ASTM E1999-18 - 15.4.2018
 
Significance and Use

5.1 The chemical composition of cast iron alloys shall be determined accurately in order to insure the desired metallurgical properties. This procedure is suitable for manufacturing control and inspection testing.

 
1. Scope

1.1 This test method covers the analysis of cast iron by spark atomic emission spectrometry for the following elements in the ranges shown (Note 1):

 

 

Ranges, %

 

Elements

Applicable Range, %

Quantitative Range, %A

 

 

 

 

 

Carbon

1.9 to 3.8

1.90  to 3.8

 

Chromium

0 to 2.0

0.025 to 2.0

 

Copper

0 to 0.75

0.015 to 0.75

 

Manganese

0 to 1.8

0.03  to 1.8

 

Molybdenum

0 to 1.2

0.01  to 1.2

 

Nickel

0 to 2.0

0.02  to 2.0

 

Phosphorus

0 to 0.4

0.005 to 0.4

 

Silicon

0 to 2.5

0.15  to 2.5

 

Sulfur

0 to 0.08

0.01  to 0.08

 

Tin

0 to 0.14

0.004 to 0.14

 

Titanium

0 to 0.12

0.003 to 0.12

 

Vanadium

0 to 0.22

0.008 to 0.22

(A) Quantitative range as directed in Practice E1601.

Note 1: The ranges of the elements listed have been established through cooperative testing of reference materials. These ranges can be extended by the use of suitable reference materials.

1.2 This test method covers analysis of specimens having a diameter adequate to overlap the bore of the spark stand opening (to effect an argon seal). The specimen thickness should be sufficient to prevent overheating during excitation. A heat sink backing may be used. The maximum thickness is limited only by the height that the stand will permit.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 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.

 
2. Referenced Documents

E305-21

Standard Practice for Establishing and Controlling Spark Atomic Emission Spectrochemical Analytical Curves

E172-90(1999)

Practice for Describing and Specifying the Excitation Source in Emission Spectrochemical Analysis (Withdrawn 2001)

E158-86(1996)e1

Standard Practice for Fundamental Calculations to Convert Intensities into Concentrations in Optical Emission Spectrochemical Analysis (Withdrawn 2004)

E135-23a

Standard Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials (Includes all amendments and changes 7/17/2023).

E1019-18

Standard Test Methods for Determination of Carbon, Sulfur, Nitrogen, and Oxygen in Steel, Iron, Nickel, and Cobalt Alloys by Various Combustion and Inert Gas Fusion Techniques

E1329-10

Standard Practice for Verification and Use of Control Charts in Spectrochemical Analysis (Withdrawn 2019)

E1601-19

Standard Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method

E1763-06

Standard Guide for Interpretation and Use of Results from Interlaboratory Testing of Chemical Analysis Methods (Withdrawn 2015)

E1806-23

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

MNL 7A

Manual on Presentation of Data and Control Chart Analysis ASTM Manual Series, ASTM, 6th Edition, 1990.

E351-18

Standard Test Methods for Chemical Analysis of Cast Iron´All Types

E826-14

Standard Practice for Testing Homogeneity of a Metal Lot or Batch in Solid Form by Spark Atomic Emission Spectrometry (Withdrawn 2023)

E406-19

Standard Practice for Using Controlled Atmospheres in Atomic Emission Spectrometry