ASTM E1086-08
(Test Method)Standard Test Method for Optical Emission Vacuum Spectrometric Analysis of Stainless Steel by the Point-to-Plane Excitation Technique
Standard Test Method for Optical Emission Vacuum Spectrometric Analysis of Stainless Steel by the Point-to-Plane Excitation Technique
SIGNIFICANCE AND USE
The chemical composition of stainless steels must be determined accurately in order to ensure the desired metallurgical properties. This procedure is suitable for manufacturing control and inspection testing.
SCOPE
1.1 This test method covers for the atomic emission vacuum spectrometric analysis of stainless steel in solid form by the point-to-plane excitation technique for the following elements in the concentration ranges shown:
ElementConcentration Range, % Chromium17.0 to 23.0 Nickel 7.5 to 13.0 Molybdenum 0.01 to 3.0 Manganese 0.01 to 2.0 Silicon 0.01 to 0.90 Copper 0.01 to 0.30 Carbon 0.005 to 0.25 Phosphorus 0.003 to 0.15 Sulfur 0.003 to 0.065
1.2 This test method is designed for the routine analysis of chill-cast disks or inspection testing of stainless steel samples that have a flat surface of at least 13 mm (0.5 in.) in diameter. The samples must be sufficiently massive to prevent overheating during the discharge and of a similar metallurgical condition and composition as the reference materials.
1.3 Analytical curves are plotted using the concentration ratio method as shown in Practice E 158. One or more of the reference materials must closely approximate the composition of the specimen. The technique of analyzing reference materials along with unknowns and performing the indicated mathematical corrections may also be used to correct for interference effects and to compensate for errors resulting from instrument drift. A variety of such systems are commonly used. Any of these that will achieve analytical accuracy equivalent to that reported for this test method are acceptable.
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 and health practices and determine the applicability of regulatory limitations prior to use.
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Designation: E1086 − 08
StandardTest Method for
Atomic Emission Vacuum Spectrometric Analysis of
1
Stainless Steel by Point-to-Plane Excitation Technique
This standard is issued under the fixed designation E1086; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 2. Referenced Documents
2 3
1.1 This test method covers for the atomic emission 2.1 ASTM Standards:
vacuum spectrometric analysis of stainless steel in solid form E135 Terminology Relating to Analytical Chemistry for
by the point-to-plane excitation technique for the following Metals, Ores, and Related Materials
elements in the concentration ranges shown: E158 Practice for Fundamental Calculations to Convert
Intensities into Concentrations in Optical Emission Spec-
Element Concentration Range, %
4
Chromium 17.0 to 23.0
trochemical Analysis (Withdrawn 2004)
Nickel 7.5 to 13.0
E172 Practice for Describing and Specifying the Excitation
Molybdenum 0.01 to 3.0
SourceinEmissionSpectrochemicalAnalysis(Withdrawn
Manganese 0.01 to 2.0
4
Silicon 0.01 to 0.90
2001)
Copper 0.01 to 0.30
E305 Practice for Establishing and Controlling Atomic
Carbon 0.005 to 0.25
Emission Spectrochemical Analytical Curves
Phosphorus 0.003 to 0.15
Sulfur 0.003 to 0.065
E406 Practice for Using Controlled Atmospheres in Spec-
trochemical Analysis
1.2 This test method is designed for the routine analysis of
E876 Practice for Use of Statistics in the Evaluation of
chill-cast disks or inspection testing of stainless steel samples
4
Spectrometric Data (Withdrawn 2003)
that have a flat surface of at least 13 mm (0.5 in.) in diameter.
E1060 Practice for Interlaboratory Testing of Spectrochemi-
The samples must be sufficiently massive to prevent overheat-
4
cal Methods of Analysis (Withdrawn 1997)
ing during the discharge and of a similar metallurgical condi-
E1601 Practice for Conducting an Interlaboratory Study to
tion and composition as the reference materials.
Evaluate the Performance of an Analytical Method
1.3 Analytical curves are plotted using the concentration
E1806 Practice for Sampling Steel and Iron for Determina-
ratio method as shown in Practice E158. One or more of the
tion of Chemical Composition
reference materials must closely approximate the composition
of the specimen. The technique of analyzing reference mate-
3. Terminology
rials along with unknowns and performing the indicated
3.1 Definitions—For definitions of terms used in this test
mathematical corrections may also be used to correct for
method, refer to Terminology E135.
interference effects and to compensate for errors resulting from
instrument drift.Avariety of such systems are commonly used.
4. Summary of Test Method
Anyofthesethatwillachieveanalyticalaccuracyequivalentto
that reported for this test method are acceptable.
