Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
3.1 Spheroidal graphite cast iron
3.2 Graphite spheroidizing treatment
4 Designation
5 Order information
6 Manufacture
7 Requirements
7.1 Test pieces machined from separately
cast samples
7.2 Test pieces machined from cast-on samples
7.3 Test pieces machined from samples cut from a
casting
7.4 Classification as a function of hardness
7.5 Graphite 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
9.3 Hardness test
10 Retests
10.1 Need for retests
10.2 Procedure for retests
Annexes
A (normative) Classification as a function of hardness
B (informative) Technical data of spheroidal graphite
cast irons
C (informative) Bibliography
D (informative) Guidance values for 0.2% proof stress for
test pieces machined from samples cut from
the castings
E (normative) Formation of test units and number of tests
Figures
Tables