GB/T 223.74-1997: Methods for chemical analysis of iron, steel and alloy - The combustion gravimetric/gas-volumetric method for the determination of non-combined carbon content

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Scope

This standard specifies the determination of non-combined carbon content, using the
post-combustion gravimetric method in a pipe furnace or the post-combustion gas
volume method in a pipe furnace.
This standard is applicable to the determination of 0.030% (m/m) ~ 5.00% (m/m) non-
combined carbon content in iron and carbon steel.

Basic Data

Standard ID	GB/T 223.74-1997 (GB/T223.74-1997)
Description (Translated English)	Methods for chemical analysis of iron, steel and alloy. The combustion gravimetric/gas-volumetric method for the determination of combined carbon content
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H11
Classification of International Standard	77.08
Word Count Estimation	6,617
Date of Issue	3/17/1997
Date of Implementation	9/1/1997
Older Standard (superseded by this standard)	GB 223.74-1991
Quoted Standard	GB 222-84; GB/T 223.71-1997; GB/T 333.60-1997
Issuing agency(ies)	State Bureau of Technical Supervision
Summary	This standard specifies the combustion tube furnace tube furnace method or weight determination of non-combustion carbon compound gas volumetric method. This standard applies to iron and carbon steel, 0. 030% (m/m) ~ 5. 00% (m/m) measured non-combined carbon content.