GB/T 20123-2006: Steel and iron -- Determination of total carbon and sulfur content Infrared absorption method after combustion in an induction furnace (routine method)

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Scope

This Standard specifies an infrared absorption method, after combustion in an
induction furnace, for the determination of the total carbon and sulfur content in
steel and iron.

Basic Data

Standard ID	GB/T 20123-2006 (GB/T20123-2006)
Description (Translated English)	Steel and iron -- Determination of total carbon and sulfur content Infrared absorption method after combustion in an induction furnace (routine method)
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H11
Classification of International Standard	77.080.01
Word Count Estimation	24,297
Date of Issue	2006-03-02
Date of Implementation	2006-09-01
Quoted Standard	ISO 437-1982; ISO 4934-1980; ISO 4935-1989; ISO 5725-1-1994; ISO 5725-2-1994; ISO 5725-3-1994; ISO 9556-1989; ISO 10701-1994; ISO 13902-1997; ISO 14284-1996
Adopted Standard	ISO 15350-2000, IDT
Regulation (derived from)	National Standard Announcement 2006 No.3 (Total No.90)
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 the method after induction furnace combustion infrared absorption method for the determination of total carbon and sulfur in steel content. This method is suitable for the determination of the mass fraction of 0. 005% to 4. 3% carbon content and 0. 0005% to 0. 33% sulfur content. This method can be applied to conventional production control analysis, and in accordance with recognized laboratory accreditation bodies for analysis requirements. This method is widely accepted, good laboratory analysis. This standard commercial instruments using calibrated and certified reference material with a steel calibration verification, while its instrument performance by the conventional method of statistical process control (SPC) control. This method can be used single-element measurement methods, namely the determination of carbon or sulfur alone, , or by simultaneous measurement methods, namely the simultaneous determination of carbon and sulfur.