ISO 4970:1979
Steel — Determination of total or effective thickness of thin surface-hardened layers
Reference number
ISO 4970:1979
Edición 1
1979-11
© ISO 2024
Retirada
Retirada (Edición 1, 1979)

Resumen

Specifies the micrographic method and the microhardness measurement method. Applies to thin surface layers, with thicknesses of less than or equal to 0.3 mm, obtained, for example, by mechanical (shot blasting, shot peening, etc), thermal (flame or induction hardening, etc) or thermochemical (carbonitriding, carburizing and hardening, etc) treatment. It is not applicable to thin surface layer which are not continuous with the basis metal.

Informaciones generales

  • Estado
     : Retirada
    Fecha de publicación
     : 1979-11
    Etapa
    : Retirada de la Norma Internacional [95.99]
  • Edición
     : 1
    Número de páginas
     : 4
  • Comité Técnico :
    ISO/TC 17/SC 7
    ICS :
    77.040.99 
  • RSS actualizaciones

Ciclo de vida

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

  2. Tienda
  3. Standards catalogue
  4. ICS
  5. 77
  6. 77.040
  7. 77.040.99
  8. ISO 4970:1979