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AS 1627.5-1994

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Metal finishing - Preparation and pretreatment of surfaces - Pickling, descaling and oxide removal
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

06-30-2017

Language(s)

English

Published date

01-01-1994

Preview

1 - AS 1627.5-1994 METAL FINISHING - PREPARATION AND PRETREATMENT OF SURFACES - PICKLING, DESCALING AND OXIDE REMOVAL
4 - PREFACE
5 - CONTENTS
6 - FOREWORD
7 - SECTION 1 SCOPE AND GENERAL
7 - 1.1 SCOPE
7 - 1.2 REFERENCED DOCUMENTS
8 - 1.3 DEFINITIONS
8 - 1.3.1 Alkaline descaling
8 - 1.3.2 Electrolytic descaling
8 - 1.3.3 Hydrogen embrittlement
8 - 1.3.4 Inhibitor
8 - 1.3.5 Pickling
8 - 1.3.6 Scale
8 - 1.3.7 Smut
8 - 1.4 SURFACE CONDITION REQUIREMENTS AFTER TREATMENT
8 - 1.4.1 General
8 - 1.4.2 Removal of smut deposits
8 - 1.5 SAFETY PRECAUTIONS
8 - 1.5.1 General
8 - 1.5.2 Health hazards
8 - 1.5.3 Handling solutions
9 - 1.5.4 Protective clothing
9 - 1.5.5 Ventilation
9 - 1.5.6 Respiratory protection
9 - 1.5.7 Safety signs
9 - 1.5.8 Washing facilities
9 - 1.6 DISPOSAL OF WASTE SOLUTIONS
10 - SECTION 2 PROCEDURES
10 - 2.1 GENERAL
10 - 2.2 EQUIPMENT
10 - 2.3 PICKLING AND DESCALING METHODS FOR FERROUS MATERIALS
10 - 2.3.1 Preliminary cleaning
10 - 2.3.2 Pickling of low carbon steel
10 - 2.3.3 Pickling of cast iron and cast steel
10 - 2.3.4 Pickling of stainless steel
11 - 2.4 CLEANING AND OXIDE REMOVAL FROM ALUMINIUM AND ALUMINIUM ALLOYS
11 - 2.4.1 General
12 - 2.4.2 Alloy limitations
12 - 2.4.3 Preliminary cleaning
12 - 2.4.4 Scale and oxide removal
12 - 2.4.5 Rinsing
12 - 2.5 CLEANING AND OXIDE REMOVAL FROM COPPER AND COPPER ALLOYS
12 - 2.5.1 General
13 - 2.5.2 Preliminary cleaning
13 - 2.5.3 Scale and oxide removal
13 - 2.5.4 Rinsing
13 - 2.6 CLEANING AND OXIDE REMOVAL FROM ZINC AND ZINC ALLOYS
13 - 2.6.1 General
14 - 2.6.2 Preliminary cleaning
14 - 2.6.3 Scale and oxide removal
14 - 2.6.4 Rinsing
14 - 2.7 CLEANING AND OXIDE REMOVAL FROM NICKEL AND NICKEL ALLOYS
14 - 2.7.1 General
14 - 2.7.2 Preliminary cleaning
14 - 2.7.3 Final electrocleaning
15 - 2.7.4 Activation
15 - 2.8 RINSING AND DRYING
15 - 2.8.1 Draining
15 - 2.8.2 Rinsing
15 - 2.8.3 Rinse additives
15 - 2.8.4 Drying
16 - 2.9 FINAL CLEANING
16 - 2.10 CORROSION PROTECTION
17 - APPENDIX A - PURCHASING GUIDELINES
17 - A1 GENERAL
17 - A2 INFORMATION TO BE SUPPLIED BY THE PURCHASER
18 - APPENDIX B - WET SMUT TEST
18 - B1 SCOPE
18 - B2 PRINCIPLE
18 - B3 MATERIALS
18 - B4 PROCEDURE
18 - B5 INTERPRETATION
18 - B6 TEST REPORT
19 - APPENDIX C - ADVICE ON HEAT TREATMENT OF STEEL FOR RELIEF OF HYDROGEN EMBRITTLEMENT AND STRESS
19 - C1 INTRODUCTION
19 - C2 APPLICATION
19 - C2.1 Preplating heat treatment
19 - C2.2 Post-plating heat treatment
20 - C3 HEAT TREATMENT PROCEDURE
20 - C3.1 Before electroplating
20 - C3.2 After electroplating

Specifies procedures for the pickling, descaling and oxide removal for both ferrous and non-ferrous metals and alloys using acid or alkaline solutions. It gives advice on preliminary cleaning, rinsing and drying procedures, and requirements for safety precautions and for the surface condition after treatment.

This Standard sets out procedures for preparing metal surfaces by immersion, or by other means, employing chemical solutions to remove oxidation products (scale), corrosion products and related foreign materials.It includes acid pickling and alkaline descaling methods for the following materials:(a) Steels.(b) Cast iron.(c) Aluminium and aluminium alloys.(d) Copper and copper alloys.(e) Zinc and zinc alloys.(f) Nickel and nickel alloys.NOTE: Advice and recommendations on information to be supplied by the purchaser at the time of enquiry or order are contained in Appendix A.

Committee
MT-009
DocumentType
Standard
ISBN
0 7262 8852 7
Pages
15
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

Under Revision see DR 02449 First published as AS CK9.5-1965.Revised and redesignated AS 1627.5-1975.Second edition 1994. First published as AS CK9.5-1965. Revised and redesignated AS 1627.5-1975. Second edition 1994.

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AS 1337-1984 Eye protectors for industrial applications
AS 1319-1994 Safety signs for the occupational environment (Reconfirmed 2018)
AS 2161-1978 Industrial safety gloves and mittens (excluding electrical and medical gloves)
AS 1627.1-1989 Metal finishing - Preparation and pretreatment of surfaces - Cleaning using liquid solvents and alkaline solutions
AS 1470-1986 Health and safety at work - Principles and practices
AS 2848.1-1998 Aluminium and aluminium alloys - Compositions and designations Wrought products (Reconfirmed 2018)
AS 2453-1981 Electroplated coatings of chromium for engineering applications
AS 1627.2-1989 Metal finishing - Preparation and pretreatment of surfaces - Power tool cleaning
AS 1716-1984 Respiratory protective devices

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AS 3978-1991 Non-destructive testing - Visual inspection of metal products and components
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AS 3996-1992 Metal access covers, road grates and frames
AS/NZS 2312:2002 Guide to the protection of structural steel against atmospheric corrosion by the use of protective coatings
AS 2192-2002 Sterilizers - Steam - Downward-displacement
AS/NZS 3845:1999 Road safety barrier systems
AS 3836-1998 Rack conveyor washers for health care facilities
AS/NZS 2312:1994 Guide to the protection of iron and steel against exterior atmospheric corrosion

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