ASTM E351 - 13

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

    Active Standard ASTM E351 | Developed by Subcommittee: E01.01

    Book of Standards Volume: 03.05


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    Significance and Use

    4.1 These test methods for the chemical analysis of metals and alloys are primarily intended as referee methods to test such materials for compliance with compositional specifications, particularly those under the jurisdiction of ASTM Committee A04 on Iron Castings. It is assumed that all who use these test methods will be trained analysts capable of performing common laboratory procedures skillfully and safely. It is expected that work will be performed in a properly equipped laboratory under appropriate quality control practices such as those described in Guide E882.

    1. Scope

    1.1 These test methods cover the chemical analysis of pig iron, gray cast iron (including alloy and austenitic), white cast iron, malleable cast iron, and ductile (nodular) iron having chemical compositions within the following limits:

    Element

    Composition Range, %

     

    Aluminum

    0.003 to  0.50

    Antimony

    0.005 to  0.03

    Arsenic

    0.02  to  0.10

    Bismuth

    0.001 to  0.03

    Boron

    0.001 to  0.10

    Cadmium

    0.001 to 0.005

    Carbon

    1.25  to  4.50

    Cerium

    0.005 to  0.05

    Chromium

    0.01  to 30.00

    Cobalt

    0.01  to  4.50

    Copper

    0.03  to  7.50

    Lead

    0.001 to  0.15

    Magnesium

    0.002 to  0.10

    Manganese

    0.06  to  2.50

    Molybdenum

    0.01  to  5.00

    Nickel

    0.01  to 36.00

    Phosphorus

    0.01  to  0.90

    Selenium

    0.001 to  0.06

    Silicon

    0.10 to 6.0   

    Sulfur

    0.005 to  0.25

    Tellurium

    0.001 to  0.35

    Tin

    0.001 to  0.35

    Titanium

    0.001 to  0.20

    Tungsten

    0.001 to  0.20

    Vanadium

    0.005 to  0.50

    Zinc

    0.005 to  0.20


    1.2 The test methods in this standard are contained in the sections indicated below:

     

    Sections

     

    Carbon, Graphitic, by the Direct Combustion Infrared Absorption Method (1 % to 3 %)

    108

    Carbon, Total by the Combustion Gravimetric Method (1.25 % to 4.50 %)—Discontinued

     97

    Cerium and Lanthanum by the Direct Current Plasma Atomic Emission Spectrometry Method (Ce: 0.003 % to 0.5 %; La: 0.001 % to 0.30 %)

    237

    Chromium by the Atomic Absorption Method (0.006 % to 1.00 %)

    208

    Chromium by the Peroxydisulfate Oxidation—Titration Method (0.006 % to 1.00 %)

    218

    Chromium by the Peroxydisulfate-Oxidation Titrimetric Method (0.05 % to 30.0 %)—Discontinued

    Cobalt by the Ion-Exchange—Potentiometric Titration Method (2.0 % to 4.5 %)

     53

    Cobalt by the Nitroso-R-Salt Spectrophotometric Method (0.01 % to 4.50 %)

     61

    Copper by the Neocuproine Spectrophotometric Method (0.03 % to 7.5 %)

    116

    Copper by the Sulfide Precipitation-Electrodeposition Gravimetric Method (0.03 % to 7.5 %)

     81

    Lead by the Ion-Exchange—Atomic Absorption Method (0.001 % to 0.15 %)

    126

    Magnesium by the Atomic Absorption Method (0.002 % to 0.10 %)

     71

    Manganese by the Periodate Spectrophotometric Method (0.10 % to 2.00 %)

      8

    Manganese by the Peroxydisulfate-Arsenite Titrimetric Method (0.10 % to 3.5 %)

    152

    Molybdenum by the Ion Exchange–8-Hydroxyquinoline Gravimetric Method

    257

    Molybdenum by the Spectrophotometric Method (0.01 % to 1.5 %)

    196

    Nickel by the Dimethylglyoxime Gravimetric Method (0.1 % to 36.00 %)

    168

    Nickel by the Ion Exchange-Atomic Absorption Method (0.005 % to 1.00 %)

    176

    Phosphorus by the Alkalimetric Method (0.02 % to 0.90 %)

    160

    Phosphorus by the Molybdenum Blue Spectrophotometric Method (0.02 % to 0.90 %)

     18

    Silicon by the Gravimetric Method (0.1 % to 6.0 %)

     46

    Sulfur by the Gravimetric Method—Discontinued

     30

    Sulfur by the Combustion-Iodate Titration Method (0.005 % to 0.25 %)—Discontinued

     37

    Sulfur by the Chromatographic Gravimetric Method—Discontinued

    Tin by the Solvent Extraction-Atomic Absorption Method (0.002 % to 0.10 %) 

    186

    Tin by the Sulfide-Iodometric Titration Method (0.01 % to 0.35 %) 

     89

    Titanium, Total, by the Diantipyrylmethane Spectrophotometric Method (0.006 % to 0.35 %) 

    246

    Vanadium by the Atomic Absorption Method (0.006 % to 0.15 %) 

    227


    1.3 Procedures for the determination of carbon and sulfur not included in these test methods can be found in Test Methods E1019.

    1.4 Some of the composition ranges given in 1.1 are too broad to be covered by a single method and therefore this standard contains multiple methods for some elements. The user must select the proper method by matching the information given in the Scope and Interference sections of each method with the composition of the alloy to be analyzed.

    1.5 The values stated in SI units are to be regarded as standard.

    1.6 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. Specific hazards statements are given in Section 6 and in special “Warning” paragraphs throughout these Methods.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D1193 Specification for Reagent Water

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

    E50 Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials

    E60 Practice for Analysis of Metals, Ores, and Related Materials by Spectrophotometry

    E135 Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials

    E173 Practice for Conducting Interlaboratory Studies of Methods for Chemical Analysis of Metals

    E350 Test Methods for Chemical Analysis of Carbon Steel, Low-Alloy Steel, Silicon Electrical Steel, Ingot Iron, and Wrought Iron

    E352 Test Methods for Chemical Analysis of Tool Steels and Other Similar Medium- and High-Alloy Steels

    E353 Test Methods for Chemical Analysis of Stainless, Heat-Resisting, Maraging, and Other Similar Chromium-Nickel-Iron Alloys

    E882 Guide for Accountability and Quality Control in the Chemical Analysis Laboratory

    E1019 Test Methods for Determination of Carbon, Sulfur, Nitrogen, and Oxygen in Steel, Iron, Nickel, and Cobalt Alloys by Various Combustion and Fusion Techniques

    E1024 Guide for Chemical Analysis of Metals and Metal Bearing Ores by Flame Atomic Absorption Spectrophotometry

    E1806 Practice for Sampling Steel and Iron for Determination of Chemical Composition


    ICS Code

    ICS Number Code 77.040.30 (Chemical analysis of metals)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/E0351-13

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