Significance and Use
This practice covers all aspects of sampling and preparing steel and iron for chemical analysis as defined in Test Methods, Practices, and Definitions A 751
It is intended that this practice include most requirements for sampling steel and iron for analysis. Standard analytical methods that reference this practice need contain only special modifications and exceptions.
It is assumed that all who use these procedures will be trained samplers capable of performing common sampling operations skillfully and safely. It is expected that only proper sampling equipment will be used.
Scope
1.1 This practice covers the sampling of all grades of steel, both cast and wrought, and all types (grades) of cast irons and blast furnace iron for chemical and spectrochemical determination of composition. This practice is similar to ISO 14284.
1.2 This practice is divided into the following sections.
| Sections | |
| Requirements for Sampling and Sample Preparation | 6 |
| General | 6.1 |
| Sample | 6.2 |
| Selection of a Sample | 6.3 |
| Preparation of a Sample | 6.4 |
| Liquid Iron for Steelmaking and Pig Iron Production | 7 |
| General | 7.1 |
| Spoon Sampling | 7.2 |
| Probe Sampling | 7.3 |
| Preparation of a Sample for Analysis | 7.4 |
| Liquid Iron for Cast Iron Production | 8 |
| General | 8.1 |
| Spoon Sampling | 8.2 |
| Probe Sampling | 8.3 |
| Preparation of a Sample for Analysis | 8.4 |
| Sampling and Sample Preparation for the Determination of | |
| Oxygen and Hydrogen | 8.5 |
| Liquid Steel for Steel Production | 9 |
| General | 9.1 |
| Probe Sampling | 9.2 |
| Spoon Sampling | 9.3 |
| Preparation of a Sample for Analysis | 8.4 |
| Sampling and Sample Preparation for the Determination | |
| of Oxygen | 9.5 |
| Sampling and Sample Preparation for the Determination | |
| of Hydrogen | 9.6 |
| Pig Irons | 10 |
| General | 10.1 |
| Increment Sampling | 10.2 |
| Preparation of a Sample for Analysis | 10.3 |
| Cast Iron Products | 11 |
| General | 11.1 |
| Sampling and Sample Preparation | 11.2 |
| Steel Products | 12 |
| General | 12.1 |
| Selection of a Laboratory Sample or a Sample for | |
| Analysis from a Cast Product | 12.2 |
| Selection of a Laboratory Sample or a Sample for | |
| Analysis from a Wrought Product | 12.3 |
| Preparation of a Sample for Analysis | 12.4 |
| Sampling of Leaded Steel | 12.5 |
| Sampling and Sample Preparation for the Determination | |
| of Oxygen | 12.6 |
| Sampling and Sample Preparation for the Determination | |
| of Hydrogen | 12.7 |
| Keywords | 13 |
| Annexes | |
| Sampling Probes for Use with Liquid Iron and Steel | Annex A1 |
| Sampling Probes for Use with Liquid Steel for the | Annex A2 |
| Determination of Hydrogen |
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
1.4 For specific precautions, see 6.4.3.5, 9.4.4.3, and 12.5.1.1 as well as Section 5.
