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  • AS 1627.5-1994

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    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    Superseded date:  30-06-2017

    Language(s):  English

    Published date:  01-01-1994

    Publisher:  Standards Australia

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    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.

    Scope - (Show below) - (Hide below)

    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.

    General Product Information - (Show below) - (Hide below)

    Committee MT-009
    Document Type Standard
    Publisher Standards Australia
    Status Superseded
    Superseded By
    Supersedes
    Under Revision

    History - (Show below) - (Hide below)

    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.

    Standards Referenced By This Book - (Show below) - (Hide below)

    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 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
    AS 1715-1982 Selection, use and maintenance of respiratory protective devices
    AS 2848.1-1998 Aluminium and aluminium alloys - Compositions and designations Wrought products (Reconfirmed 2018)
    AS 1874-1988 Aluminium and aluminium alloys - Ingots and castings
    AS 1470-1986 Health and safety at work - Principles and practices

    Standards Referencing This Book - (Show below) - (Hide below)

    AS/NZS 2310:2002 Glossary of paint and painting terms (Reconfirmed 2016)
    AS 2945(INT)-2002 Batch-type washer/disinfectors for health care facilities
    AS 1627.0-1997 Metal finishing - Preparation and pretreatment of surfaces Method selection guide
    AS 1410-2003 Sterilizers - Steam - Pre-vacuum
    AS 2487-2002 Dry heat sterilizers
    AS 2945-1987 Washer/disinfectors for hospital utensils
    AS 3978-1991 Non-destructive testing - Visual inspection of metal products and components
    AS 2182-1994 Sterilizers - Steam - Portable
    AS 2514-1999 Drying cabinets for medical equipment
    AS 2182-1998 Sterilizers - Steam - Benchtop
    AS 1449-1994 Wrought alloy steels - Stainless and heat-resisting steel plate, sheet and strip
    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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