• AS 1444-1996

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Wrought alloy steels - Standard, hardenability (H) series and hardened and tempered to designated mechanical properties

    Available format(s):  Hardcopy, PDF 1 User, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Superseded date:  01-08-2017

    Language(s):  English

    Published date:  01-01-1996

    Publisher:  Standards Australia

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

    1 - AS 1444-1996 WROUGHT ALLOY STEELS - STANDARD, HARDENABILITY (H) SERIES AND HARDENED AND TEMPERED TO DESIGNATED MECHANICAL PRO
    4 - PREFACE
    5 - CONTENTS
    6 - SECTION 1 SCOPE AND GENERAL
    6 - 1.1 SCOPE
    6 - 1.2 REFERENCED DOCUMENTS
    7 - 1.3 DEFINITIONS
    7 - 1.3.1 Bars
    7 - 1.3.2 Batch
    7 - 1.3.3 Billet
    8 - 1.3.4 Bloom
    8 - 1.3.5 Limiting ruling section
    8 - 1.3.6 Out-of-hexagon
    8 - 1.3.7 Out-of-round
    8 - 1.3.8 Out-of-square
    8 - 1.3.9 Primary rolled product
    8 - 1.3.10 Rod
    8 - 1.3.11 Slab
    8 - 1.3.12 Test piece
    8 - 1.3.13 Test sample
    8 - 1.3.14 Test specimen
    8 - 1.4 DESIGNATION
    8 - 1.4.1 General
    9 - 1.4.2 Series designation
    9 - 1.4.3 Modification symbols
    9 - 1.4.4 Designations for tensile strength ranges of hardened and tempered material
    10 - 1.4.5 Surface condition
    10 - 1.4.6 Austenitic grain size
    10 - 1.5 CONDITION OF STEEL ON DELIVERY
    10 - 1.6 MATERIALS
    10 - 1.6.1 Chemical composition
    11 - 1.6.2 Hardness requirements
    11 - 1.6.3 Tensile test requirements
    11 - 1.6.4 Hardenability test requirements
    11 - 1.6.5 Austenitic grain size requirements
    12 - 1.7 FREEDOM FROM DEFECTS
    12 - 1.7.1 General
    12 - 1.7.2 Hot-rolled bars
    12 - 1.7.3 Cold-finished bars
    12 - 1.8 SURFACE DRESSING
    12 - 1.8.1 Hot-rolled bars
    12 - 1.8.2 Blooms, billets and slabs
    13 - 1.9 ROUNDING OF TEST RESULT VALUES
    13 - 1.9.1 General
    13 - 1.9.2 Tensile test results
    13 - 1.10 MARKING
    14 - SECTION 2 STEELS SUPPLIED TO CHEMICAL COMPOSITION ONLY
    14 - 2.1 SCOPE
    14 - 2.2 CHEMICAL COMPOSITION
    16 - SECTION 3 STEELS SUPPLIED TO CHEMICAL COMPOSITION AND HARDENABILITY REQUIREMENTS
    16 - 3.1 SCOPE
    16 - 3.2 CHEMICAL COMPOSITION
    16 - 3.3 HARDENABILITY TEST
    16 - 3.3.1 General
    16 - 3.3.2 Specification of hardenability limits
    17 - 3.4 HARDENABILITY REQUIREMENTS
    17 - 3.4.1 General
    19 - 3.4.2 Grade AS 1444/ X1320H
    19 - 3.4.3 Grade AS 1444/ X3312H
    20 - 3.4.4 Grade AS 1444/ 4130H
    20 - 3.4.5 Grade AS 1444/ 4140H
    21 - 3.4.6 Grade AS 1444/ 4150H
    21 - 3.4.7 Grade AS 1444/ X4317H
    22 - 3.4.8 Grade AS 1444/ 4340H
    22 - 3.4.9 Grade AS 1444/ 4620H
    23 - 3.4.10 Grade AS 1444/5120H
    23 - 3.4.11 Grade AS 1444/5132H
    24 - 3.4.12 Grade AS 1444/5145H
    24 - 3.4.13 Grade AS 1444/6150H
    25 - 3.4.14 Grade AS 1444/8115H
    25 - 3.4.15 Grade AS 1444/8617H
    26 - 3.4.16 Grade AS 1444/8620H
    26 - 3.4.17 Grade AS 1444/86B30H
    27 - 3.4.18 Grade AS 1444/8660H
    27 - 3.4.19 Grade AS 1444/8740H
    28 - 3.4.20 Grade AS 1444/9260H
    28 - 3.4.21 Grade AS 1444/9261H
    29 - 3.4.22 Grade AS 1444/X9315H
    30 - SECTION 4 STEELS SUPPLIED TO CHEMICAL COMPOSITION AND MECHANICAL PROPERTY REQUIREMENTS
    30 - 4.1 SCOPE
    30 - 4.2 CHEMICAL COMPOSITION
    30 - 4.3 HEAT TREATMENT
    30 - 4.3.1 Hardening and tempering
    30 - 4.3.2 Nitriding
    30 - 4.4 MECHANICAL PROPERTIES
    30 - 4.5 METHODS FOR MECHANICAL TESTING
    30 - 4.5.1 Form of test sample
    31 - 4.5.2 Preparation of test specimens
    31 - 4.5.3 Preparation of test pieces
    32 - 4.5.4 Tensile test
    32 - 4.5.5 Hardness test
    32 - 4.5.6 Impact test
    36 - SECTION 5 MANUFACTURING TOLERANCES
    36 - 5.1 SCOPE
    36 - 5.2 DIMENSIONAL TOLERANCES FOR HOT-ROLLED BARS
    36 - 5.3 DIMENSIONAL TOLERANCES FOR COLD-FINISHED BARS
    41 - APPENDIX A - PURCHASING GUIDELINES
    41 - A1 GENERAL
    41 - A2 INFORMATION TO BE SUPPLIED BY THE PURCHASER
    43 - APPENDIX B - MEANS FOR DEMONSTRATING COMPLIANCE WITH THIS STANDARD
    43 - B1 SCOPE
    43 - B2 STATISTICAL SAMPLING
    43 - B3 PRODUCT CERTIFICATION
    43 - B4 SUPPLIER’S QUALITY SYSTEM
    44 - B5 OTHER MEANS OF ASSESSMENT
    44 - B5.1 General
    44 - B5.2 Sampling
    45 - APPENDIX C - GUIDE TO THE SELECTION OF STEELS BASED ON HEAT TREATMENT, MECHANICAL PROPERTIES AND RULING SECTION
    45 - C1 SCOPE
    45 - C2 RULING SECTION
    47 - APPENDIX D - REQUIREMENTS FOR MAXIMUM SURFACE IMPERFECTION DEPTH
    49 - APPENDIX E - RECOMMENDED MINIMUM MACHINING ALLOWANCES

