GB/T 224-2008
Determination of depth of decarburization of steels (English Version)

Standard No.

GB/T 224-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2020-05

Replace By

GB/T 224-2019

Latest

GB/T 224-2019

Replace

GB/T 224-1987

Scope

This standard specifies the terms and definitions, measurement methods and test reports of decarburized layers of steel. The method specified in this standard is applicable to the determination of the decarburization depth of steel products (billets) and their parts.

GB/T 224-2008 Referenced Document

• GB/T 1172 Conversion of hardness and strength for ferrous metal
• GB/T 20126 Unalloyed Steel - Determination of low carbon content - Part 2: Infrared absorption method after combustion in an induction furnace (With preheating)
• GB/T 230.1 Metallic materials.Rockwell hardness test.Part 1:Test method*， 2018-05-14 Update
• GB/T 4340.1 Metallic materials.Vickers hardness test.Part 1:Test method*， 2009-06-25 Update

GB/T 224-2008 history

• 2019 GB/T 224-2019 Determination of the depth of decarburization of steels
• 2008 GB/T 224-2008 Determination of depth of decarburization of steels
• 1987 GB/T 224-1987 Determination of depth of decarburization of steel