

No.Min. Max. Min. Max. Min. Max. Max. Max. Max. Max. Min. Max. Max.

RCuZn-A Tobin bronze 57.0 64.0 — 0.50 — — 0.03 0.05 1.00 0.25 — — — Rem 870 900 White —

RCuZn-C Manganese bronze 56.0 60.0 0.04 0.15 0.01 0.50 0.01 0.05 0.75 to 1.10 0.25 to 1.25 — — — Rem 870 900 Aqua B25

RCuZn-D Nickel bronze 46.0 50.0 0.04 0.25 — 0.50 0.01 0.05 0.50 0.50 9.0 11.0 0.25 Rem 920 940 Claret R55

RCuSi-A Sil icon bronze 94.0 — 2.80 4.00 — 1.50 0.01 0.02 1.50 0.50 — — — 1.5 max. 970 1020 Notcoloured

—

* The impurities antimony, arsenic and bismuth are limited to 0.01 percent max. each. Total of all impurities and elements not specified (including aluminium and lead butexcluding iron) are 0.5 percent max.

† The melting range shown is for general information only and does not constitute a test requirement for the products concerned.

‡ Where a rod is suitably identified by embossing, the colour identification may be omitted.

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9 AS 1167.1—1993

TABLE 4

ALUMINIUM BRAZING ALLOYS

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Alloydesignation

Chemical composit ion, percentMelting range,

°C*Tip colour

identif ication

Aluminium

Sil icon Copper Iron Manganese Magnesium Zinc Beryllium TitaniumOther

elementsSolidus Liquidus Colour

AS 2700colour No.

Min. Max. Max. Max. Max. Max. Max. Max. Max.Eachmax.

Totalmax.

R4047 Rem 11.0 13.0 0.30 0.8 0.15 0.10 0.20 0.0008 — 0.05 0.15 565 595 Golden yellow Y14

R4043 Rem 4.5 6.0 0.30 0.8 0.05 0.05 0.10 0.0008 0.20 0.05 0.15 565 630 Not Coloured† —

R4343 Rem 6.8 8.2 0.25 0.8 0.10 — 0.20 0.0008 — 0.05 0.15 565 610 Signal red R13

* The melting range shown is for general information only and does not constitute a test requirement for the product concerned.

† Some imported wire may have green colour code.

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AS 1167.1 — 1993 10

APPENDIX A

AUSTRALIAN ALLOY CLASSIFICATIONS AND THEIR EQUIVALENTS

(Informative)

Australian StandardAS 1167.1 — 1993

Brit ish StandardBS 1845— 1984

American StandardAWS A5.8 — 81

German StandardDIN 8513, Part 1:1979DIN 8513, Part 3:1986

ISO 3677:1976

A1 AG 7* BAg8 L-Ag72 BAg72Cu780

A2 — BAg7 L-Ag55Sn* BAg55ZnCuSn620-660*

A3 — BAg6 —

A4 AG 1* BAg1a L-Ag50Cd* BAg50CdZnCu620-640*

A5 AG 9* BAg3 L-Ag50CdNi* BAg50ZnCuCdNi645-690

A6 — BAg1 L-Ag45Cd* BAg45CdCuZn620-635*

A7 AG 2* — — —

A8 — BAg4 — —

A9 — — — —

A10 — BAg2 — —

A11 — — L-Ag34Cd* BAg34CuZnCd610-680

A12 AS 12* BAg2a* L-Ag30Cd BAg30CuZnCd600-690

A13 — — L-Ag44* BAg44CuZn675-735

A14 — BAg20 — —

A15 — — — —

A16 — — — —

A17 — — — —

B1 CP 3 BCuP-2* L-CuP8*L-CuP7*

BCu92P710*BCu93PP710-820*

B2 CP 2 BCuP-6* L-Ag2P* BCu92PAg650-810*

B3 CP 4* BCuP-3* L-Ag5P* BCu89PAg650-810*

B4 CP 1* BCuP-5* L-Ag15P* BCu80AgP650-800*

B5 — — — —

RCuZn-A — Zn A L-CuZn40* BCu60Zn890-900*

RCuZn-C — Zn C — —

RCuZn-D CZ 8 Zn D L-CuNi10Zn42* BCu48ZnNi890-920*

RCuSi-A — — — —

R4047 4047 BAlSi-4 L-AlSi12* BAi88Si575-590*

R4043 4043A* — — —

R4343 4343 BAlSi-2 L-AlSi7.5* BAl92.5Si575-615*

* These alloys are equivalent but their specifications are not identical.

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