ASTM E1659 - 12

    Standard Test Methods for Coating Mass and Chemical Analysis of Zinc-Nickel Alloy Electrolytically Coated on Steel Sheet

    Active Standard ASTM E1659 | Developed by Subcommittee: E01.05

    Book of Standards Volume: 03.05

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    Significance and Use

    These test methods for the chemical analysis of zinc-nickel alloy coating on sheet steel are primarily intended as referee methods to test such materials for compliance with compositional specifications such as found in Specification A918, particularly those under the jurisdiction of ASTM Committee A05 on Metallic-Coated Iron and Steel Products. 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.

    These test methods must be applied twice, once to each side of the specimen if coating mass and composition are required for both sides of a coated sheet. Two separate specimens are required for this purpose.

    1. Scope

    1.1 These test methods cover independently the chemical analysis of each surface of zinc-nickel alloy electrolytically coated on steel sheet. The coatings have chemical compositions within the following limits:

    AnalyteConcentration Range
    Coating mass0.0 to 80 g/m2
    Nickel7.0 to 17.0 %

    1.2 These test methods are in the following sections:

    Coating mass, by the Weigh-Strip-Weigh Method
    (20.0 to 45.0 g/m2)
    Nickel by the Atomic Absorption Method (11.0 to 13.5 %
    of Coating mass Ranging from 20 to 45 g/m2)

    1.3 The values stated in SI units are to be regarded as standard. In some cases, exceptions allowed in Practice are also used.

    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 and health practices and determine the applicability of regulatory limitations prior to use.

    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

    A917 Specification for Steel Sheet, Coated by the Electrolytic Process for Applications Requiring Designation of the Coating Mass on Each Surface (General Requirements)

    A918 Specification for Steel Sheet, Zinc-Nickel Alloy Coated by the Electrolytic Process for Applications Requiring Designation of the Coating Mass on Each Surface

    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

    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

    E663 Practice for Flame Atomic Absorption Analysis

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

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

    E1452 Practice for Preparation of Calibration Solutions for Spectrophotometric and for Spectroscopic Atomic Analysis

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

    ICS Code

    ICS Number Code 25.220.40 (Metallic coatings)

    UNSPSC Code

    UNSPSC Code 30264100(Steel alloy sheets)

    DOI: 10.1520/E1659-12

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