BS 6200-2.1:1993

Foreword
Committees responsible
Methods
Subsection 1. General
1.1 Scope
1.2 References
1.3 Definitions
1.4 Quality systems
Subsection 2. Requirements for sampling and sample
preparation
2.1 General
2.2 Sample
2.3 Selection of a sample
2.4 Preparation of a sample
2.5 Safety precautions
Subsection 3. Liquid iron for steelmaking and pig iron
production
3.1 General
3.2 Spoon sampling
3.3 Probe sampling
3.4 Preparation of a sample for analysis
Subsection 4. Liquid iron for cast iron production
4.1 General
4.2 Spoon sampling
4.3 Probe sampling
4.4 Preparation of a sample for analysis
4.5 Sampling and sample preparation for the
      determination of oxygen and hydrogen
Subsection 5. Liquid steel for steel production
5.1 General
5.2 Spoon sampling
5.3 Probe sampling
5.4 Preparation of a sample for analysis
5.5 Sampling and sample preparation for the
      determination of oxygen
5.6 Sampling and sample preparation for the
      determination of hydrogen
Subsection 6. Pig irons
6.1 General
6.2 Increment sampling
6.3 Preparation of a sample for analysis
Subsection 7. Cast iron products
7.1 General
7.2 Sampling and sample preparation
Subsection 8. Steel products
8.1 General
8.2 Selection of a preliminary sample or a sample for
      analysis from a cast product
8.3 Selection of a preliminary sample or a sample for
      analysis from a wrought product
8.4 Preparation of a sample for analysis
8.5 Sampling of leaded steel
8.6 Sampling and sample preparation for the
      determination of oxygen
8.7 Sampling and sample preparation for the
      determination of hydrogen
Annexes
A. (informative) Sampling probes for use with liquid
     iron and steel
B. (informative) Sampling probes for use with liquid
     steel for the determination of hydrogen
Table
1. Minimum number of pigs to be taken as incremental
     samples from a consignment of pig iron
Figures
1. Sequence of sampling and sample preparation for
     liquid iron and steel and cast iron and steel
     products
2. Combination-type vertical mould used for sampling
     liquid iron intended for cast iron production
3. Sampling positions for pig irons
4. Sampling positions for steel sections
A.1 Examples of immersion sampling probes filled by
     ferrostatic pressure
A.2 Examples of disc-and-pin samples
A.3 Example of an immersion sampling probe filled by
     gravity
A.4 Example of an immersion probe used for sampling
     liquid iron from a blast furnace
A.5 Example of a sublance probe assembly showing the
     sample chamber
A.6 Examples of stream sampling and suction sampling
     probes
B.1 Examples of probes used for sampling liquid steel
     for the determination of hydrogen
List of references

Describes methods for determination of chemical composition of pig iron, cast iron and steel. Includes methods for use with both liquid and solid metals.

This Section of BS 6200 describes methods for sampling and sample preparation for the determination of the chemical composition of pig iron, cast iron and steel. Methods are described for use with both liquid and solid metal.