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AS 1831-1985

Name: AS 1831-1985 - Iron castings - Spheroidal or nodular graphite cast iron
Brand: Standards Australia

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Iron castings - Spheroidal or nodular graphite cast iron

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

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English

Published date

01-01-1985

Publisher

Standards Australia

Superseded date

30-06-2017

Superseded by

AS 1831-2002

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1 - AS 1831-1985 IRON CASTINGS - SPHEROIDAL OR NODULAR GRAPHITE CAST IRON
4 - PREFACE
4 - CONTENTS
5 - 1 SCOPE.
5 - 2 REFERENCED DOCUMENTS.
5 - 3 DESIGNATION.
5 - 4 DEFINITION.
5 - 5 FREEDOM FROM DEFECTS.
5 - 6 CASTING DIMENSIONS.
5 - 7 MICROSTRUCTURE.
5 - 7.1 Graphite.
5 - 7.2 Matrix.
5 - 8 MECHANICAL PROPERTIES.
5 - 8.1 General.
5 - 8.2 Tensile properties.
5 - 9 PROVISION AND PREPARATION OF TEST BARS FOR MECHANICAL TESTS.
5 - 9.1 General.
6 - 9.2 Casting of test bars.
6 - 10 MECHANICAL TESTS.
6 - 10.1 Defective test piece.
6 - 10.2 Tensile test.
6 - 10.3 Impact test.
6 - 10.4 Hardness test.
6 - 11 RETESTS.
6 - 12 INTERPRETATION OF SPECIFIED LIMITING VALUES.
7 - APPENDIX A - PURCHASING GUIDELINES
7 - A1 INTRODUCTION.
7 - A2 INFORMATION TO BE SUPPLIED BY THE PURCHASER.
7 - A3 PATTERNS, DRAWINGS AND SAMPLES OF THE CASTING.
7 - A3.1 New patterns.
7 - A3.2 Existing patterns and equipment.
8 - A3.3 Colouring and marking.
8 - A3.4 Sample casting and/or drawing.
8 - A4 IDENTIFICATION.
8 - A5 DRESSING AND FETTLING.
8 - A6 RECTIFICATION OF DEFECTS.
8 - A7 MICROSTRUCTURE.
8 - A7.1 Microstructural Test Piece.
8 - A7.2 Graphite
8 - A7.3 Matrix.
9 - A8 MECHANICAL TESTS.
9 - A8.1 Number of tests.
9 - A8.2 Casting of test bars.
9 - A8.3 Tensile test requirements.
9 - A8.4 Impact test requirements.
9 - A8.5 Hardness Requirements.
10 - A8.6 Retests.
10 - A8.7 Independent tests.
10 - A9 CERTIFICATES.
10 - A9.1 Certificates of Compliance.
10 - A9.2 Test Certificates.
10 - A10 INSPECTION.
11 - APPENDIX B - GRAPHITE IN CAST IRON*
14 - APPENDIX C - TEST BLOCK MOULD FOR MICROSTRUCTURAL SAMPLES
15 - APPENDIX D - TYPICAL TENSILE TEST BARS*
17 - APPENDIX E - EXAMPLES OF INTERPRETATION OF SPECIFIED LIMITING VALUES IN ACCORDANCE WITH THE ROUNDING METHOD

Specifies requirements for six grades of spheroidal or nodular graphite iron castings (also known as 'SG iron' and 'ductile iron' castings) in terms of mechanical properties, microstructure and freedom from defects. Appendices provide purchasing guidelines and information on graphite distribution.

Committee	MT-001
DocumentType	Standard
ISBN	0 7262 3647 0
Pages	13
PublisherName	Standards Australia
Status	Superseded
SupersededBy	AS 1831-2002
Supersedes	AS 1831-1976 DR 83059
UnderRevision	DR 02086 CP

This standard specifies requirements for six grades of spheroidal or nodular graphite iron castings in terms of mechanical properties.NOTES:1. Pipes centrifugally cast in metal moulds are not covered by this standard (see AS 2280, Centrifugally Cast Ductile Iron Pressure Pipes).2. Alternative names for this material are 'SG Iron' and 'Ductile Iron'.3. 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.

Under Revision See DR 02086 CP

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AS 1831-1985

Iron castings - Spheroidal or nodular graphite cast iron

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