GB/T 20066–2006 Steel and iron—Sampling and preparation of samples for the determination of chemical composition (Text of Document is in English) - Beijing translation compay

Contents
Foreword
1 Scope
2 Normative References
3 Definitions
4 Requirements for sampling and sample preparation
4.1 General
4.2 Sample
4.3 Selection of a sample
4.4 Preparation of a sample
4.5 Safety precautions
5 Liquid iron for steelmaking and pig-iron production
5.1 General
5.2 Spoon sampling
5.3 Probe sampling
5.4 Preparation of a sample for analysis
6 Liquid iron for cast iron production
6.1 General
6.2 Spoon sampling
6.3 Probe sampling
6.4 Preparation of a sample for analysis
6.5 Sampling and sample preparation for the determination of oxygen, nitrogen and hydrogen
7 Liquid steel for steel production
7.1 General
7.2 Spoon sampling
7.3 Probe sampling
7.4 Preparation of a sample for analysis
7.5 Sampling and sample preparation for the determination of oxygen
7.6 Sampling and sample preparation for the determination of hydrogen
8 Pig-irons
8.1 General
8.2 Increment sampling
8.3 Preparation of a sample for analysis
9 Cast-iron products
9.1 General 28
9.2 Sampling and sample preparation
10 Steel products
10.1 General
10.2 Selection of a preliminary sample or a sample for analysis from a cast product
10.3 Selection of a preliminary sample or a sample for analysis from a wrought product
10.4 Preparation of a sample for analysis
10.5 Sampling of leaded steel
10.6 Sampling and sample preparation for the determination of oxygen
10.7 Sampling and sample preparation for the determination of hydrogen
Annex A (Informative) Sampling probes for use with liquid iron and steel
A.1 General
A.2 Immersion sampling probes
A.3 Stream-sampling probes
A.4 Suction sampling probes
A.5 Deoxidation systems for sampling probes
A.6 Quality of sample
Annex B (Informative) Sampling probes for use with liquid steel for the determination of hydrogen
B.1 General
B.2 Immersion sampling probes
B.3 Suction sampling probes