ASTM E363 - 09

    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

    These test methods for the chemical analysis of metals and alloys are primarily intended to test such materials for compliance with compositional specifications such as Specification 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:

    ElementConcentration, %
    Aluminum0.25 max
    Antimony0.005 max
    Arsenic0.005 max
    Bismuth0.005 max
    Boron0.005 max
    Carbon9.00 max
    Chromium 51.0 to 99.5
    Cobalt0.10 max
    Columbium0.05 max
    Copper0.05 max
    Lead0.005 max
    Manganese0.75 max
    Molybdenum0.05 max
    Nickel0.50 max
    Nitrogen6.00 max
    Phosphorus0.03 max
    Silicon12.00 max
    Silver0.005 max
    Sulfur0.07 max
    Tantalum0.05 max
    Tin0.005 max
    Titanium0.50 max
    Vanadium0.50 max
    Zinc0.005 max
    Zirconium0.05 max

    1.2 The analytical procedures appear in the following order:

    Arsenic by the Molybdenum Blue Photometric Test Method
    [0.001 % to 0.005 %]
    Lead by the Dithizone Photometric Test Method
    [0.001 % to 0.05 %]
    Chromium by the Sodium Peroxide Fusion-Titrimetric Test Method
    [50 % to 75 %]

    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.

    10.1 This test method covers the determination of arsenic in chromium and ferrochromium in concentrations from 0.001 % to 0.005 %.

    21.1 This test method covers the determination of lead in chromium and ferrochromium in concentrations from 0.001 % to 0.05 %.

    32.1 This test method covers the determination of chromium in all carbon grades of ferrochromium in concentrations from 50 % to 75 %.

    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

    DOI: 10.1520/E0363-09

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM E363-09, Standard Test Methods for Chemical Analysis of Chromium and Ferrochromium, ASTM International, West Conshohocken, PA, 2009,

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