ASTM E363 - 16

    Standard Test Methods for Chemical Analysis of Chromium and Ferrochromium

    Active Standard ASTM E363 | 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 chromium metal and ferrochromium alloy are primarily intended to test such materials for compliance with compositional specifications such as Specifications A101 and A481. 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.

    1. Scope

    1.1 These test methods cover the chemical analysis of chromium and ferrochromium having chemical compositions within the following limits:

     

    Element

    Composition, %

     

    Aluminum

    0.25 max

     

    Antimony

    0.005 max

     

    Arsenic

    0.005 max

     

    Bismuth

    0.005 max

     

    Boron

    0.005 max

     

    Carbon

    9.00 max

     

    Chromium

      51.0 to 99.5

     

    Cobalt

    0.10 max

     

    Columbium

    0.05 max

     

    Copper

    0.05 max

     

    Lead

    0.005 max

     

    Manganese

    0.75 max

     

    Molybdenum

    0.05 max

     

    Nickel

    0.50 max

     

    Nitrogen

    6.00 max

     

    Phosphorus

    0.03 max

     

    Silicon

    12.00 max

     

    Silver

    0.005 max

     

    Sulfur

    0.07 max

     

    Tantalum

    0.05 max

     

    Tin

    0.005 max

     

    Titanium

    0.50 max

     

    Vanadium

    0.50 max

     

    Zinc

    0.005 max

     

    Zirconium

    0.05 max

    1.2 The analytical procedures appear in the following order:

     

    Sections

    Arsenic by the Molybdenum Blue Spectrophotometric Test Method
     [0.001 % to 0.005 %]

    10 – 20

    Lead by the Dithizone Spectrophotometric Test Method
     [0.001 % to 0.05 %]

    21 – 31

    Chromium by the Sodium Peroxide Fusion-Titrimetric Test Method
     [50 % to 75 %]

    32 – 38

    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 whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Section 6 and in special ”Warning” paragraphs throughout these test 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

    A101 Specification for Ferrochromium

    A481 Specification for Chromium Metal

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

    E32 Practices for Sampling Ferroalloys and Steel Additives for Determination of Chemical Composition

    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

    E1601 Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method


    ICS Code

    ICS Number Code 77.040.30 (Chemical analysis of metals)

    UNSPSC Code

    UNSPSC Code 12141709(Chromium Cr); 11101712(Ferrous alloy)


    Referencing This Standard
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    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/E0363-16

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM E363-16, Standard Test Methods for Chemical Analysis of Chromium and Ferrochromium, ASTM International, West Conshohocken, PA, 2016, www.astm.org

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