Reference Source

ISO 4970:1979

For ISO 4970:1979, item title is Steel — Determination of total or effective thickness of thin surface-hardened layers; status code is 9599; successor is ISO 18203:2016; withdrawn / published date is 1979-11-01, recorded from its source on 2026-08-05.

Identifier
ISO 4970:1979 verified
Item title
Steel — Determination of total or effective thickness of thin surface-hardened layers verified
Status code
9599 verified
Successor
ISO 18203:2016
Withdrawn / published date
1979-11-01 verified
Sourceisopublicstorageprod.blob.core.windows.net
Verified
Review by
DatasetWithdrawn and superseded ISO standards

What the source says

10988,IS,,ISO 4970:1979,Steel — Determination of total or effective thickness of thin surface-hardened layers,Acier — Détermination de l'épaisseur totale ou conventionnelle des couches minces durcies superficielles,1979-11-01,1,['77.040.99'],ISO/TC 17/SC 7,9599,,[61748],"['en','fr']",4,"<p>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

isopublicstorageprod.blob.core.windows.net, retrieved 2026-08-05

Source

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