Norm

NEN-EN-ISO 3506-4:2009 en

Mechanische eigenschappen van bevestigingsartikelen van corrosievast staal - Deel 4: Plaatschroeven

79,70

Over deze norm

Status Definitief
Aantal pagina's 17
Commissie Onderdelen voor bevestiging
Gepubliceerd op 01-11-2009
Taal Engels
This part of ISO 3506 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. This part of ISO 3506 does not define corrosion or oxidation resistance in particular environments. However, some information on materials for particular environments is given in Annex C. Regarding definitions of corrosion and corrosion resistance, see ISO 8044. The aim of this part of ISO 3506 is the classification of corrosion-resistant stainless steel tapping screws into hardness classes. Corrosion and oxidation performances and mechanical properties for use at elevated or sub-zero temperatures can be agreed on between the user and the manufacturer in each particular case. Annex D shows how the risk of intergranular corrosion at elevated temperatures depends on the carbon content. All austenitic stainless steel fasteners are normally non-magnetic in the annealed condition; after cold working, some magnetic properties can be evident (see Annex E).

Details

ICS-code 21.060.10
Nederlandse titel Mechanische eigenschappen van bevestigingsartikelen van corrosievast staal - Deel 4: Plaatschroeven
Engelse titel Mechanical properties of corrosion-resistant stainless steel fasteners - Part 4: Tapping screws
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