ASTM E1806 : 23

Standard Practice for Sampling Steel and Iron for Determination of Chemical Composition

Standard Details

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	8.5
Oxygen and Hydrogen

Liquid Steel for Steel Production	9
General	9.1
Probe Sampling	9.2
Spoon Sampling	9.3
Preparation of a Sample for Analysis	9.4
Sampling and Sample Preparation for the Determination	9.5
of Oxygen
Sampling and Sample Preparation for the Determination	9.6
of Hydrogen

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

	Sections
Steel Products	12
General	12.1
Selection of a Laboratory Sample or a Sample for	12.2
Analysis from a Cast Product
Selection of a Laboratory Sample or a Sample for	12.3
Analysis from a Wrought Product
Preparation of a Sample for Analysis	12.4
Sampling of Leaded Steel	12.5
Sampling and Sample Preparation for the Determination	12.6
of Oxygen

Sampling and Sample Preparation for the Determination	12.7
of Hydrogen

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 The values stated in SI units are regarded as standard. No other units of measurement are included in this standard.

1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific statements, see 6.4.3.5, 9.4.4.3, 12.5.1, and Section 5.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.