5.1 The chemical composition of high manganese steel alloys must be determined accurately to ensure the desired metallurgical properties. This procedure is suitable for manufacturing control and inspection testing.

1.1 This test method covers the analysis of high manganese steel by spark atomic emission spectrometry for the following elements in the ranges shown:

Elements

Composition Range, %

Aluminum (Al)

0.02 to 0.15

Carbon (C)

0.3 to 1.4

Chromium (Cr)

0.25 to 2.00

Manganese (Mn)

8.0 to 16.2

Molybdenum (Mo)

0.03 to 2.0

Nickel (Ni)

0.05 to 4.0

Phosphorus (P)

0.025 to 0.06

Silicon (Si)

0.25 to 1.5

Note 1: The ranges represent the actual levels at which this method was tested.2 These composition ranges can be extended by the use of suitable reference materials. Validation of these extensions may be conducted by following Practice E2587. Sulfur is not included because differences in results between laboratories exceeded acceptable limits at all sulfur levels.

1.2 This test method may involve hazardous materials, operations, and equipment. 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.

1.3 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.