4.1 A controlled discharge is produced between the flat
surface of the specimen and the counter electrode. The radiant
1.4 This standard does not purport to address all of the
energy of selected analytical lines are converted into electrical
safety concerns, if any, associated with its use. It is the
energiesbyphotomultipliertubesandstoredoncapacitors.The
responsibility of the user of this standard to establish appro-
discharge is terminated at a predetermined level of accumu-
priate safety and health practices and determine the applica-
lated radiant energy from the internal standard iron line or after
bility of regulatory limitations prior to use.
a fixed exposure time. At the end of the exposure period, the
1
This test method is under the jurisdiction of ASTM Committee E01 on
Analytical Chemistry for Metals, Ores, and Related Materials and is the direct
3
responsibility of Subcommittee E01.01 on Iron, Steel, and Ferroalloys. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Oct. 1, 2008. Published November 2008. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1985. Last previous edition approved in 2005 as E1086 – 94 (2005). Standards volume information, refer to the standard’s Document Summary page on
DOI: 10.1520/E1086-08. the ASTM website.
2 4
Supporting data have been filed at ASTM International Headquarters and may The last approved version of this historical standard is referenced on
be obtained by requesting Research Report RR:E02-1023. www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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E1086 − 08
TABLE 1 Analytical and Internal Standard Lines
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This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:E1086–94 (Reapproved 2005) Designation:E1086–08
Standard Test Method for
OpticalAtomic Emission Vacuum Spectrometric Analysis of
1
Stainless Steel by Point-to-Plane Excitation Technique
This standard is issued under the fixed designation E 1086; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
2
1.1 This test method covers for the opticalatomic emission vacuum spectrometric analysis of stainless steel in solid form by
the point-to-plane excitation technique for the following elements in the concentration ranges shown:
Element Concentration Range, %
Chromium 17.0 to 23.0
Nickel 7.5 to 13.0
Molybdenum 0.01 to 3.0
Manganese 0.01 to 2.0
Silicon 0.01 to 0.90
Copper 0.01 to 0.30
Carbon 0.005 to 0.25
Phosphorus 0.003 to 0.15
Sulfur 0.003 to 0.065
1.2 This test method is designed for the routine analysis of chill-cast disks or inspection testing of stainless steel samples that
have a flat surface of at least 13 mm (0.5 in.) in diameter. The samples must be sufficiently massive to prevent overheating during
the discharge and of a similar metallurgical condition and composition as the reference materials.
1.3 Analytical curves are plotted using the concentration ratio method as shown in Practice E 158. One or more of the reference
materials must closely approximate the composition of the specimen. The technique of analyzing reference materials along with
unknowns and performing the indicated mathematical corrections may also be used to correct for interference effects and to
compensate for errors resulting from instrument drift.Avariety of such systems are commonly used.Any of these that will achieve
analytical accuracy equivalent to that reported for this test method are acceptable.
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 and health practices and determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
3
2.1 ASTM Standards:
E 135 Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials
E 158 Practice for Fundamental Calculations to Convert Intensities into Concentrations in Optical Emission Spectrochemical
Analysis
E 172 Practice for Describing and Specifying the Excitation Source in Emission Spectrochemical Analysis
E 305 Practice for Establishing and Controlling Atomic Emission Spectrochemical Analytical Curves
E 406 Practice for Using Controlled Atmospheres in Spectrochemical Analysis
E 876 Practice for Use of Statistics in the Evaluation of Spectrometric Data
4
E 1060Practice for Interlaboratory Testing of Spectrochemical Methods of Analysis Practice for Interlaboratory Testing of
4
Spectrochemical Methods of Analysis (Discontinued 1997) Replaced by E 1601
E 1601 Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method
E 1806 Practice for Sampling Steel and Iron for Determination of Chemical Composition
1
This test method is under the jurisdiction of ASTM Committee E01 on Analytical Chemistry for Metals, Ores, and Related Materials and is the direct responsibility of
Subcommittee E01.01 on Iron, Steel, and Ferroalloys.
Current edition approved Jan.Oct. 1, 2005.2008. Published March 2005.November 2008. Originally approved in 1985. Last previous edition approved in 20002005 as
E 1086 – 94 (20005).
2
Supporting data have been filed at ASTM International Headquarters and may be obtained by requesting Research Report RR: E02-1023.
3
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
4
Withdrawn. The last approved version of this historical standard is referenced on www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
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E1086–08
3. Terminology
3.1 Definitions—For definitions of terms used in this test method, refer to Terminology E 135.
4. Summary of Test Method
4.1 A controlled discharge is produced between the flat surface of the specimen and t
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