Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Designation
5 Order information
6 Manufacture
7 Requirements
7.1 General
7.2 Test pieces machined from separately cast and cast-on
samples
7.3 Test pieces machined from samples cut from a casting
7.4 Hardness
7.5 Graphite structure
7.6 Matrix structure
8 Sampling
8.1 General
8.2 Separately cast samples
8.3 Cast-on samples
8.4 Samples cut from a casting
9 Test methods
9.1 Tensile test
9.2 Impact test, Charpy V
9.3 Hardness test
10 Retests
10.1 Need for retesting
10.2 Test validity
10.3 Non-conforming test results
10.4 Heat treatment of samples and castings
11 Additional information
Annex A (normative) - Abrasion-resistant grades of ausferritic
spheroidal graphite cast iron
Annex B (normative) - Minimum elongation values for a test
piece with original gauge length L[0] = 4 x d
Annex C (informative) - Guidance values for Brinell hardness
Annex D (informative) - Procedure for the determination of
the hardness range
Annex E (informative) - Guidance values for tensile strength
and elongation for test pieces machined from
samples cut from a casting [1]
Annex F (informative) - Unnotched impact test
Annex G (informative) - Additional information on mechanical
and physical properties
Annex H (informative) - Nodularity (or spheroidal graphite
rate)
Annex I (informative) - Machinability of ausferritic spheroidal
graphite cast irons
Annex J (informative) - Cross-references of similar grades of
ausferritic spheroidal graphite cast iron
Bibliography