Standard
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AS 1831-2007
[Current]Ductile cast iron
Adopts ISO 19117:2012, which specifies grades of spheroidal graphite cast irons by mechanical properties.
Published: 29/01/2007
Pages: 31
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Designation
5 Order information
6 Manufacture
7 Requirements
7.1 Test pieces machined from separately cast samples
7.1.1 General
7.1.2 Impact test
7.2 Test pieces machined from cast-on samples
7.2.1 General
7.2.2 Impact test
7.3 Test piece machined from samples cut from a casting
7.4 Classification by hardness
7.5 Graphite structure
7.6 Matrix structure
8 Sampling
8.1 General
8.2 Separately cast samples
8.2.1 Frequency and number of tests
8.2.2 Samples and test pieces
8.3 Cast-on samples
8.3.1 Frequency and number of tests
8.3.2 Samples and test pieces
8.4 Samples cut from a casting
8.4.1 General
8.4.2 Other conditions
8.5 Formation of test units and number of tests
8.5.1 Examples of test units
8.5.2 Number of tests per test unit
9 Test methods
9.1 Tensile test
9.2 Impact test
9.3 Hardness test
10 Retests
10.1 Need for retests
10.2 Test validity
10.3 Non-conforming test results
10.4 Heat treatment of samples and castings
Annex A
A.1 Scope
A.2 Material requirements
A.2.1 Mechanical properties
A.2.2 Classification as a function of hardness
A.3 Microstructure
A.4 Supplementary information
A.4.1 Application
A.4.2 Machinability
A.4.3 Chemical composition
Annex B
Annex C
C.1 General
C.2 Methods to determine toughness
C.2.1 Impact toughness
C.2.2 Fracture mechanics
C.3 Comparison of the toughness of cast iron materials and cast steels
C.4 Evaluation of the test method
Annex D
Annex E
E.1 General
E.2 Classification
E.3 Determination of a hardness range capable of meeting the tensile property requirements
E.4 Sampling
E.5 Test method
E.6 Number and frequency of hardness tests
E.7 Microstructure
Annex F
Annex G
Bibliography
Cited references in this standard
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