Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and designation
4.1 Classification
4.2 Designation
4.2.1 Steel names
4.2.2 Steel numbers
5 Information to be supplied by the purchaser
5.1 Mandatory information
5.2 Options
6 Manufacturing process
6.1 General
6.2 Delivery
6.2.1 Delivery form
6.2.2 Delivery condition
7 Requirements
7.1 Chemical composition
7.2 Mechanical properties
7.3 Technological properties and surface condition
7.4 Internal soundness
7.5 Dimensions and tolerances on dimensions
8 Inspection and testing
8.1 General
8.2 Types and contents of inspection documents
8.3 Specific inspection and testing
8.3.1 Extent of testing
8.3.2 Selection and preparation of samples and test
pieces
8.3.3 Methods of test
9 Disputes
Annex A (informative) Additional information
A.1 Selection of stainless steels for use in precision
strip form for spring applications
A.2 Further details on ferritic steel X6Cr17 (1.4016)
A.3 Further details on martensitic steels
A.4 Further details on precipitation hardening steel
X7CrNiAl17-7 (1.4568)
A.5 Further details on austenitic steels
A.6 Further general guidelines on processing
A.6.1 Physical properties
A.6.2 Cleaning and heat treatment
A.6.3 Mean surface roughness