1、Designation:E101911Standard Test Methods forDetermination of Carbon,Sulfur,Nitrogen,and Oxygen inSteel,Iron,Nickel,and Cobalt Alloys by VariousCombustion and Fusion Techniques1This standard is issued under the fixed designation E1019;the number immediately following the designation indicates the yea
2、r oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department
3、 of Defense.1.Scope1.1 These test methods cover the determination of carbon,sulfur,nitrogen,and oxygen,in steel,iron,nickel,and cobaltalloys having chemical compositions within the followinglimits:ElementConcentration Range,%Aluminum0.001 to 18.00Antimony0.002 to 0.03Arsenic0.0005 to 0.10Beryllium0.
4、001 to 0.05Bismuth0.001 to 0.50Boron0.0005 to 1.00Cadmium0.001 to 0.005Calcium0.001 to 0.05Carbon0.001 to 4.50Cerium0.005 to 0.05Chromium0.005 to 35.00Cobalt0.01 to 75.0Niobium0.002 to 6.00Copper0.005 to 10.00Hydrogen0.0001 to 0.0030Iron0.01 to 100.0Lead0.001 to 0.50Magnesium0.001 to 0.05Manganese0.
5、01 to 20.0Molybdenum0.002 to 30.00Nickel0.005 to 84.00Nitrogen0.0005 to 0.50Oxygen0.0005 to 0.03Phosphorus0.001 to 0.90Selenium0.001 to 0.50Silicon0.001 to 6.00Sulfur(Metal ReferenceMaterials)0.002 to 0.35Sulfur(Potassium Sulfate)0.001 to 0.600Tantalum0.001 to 10.00Tellurium0.001 to 0.35Tin0.002 to
6、0.35Titanium0.002 to 5.00Tungsten0.005 to 21.00Vanadium0.005 to 5.50Zinc0.005 to 0.20Zirconium0.005 to 2.5001.2 The test methods appear in the following order:SectionsCarbon,Total,by the CombustionInstrumental MeasurementTest Method10 20Nitrogen by the Inert Gas FusionThermal ConductivityTest Method
7、32 42Oxygen by the Inert Gas Fusion Test Method43 54Sulfur by the Combustion-Infrared Absorption Test Method(Calibration with Metal Reference Materials)55 65Sulfur by the CombustionInfrared Absorption Test Method(Potassium Sulfate Calibration)21 311.3 The values stated in SI units are to be regarded
8、 asstandard.No other units of measurement are included in thisstandard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the a
9、pplica-bility of regulatory limitations prior to use.Specific hazardsstatements are given in Section 6.2.Referenced Documents2.1 ASTM Standards:2D1193 Specification for Reagent WaterE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE50 Practices for Ap
10、paratus,Reagents,and Safety Consid-erations for Chemical Analysis of Metals,Ores,andRelated MaterialsE135 Terminology Relating to Analytical Chemistry forMetals,Ores,and Related MaterialsE173 Practice for Conducting Interlaboratory Studies ofMethods for Chemical Analysis of Metals(Withdrawn1998)31Th
11、ese test methods are under the jurisdiction of ASTM Committee E01 onAnalytical Chemistry for Metals,Ores,and Related Materials and are the directresponsibility of Subcommittee E01.01 on Iron,Steel,and Ferroalloys.Current edition approved March 15,2011.Published June 2011.Originallyapproved in 1984.L
12、ast previous edition approved in 2008 as E1019 08.DOI:10.1520/E1019-11.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM web
13、site.3The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 E1601 Practice for Conducting an Interlaboratory Study toEvaluate the Performance of an Analytical Me
14、thodE1806 Practice for Sampling Steel and Iron for Determina-tion of Chemical Composition3.Terminology3.1 For definition of terms used in this test method,refer toTerminology E135.4.Significance and Use4.1 These test methods for the chemical analysis of metalsand alloys are primarily intended to tes
15、t such materials forcompliance with compositional specifications.It is assumedthat all who use these test methods will be trained analysts,capable of performing common laboratory procedures skill-fully and safely.It is expected that work will be performed ina properly equipped laboratory.5.Apparatus
16、 and Reagents5.1 Apparatus and reagents required for each determinationare listed in separate sections preceding the procedure.6.Hazards6.1 For hazards to be observed in the use of certain reagentsin this test method,refer to Practices E50.6.2 Use care when handling hot crucibles and operatingfurnaces to avoid personal injury by either burn or electricalshock.7.Sampling7.1 For procedures for sampling the materials,refer to thoseparts of Practice E1806.8.Rounding Calculated Values8.1 Calculated v