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Standard

NS-EN ISO 3506-2:1997

Tilbaketrukket

Merknad: Denne standarden har en ny utgave: NS-EN ISO 3506-2:2020

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This part of ISO 3506 specifies the mechanical properties of nuts made of austenitic, martensitic and ferritic grades of corrosion-resistant stainless steel when tested over an ambient temperature range of 15 *C to 25 *C. Properties will vary at higher or lower temperatures. It applies to nuts | with nominal thread diameters (d) up to and including 39mm; | of triangular ISO metric threads with diameters (d) and pitches in accordance with ISO 68-1, ISO 261 and ISO 262; | of any shape; | with width across flats as specified in ISO 272; | with nominal heights greater than or equal to 0,5 d. It does not apply to nuts requiring properties such as | locking abilities; | weldability. This part of ISO 3506 does not define corrosion or oxidation resistance in particular environments. The aim of this part of ISO 3506 is a classification into property classes of corrosoin resistant stainless steel fasteners. Some materials can be used at temperatures down to -200 *C, some can be used at temperatures up to +800 *C in air. Information on the influence of temperature on mechanical properties is found in annex D. Corrosion and oxidation performances and mechanical properties for use at elevated or sub-zero temperatures must be the subject of agreement between user and manufacturer in each particular case. Annex E 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 may be evident (see annex F).

Dokumentinformasjon

  • Standard fra SN
  • Publisert:
  • Tilbaketrukket:
  • Utgave: 1
  • Versjon: 1
  • Varetype: NAT
  • Products.Specs.pages
  • ICS 21.060.20
  • National Committee CEN/TC 185

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