    Abstract - (Show below) - (Hide below)

    Specifies requirements for wrought alloy steels intended for general engineering purposes and is applicable to hot-rolled and cold-finished bars for machining, blooms, billets and slabs for forgings, and forgings. The steel is either supplied to chemical composition only, to chemical composition and end-quench hardenability (H) requirements or to chemical composition and mechanical properties achieved by hardening and tempering. It also specifies dimensional tolerances and requirements for maximum surface imperfection depth.

    Scope - (Show below) - (Hide below)

    This Standard specifies requirements for wrought alloy steels intended for general engineering purposes and is applicable to hot-rolled or cold-finished bars for machining, blooms, billets and slabs for forgings, and forgings, as follows:(a) To specified chemical composition only (standard steel series).(b) To specified chemical composition and end-quench hardenability requirements (H series).(c) To specified chemical composition and mechanical properties achieved by hardening and tempering.This Standard does not apply to stainless steels.NOTES:1 Advice and recommendations on information to be supplied by the purchaser at the time of enquiry or order are contained in Appendix A.2 Alternative means for determining compliance with this Standard are given in Appendix B.

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

    Committee MT-001
    Document Type Standard
    Publisher Standards Australia
    Status Superseded
    Superseded By
    Supersedes
    Under Revision

    History - (Show below) - (Hide below)

    First published as AS G18-1966.AS G19 first published 1966.AS G20 first published 1966.AS G19-1966 and AS G20-1966 revised, amalgmated and redesignated AS 1444-1974.Second edition 1981.AS G18-1966 revised and redesignated AS 2506-1981.Third edition AS 1444-1986.Second edition AS 2506-1990.AS 1444-1986 and AS 2506-1990 revised, amalgamated and designated AS 1444-1996. First published as AS G18-1966. AS G19 first published 1966. AS G20 first published 1966. AS G19-1966 and AS G20-1966 revised, amalgmated and redesignated AS 1444-1974. Second edition 1981. AS G18-1966 revised and redesignated AS 2506-1981. Third edition AS 1444-1986. Second edition AS 2506-1990. AS 1444-1986 and AS 2506-1990 revised, amalgamated and designated AS 1444-1996.

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

    AS 1443-1994 Carbon steels and carbon-manganese steels - Cold-finished bars
    AS 1544.2-1989 Methods for impact tests on metals Charpy V-notch
    AS 1733-1976 Methods for the determination of grain size in metals (Reconfirmed 2018)
    AS 1399-1990 Guide to AS 1199 - Sampling procedures and tables for inspection by attributes
    AS 1817-1991 Metallic materials - Vickers hardness test
    AS 1654.2-1995 ISO system of limits and fits - Tables of standard tolerance grades and limit deviations for holes and shafts
    AS/NZS ISO 9004.1:1994 Quality management and quality system elements Guidelines
    AS 1199-1988 Sampling procedures and tables for inspection by attributes
    AS/NZS 1050.1:1996 Methods for the analysis of iron and steel Sampling iron and steel for chemical analysis
    AS 1391-1991 Methods for tensile testing of metals
    AS 2706-1984 Numerical values - Rounding and interpretation of limiting values
    AS 1770-1975 Method for the end-quench test for hardenability of steel (Jominy test)
    AS 1815-1991 Metallic materials - Rockwell hardness test
    AS 2338-1980 Preferred dimensions of wrought metal products
    AS 1213-1982 Iron and steel - Methods of sampling
    AS/NZS ISO 9000.1:1994 Quality management and quality assurance standards Guidelines for selection and use
    AS 1816-1990 Metallic materials - Brinell hardness test
    AS 1544.1-1977 Methods for impact tests on metals Izod

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    AS 1085.14-1997 Railway permanent way material - Part 14: Prestressed concrete sleepers
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    AS 2318-2006 Swivels for lifting applications (Reconfirmed 2022)
    AS/NZS 2243.8:2001 Safety in laboratories - Fume cupboards
    AS 2321-2001 Short-link chain for lifting purposes
    AS/NZS 1576.5:1995 Scaffolding Prefabricated splitheads and trestles
    AS 2741-1992 Shackles
    AS 1753-1990 Webbing for restraining devices for occupants of motor vehicles
    AS/NZS 2785:2000 Suspended ceilings - Design and installation
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    AS 1576.3-1991 Scaffolding Prefabricated and tube-and-coupler scaffolding
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    AS 62271.301-2005 High voltage switchgear and controlgear Dimensional standardization of terminals (Reconfirmed 2016)
    AS 2741-2002 Shackles
    AS 6001-1999 Working platforms for housing construction
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