EN ISO 3506-4:2009

Foreword
Introduction
1 Scope
2 Normative references
3 Designation, marking and finish
4 Chemical composition
5 Mechanical properties
6 Test methods
Annex A (normative) - Description of the groups and grades
                      of stainless steels
Annex B (informative) - Stainless steel for cold heading
                        and extruding
Annex C (informative) - Austenitic stainless steels with
                        particular resistance to chloride
                        induced stress corrosion
Annex D (informative) - Time-temperature diagram of
                        intergranular corrosion in
                        austenitic stainless steels,
                        grade A2 (18/8 steels)
Annex E (informative) - Magnetic properties for austenitic
                        stainless steels
Bibliography

ISO 3506-4:2009 specifies the mechanical properties of tapping screws made of austenitic, martensitic and ferritic steel grades of corrosion-resistant stainless steels, when tested over an ambient temperature range of 10 °C to 35 °C. Properties vary at higher or lower temperatures.It applies to tapping screws with threads from ST2,2 up to and including ST8, in accordance with ISO 1478.It does not apply to screws with special properties such as weldability.