ISO 18203:2016

ISO 18203:2016

December 2016
International standard Current

Steel - Determination of the thickness of surface-hardened layers

ISO 18203:2016 specifies a method of measuring the case hardening depth, surface hardening depth, nitriding hardness depth and total thickness of surface hardening depth obtained, e.g. thermal (flame and induction hardening, electron beam hardening, laser beam hardening, etc.) or thermochemical (carbonitriding, carburizing and hardening, hardening and nitriding, etc.) treatment.

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Main informations

Collections

International ISO standards

Publication date

December 2016

Number of pages

12 p.

Reference

ISO 18203:2016

ICS Codes

77.040.99   Other methods of testing of metals

Print number

1
Sumary
Steel - Determination of the thickness of surface-hardened layers

ISO 18203:2016 specifies a method of measuring the case hardening depth, surface hardening depth, nitriding hardness depth and total thickness of surface hardening depth obtained, e.g. thermal (flame and induction hardening, electron beam hardening, laser beam hardening, etc.) or thermochemical (carbonitriding, carburizing and hardening, hardening and nitriding, etc.) treatment.

Replaced standards (3)
ISO 2639:2002
November 2002
International standard Cancelled
Steels - Determination and verification of the depth of carburized and hardened cases

<p>ISO 2639 defines the case-hardened depth, and specifies methods for the determination of this depth, in steel.</p> <p>It is applicable to</p> <ol><li>carburized cases and carbonitrided cases;</li><li>parts that, when heat treated to final hardness, have a hardness of less than 450 HV 1 at a distance of three times the case-hardened depth, from the surface.</li></ol> <p>The case-hardened depth is defined by special agreement where these conditions are not met.</p>

ISO 3754:1976
June 1976
International standard Cancelled
Steel -- Determination of effective depth of hardening after flame or induction hardening

ISO 4970:1979
November 1979
International standard Cancelled
Steel -- Determination of total or effective thickness of thin surface-hardened layers

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