1.1 These test methods cover the determination of carbon, sulfur, nitrogen, and oxygen, in steel, iron, nickel, and cobalt alloys having chemical compositions within the following limits: Element | Mass Fraction Range, % | Aluminum | 0.001 to 18.00 | Antimony | 0.002 to 0.03 | Arsenic | 0.0005 to 0.10 | Beryllium | 0.001 to 0.05 | Bismuth | 0.001 to 0.50 | Boron | 0.0005 to 1.00 | Cadmium | 0.001 to 0.005 | Calcium | 0.001 to 0.05 | Carbon | 0.001 to 4.50 | Cerium | 0.005 to 0.05 | Chromium | 0.005 to 35.00 | Cobalt | 0.01 to 75.0 | Niobium | 0.002 to 6.00 | Copper | 0.005 to 10.00 | Hydrogen | 0.0001 to 0.0030 | Iron | 0.01 to 100.0 | Lead | 0.001 to 0.50 | Magnesium | 0.001 to 0.05 | Manganese | 0.01 to 20.0 | Molybdenum | 0.002 to 30.00 | Nickel | 0.005 to 84.00 | Nitrogen | 0.0005 to 0.50 | Oxygen | 0.0005 to 0.03 | Phosphorus | 0.001 to 0.90 | Selenium | 0.001 to 0.50 | Silicon | 0.001 to 6.00 | Sulfur | 0.002 to 0.35 | Tantalum | 0.001 to 10.00 | Tellurium | 0.001 to 0.35 | Tin | 0.002 to 0.35 | Titanium | 0.002 to 5.00 | Tungsten | 0.005 to 21.00 | Vanadium | 0.005 to 5.50 | Zinc | 0.005 to 0.20 | Zirconium | 0.005 to 2.500 | 1.2 The test methods appear in the following order: | Sections | Carbon, Total, by the Combustion and Infrared Absorption or Thermal Conductivity Detection Test Method | 10 – 20 | | | Nitrogen by the Inert Gas Fusion and Thermal Conductivity Detection Test Method | 32 – 42 | | | Oxygen by the Inert Gas Fusion and Infrared Absorption or Thermal Conductivity Detection Test Method | 43 – 54 | | | Sulfur by the Combustion-Infrared Absorption Detection Test Method | 55 – 65 | | | Sulfur by the Combustion–Infrared Absorption Test Method (Potassium Sulfate Calibration) – Discontinued 2018 | 21 – 31 | 1.3 The values stated in SI units are to be 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. Specific hazards statements are given in Section 6. 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. |
E50-25 | Standard Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials |
E29-22 | Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications |
E1601-19 | Standard Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method |
E173-93 | Practice for Conducting Interlaboratory Studies of Methods for Chemical Analysis of Metals (Withdrawn 1997) |
E135-26 | Standard Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials |
D1193-24 | Standard Specification for Reagent Water |
E1806-23 | Standard Practice for Sampling Steel and Iron for Determination of Chemical Composition |
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