ASTM E415-21 PDF
Standard Test Method for Analysis of Carbon and Low-Alloy Steel by Spark Atomic Emission Spectrometry
Standard Test Method for Analysis of Carbon and Low-Alloy Steel by Spark Atomic Emission Spectrometry
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 12
- Дата публикации:
- 1 октября 2021 г.
- Издание:
- E415
- ICS:
- 77.080.20
SIGNIFICANCE AND USE 5.1 This test method for the spectrometric analysis of metals and alloys is primarily intended to test such materials for compliance with compositional specifications. It is assumed that all who use this test method will be analysts capable of performing common laboratory procedures skillfully and safely. It is expected that work will be performed in a properly equipped laboratory. SCOPE 1.1 This test method covers the simultaneous determination of 21 alloying and residual elements in carbon and low-alloy steels by spark atomic emission vacuum spectrometry in the mass fraction ranges shown Note 1. Element Composition Range, % Applicable Range, Mass Fraction %A Quantitative Range, Mass Fraction %B Aluminum 0 to 0.093 0.006 to 0.093 Antimony 0 to 0.027 0.006 to 0.027 Arsenic 0 to 0.1 0.003 to 0.1 Boron 0 to 0.007 0.0004 to 0.007 Calcium 0 to 0.003 0.002 to 0.003 Carbon 0 to 1.1 0.02 to 1.1 Chromium 0 to 8.2 0.007 to 8.14 Cobalt 0 to 0.20 0.006 to 0.20 Copper 0 to 0.5 0.006 to 0.5 LeadC 0 to 0.2 0.002 to 0.2 Manganese 0 to 2.0 0.03 to 2.0 Molybdenum 0 to 1.3 0.007 to 1.3 Nickel 0 to 5.0 0.006 to 5.0 Niobium 0 to 0.12 0.003 to 0.12 Nitrogen 0 to 0.015 0.01 to 0.055 Phosphorous 0 to 0.085 0.006 to 0.085 Silicon 0 to 1.54 0.02 to 1.54 Sulfur 0 to 0.055 0.001 to 0.055 Tin 0 to 0.061 0.005 to 0.061 Titanium 0 to 0.2 0.001 to 0.2 Vanadium 0 to 0.3 0.003 to 0.3 Zirconium 0 to 0.05 0.01 to 0.05 Note 1: The mass fraction ranges of the elements listed have been established through cooperative testing2 of reference materials. 1.2 This test method covers analysis of specimens having a diameter adequate to overlap and seal the bore of the spark stand opening. The specimen thickness can vary significantly according to the design of the spectrometer stand, but a thickness between 10 mm and 38 mm has been found to be most practical. 1.3 This test method covers the routine control analysis in iron and steelmaking operations and the analysis of processed material. It is designed for chill-cast, rolled, and forged specimens. Better performance is expected when reference materials and specimens are of similar metallurgical condition and composition. However, it is not required for all applications of 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. 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.
Abstract
Overview
ASTM E415-21 is an internationally recognized standard test method developed by ASTM International for the analysis of carbon and low-alloy steels using spark atomic emission spectrometry (SAES). This standard provides procedures for determining the chemical composition of up to 21 alloying and residual elements in steel by means of simultaneous spectrometric analysis. Designed for application in laboratories with the necessary equipment and skilled analysts, ASTM E415-21 plays a crucial role in ensuring that steel products conform to compositional specifications required for industrial, structural, and manufacturing applications.
Key Topics
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Scope and Elements Analyzed ASTM E415-21 covers the analysis of carbon and low-alloy steel samples, handling a broad range of element concentrations. The standard allows precise, simultaneous measurement of elements including carbon, manganese, silicon, chromium, nickel, molybdenum, copper, vanadium, titanium, and more, ensuring a comprehensive chemical profile.
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Sample Requirements Specimens should have a diameter adequate to seal the spark stand opening and a thickness typically between 10 mm and 38 mm. The test is suitable for chill-cast, rolled, and forged steel forms.
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Spectrometric Methodology The procedure utilizes spark discharge between the sample and an electrode to excite atoms, with resulting emissions measured by a spectrometer. This technique supports routine control analysis in iron and steelmaking, and is optimized for use with certified reference materials for calibration and standardization.
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Quality Control The method emphasizes the importance of proper laboratory practices and regular instrument verification and standardization to maintain accuracy and repeatability. Reference materials and verification protocols help ensure data quality and regulatory compliance.
Applications
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Routine Quality Control in Steel Production ASTM E415-21 enables rapid, accurate compositional checks during steelmaking and material processing, reducing production errors and ensuring materials meet required specifications.
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Product Certification and Compliance Manufacturers, quality assurance teams, and third-party labs rely on this standard to verify product chemistry for compliance with customer and regulatory requirements, facilitating traceability and market access.
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Metallurgical Research The standard is also used in research and development to optimize alloy formulations, investigate performance characteristics, and support innovation in steel grades.
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Supply Chain Verification By adopting ASTM E415-21, organizations across the supply chain can ensure consistency of raw materials and finished products, supporting global sourcing and standardized assessment practices.
Related Standards
Several other ASTM standards are commonly cited alongside or used in conjunction with ASTM E415-21 to ensure comprehensive metal analysis and laboratory quality control. Key related standards include:
- ASTM E29 - Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
- ASTM E350 - Test Methods for Chemical Analysis of Carbon Steel, Low-Alloy Steel, Silicon Electrical Steel, Ingot Iron, and Wrought Iron
- ASTM E406 - Practice for Using Controlled Atmospheres in Atomic Emission Spectrometry
- ASTM E1806 - Practice for Sampling Steel and Iron for Determination of Chemical Composition
- ASTM E1019 - 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
- ASTM E305 - Practice for Establishing and Controlling Spark Atomic Emission Spectrochemical Analytical Curves
Summary
ASTM E415-21 remains a foundational document supporting the chemical analysis of carbon and low-alloy steels by spark atomic emission spectrometry. Its rigorous approach to specimen handling, calibration, verification, and reporting ensures reliable and internationally accepted analytical results. Adhering to this standard benefits manufacturers, laboratories, and regulators by supporting product quality, traceability, and compliance throughout the global steel industry.
Keywords: ASTM E415-21, spark atomic emission spectrometry, alloy steel analysis, carbon steel analysis, steel composition, spectrometric analysis, laboratory standards, metal analysis, compositional specification, quality control.
Технические детали
- Технический комитет
- E01 - Analytical Chemistry for Metals, Ores, and Related Materials
- SKU
- ASTM E415-21
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