GB/T 225-2006: Steel -- Hardenability test by end quenching (Jominy test)

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Scope

This Standard specifies a method for determining the hardenability of steel by
end quenching (Jominy test) by using a test piece 25 mm in diameter and 100
mm long.
NOTE By agreement and for a defined field of application, the test described in this
Standard may be replaced by the calculation of the Jominy curve in accordance with an
accepted mathematical mode! (see annex C). In case of dispute, the test shall be earned
out.

Basic Data

Standard ID	GB/T 225-2006 (GB/T225-2006)
Description (Translated English)	Steel -- Hardenability test by end quenching (Jominy test)
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H24
Classification of International Standard	77.040.99
Word Count Estimation	15,183
Date of Issue	2006-11-01
Date of Implementation	2007-02-01
Older Standard (superseded by this standard)	GB/T 225-1988
Quoted Standard	GB/T 230.1; GB/T 230.2; GB/T 230.3; GB/T 4340.1
Adopted Standard	ISO 642-1999, IDT
Regulation (derived from)	China National Standard Approval Announcement 2006 No.11 (Total No.98)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies test methods by end quenching (Jominy test) Determination of steel hardenability, the test with a diameter of 25mm, length 100mm samples.