Standard No.:	GB/T 223.82-2018
Chinese Name:	钢铁 氢含量的测定 惰性气体熔融-热导或红外法
English Name:	Steel and iron—Determination of hydrogen content—Thermal conductivity/infrared method after fusion under inert gas
Professional Classification:	H11 Steel and iron alloy analysis method
ICS Classification:	77.080.01 Ferrous metals in general
Issued by:
Issued on:	2018-05-14
Implemented on:	2019-02-01
Status:	VALID
Replace:	GB/T223.82-2007 Steel and iron—Determination of hydrogen content—Inert gas impulse fusion heat conductivity method
Language:	English
File Format:	PDF
Word Count:
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1 Scope

This part of GB/T 223 specifies a thermal conductivity/infrared method after fusion under inert gas for the determination of hydrogen content.

This part is applicable to the determination of hydrogen content in steel with a mass fraction of 0.6 μg/g to 30.0 μg/g.

2 Normative References

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 6379.1 Accuracy (Trueness and Precision) of Measurement Methods and Results — Part 1: General Principles and Definitions (GB/T 6379.1-2004, ISO 5725-1:1994, IDT)
GB/T 6379.2 Accuracy (Trueness and Precision) of Measurement Methods and Results — Part 2: Basic Method for the Determination of Repeatability and Reproducibility of a Standard Measurement Method (GB/T 6379.2-2004, ISO 5725-2:1994, IDT)
GB/T 20066 Steel and Iron — Sampling and Preparation of Samples for the Determination of Chemical Composition (GB/T 20066-2006, ISO 14284:1996, IDT)

3 Principle