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AS 1448-1981

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Carbon steels and carbon-manganese steels - Forgings (ruling section 300 mm maximum)
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Superseded date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

01-01-1981

Preview

1 - AS 1448-1981 CARBON STEELS AND CARBON-MANGANESE STEELS - FORGINGS (RULING SECTION 300 mm MAXIMUM)
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE.
6 - 2 DESIGNATION.
6 - 2.1 Steels Supplied to Specified Composition Only (See Tables 1 to 4).
6 - 2.2 Steels Supplied to Chemical Composition and Mechanical Properties
6 - 3 STEELMAKING PROCESS.
6 - 4 CONDITION OF FORGINGS ON DELIVERY.
6 - 4.1 General.
7 - 4.2 Surface Finish.
7 - 5 CHEMICAL COMPOSITION.
7 - 5.1 General.
7 - 5.2 Cast Analysis.
7 - 5.3 Residual Elements.
7 - 5.4 Product Analysis.
7 - 6 FREEDOM FROM DEFECTS.
7 - 7 AUSTENITE GRAIN SIZE (Applicabl e to fully killed steels supplied to Tables 2, 4 and 5).
7 - 7.1 Determination of Grain Size.
7 - 7.2 Specification of Grain Size.
7 - 8 MANUFACTURING TOLERANCES.
7 - 9 MECHANICAL PROPERTIES
7 - 10 PROVISION OF TEST SAMPLES FOR MECHANICAL TESTING.
7 - 10.1 General.
7 - 10.2 Procedure 1-Separate Test Samples.
7 - 10.3 Procedure 2-Integral Test Samples.
8 - 10.4 Procedure 3-Test Samples Machined from the Body of Forgings
8 - 11 PREPARATION OF TEST PIECES.
8 - 12 MECHANICAL TESTS.
8 - 12.1 Tensile Tests.
8 - 12.2 Impact Test.
8 - 12.3 Hardness Test.
8 - 13 RETESTS
8 - 14 IDENTIFICATION.
8 - 15 ROUNDING OF RESULTS OBTAINED BY INSPECTION AND TESTING.
8 - 15.1 General.
8 - 15.2 Tensile Properties.
12 - APPENDIX A - PURCHASING GUIDELINES
12 - A1 RULING SECTION.
12 - A2 INFORMATION TO BE SUPPLIED BY THE PURCHASER.
12 - A3 TEST REQUIREMENTS.
12 - A3.1 Non-destructive Inspection.
12 - A3.2 Independent Tests.
13 - A4 CERTIFICATES.
13 - A4.1 General.
13 - A4.2 Certificates of Compliance.
13 - A4.3 Test Certificates.
13 - A5 INSPECTION.
13 - APPENDIX B - ROUNDING OF RESULTS OBTAINED BY INSPECTION AND TESTING
13 - B1 ROUNDING OFF.
13 - B2 MEANING TO BE ATTACHED TO NUMERICAL VALUES OF MAXIMA AND MINIMA
14 - B3 REFERENCES.

Specifies carbon steel and carbon-manganese steel forgings for general engineering purposes, with ruling section up to and including 300 mm, and supplied either to chemical composition only, or to chemical composition and mechanical properties in any heat-treated condition, or to chemical composition and mechanical properties in the normalized or normalized and tempered condition.

This standard specifies requirements for carbon steel and carbon-manganese steel forgings for general engineering purposes with ruling section up to and including 300 mm. The standard provides for the supply of forgings on the following basis:(a) Chemical composition only, as specified in Tables 1 to 4.(b) Chemical composition as specified in Tables 1 to 4, and hardness or other mechanical properties in any heat-treated condition, as negotiated at the time of enquiry and/or order.(c) Chemical composition and mechanical properties in the normalized or normalized and tempered condition as specified in Table 5.NOTE: Guidelines to purchasers on requirements that must be specified by the purchaser and those that must be agreed at the time of enquiry and/or order are given in Appendix A.

Committee
MT-001
DocumentType
Standard
ISBN
0 7262 2317 4
Pages
9
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

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