NF EN ISO 2639

NF EN ISO 2639

February 2003
Standard Cancelled

Steel - Determination and verification of the depth of carburized and hardened cases

ISO 2639 defines the case-hardened depth, and specifies methods for the determination of this depth, in steel.It is applicable tocarburized cases and carbonitrided cases;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.The case-hardened depth is defined by special agreement where these conditions are not met.

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Main informations

Collections

National standards and national normative documents

Publication date

February 2003

Number of pages

11 p.

Reference

NF EN ISO 2639

ICS Codes

77.040.99   Other methods of testing of metals

Classification index

A04-202

Print number

1 - 06/03/2003

International kinship

ISO 2639:2002

European kinship

EN ISO 2639:2002
Sumary
Steel - Determination and verification of the depth of carburized and hardened cases

ISO 2639 defines the case-hardened depth, and specifies methods for the determination of this depth, in steel.

It is applicable to

  1. carburized cases and carbonitrided cases;
  2. 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.

The case-hardened depth is defined by special agreement where these conditions are not met.

Replaced standards (1)
NF A04-202
September 1984
Standard Cancelled
Steel products. Determination and verification of the affective depth of carburized and hardened cases.

Standard replaced by (1)
NF EN ISO 18203
March 2022
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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