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    ASTM B30 - 20

    Standard Specification for Copper Alloys in Ingot and Other Remelt Forms

    Active Standard ASTM B30 | Developed by Subcommittee: B05.05

    Book of Standards Volume: 02.01

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    Abstract

    This specification establishes the requirements for copper alloys in ingot form that shall be subjected to remelting for the manufacture of castings having the Copper Alloy UNS No. designations specified and enumerated herein. Any material and manufacturing process may be used so long as the alloy is of the required composition and mechanical characteristics, and the yielded ingot is free of defects of a kind that would render it unsuitable for remelting. Materials shall hence be sampled, prepared, and tested accordingly to examine their conformance to mechanical, chemical composition, and weldability requirements.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 This specification establishes the requirements for copper alloys in ingot and other forms including granules, nuggets, pellets, or shot for remelting for the manufacturing of castings having the Copper Alloy UNS No. designation, commercial designations and nominal composition shown in Table 1 and Table 2. Product delivered in forms other than ingot shall be upon agreement between the supplier and purchaser.

    1.2 A cross reference of Copper Alloy UNS Nos. and copper alloy casting specifications is given in Table 3.

    1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

    1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


    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

    B61 Specification for Steam or Valve Bronze Castings

    B62 Specification for Composition Bronze or Ounce Metal Castings

    B66 Specification for Bronze Castings for Steam Locomotive Wearing Parts

    B67 Specification for Car and Tender Journal Bearings, Lined

    B148 Specification for Aluminum-Bronze Sand Castings

    B176 Specification for Copper-Alloy Die Castings

    B194 Specification for Copper-Beryllium Alloy Plate, Sheet, Strip, and Rolled Bar

    B208 Practice for Preparing Tension Test Specimens for Copper Alloy Sand, Permanent Mold, Centrifugal, and Continuous Castings

    B271/B271M Specification for Copper-Base Alloy Centrifugal Castings

    B369 Specification for Copper-Nickel Alloy Castings

    B427 Specification for Gear Bronze Alloy Castings

    B505/B505M Specification for Copper Alloy Continuous Castings

    B584 Specification for Copper Alloy Sand Castings for General Applications

    B770 Specification for Copper-Beryllium Alloy Sand Castings for General Applications

    B806 Specification for Copper Alloy Permanent Mold Castings for General Applications

    E8/E8M Test Methods for Tension Testing of Metallic Materials

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

    E54 Test Methods for Chemical Analysis of Special Brasses and Bronzes

    E62 Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods)

    E76 Test Methods for Chemical Analysis of Nickel-Copper Alloys

    E255 Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition

    E478 Test Methods for Chemical Analysis of Copper Alloys

    E581 Test Methods for Chemical Analysis of Manganese-Copper Alloys

    JIS Standard

    JIS H1068

    ICS Code

    ICS Number Code 77.150.30 (Copper products)

    Referencing This Standard
    Link Here
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    DOI: 10.1520/B0030-20

    Citation Format

    ASTM B30-20, Standard Specification for Copper Alloys in Ingot and Other Remelt Forms, ASTM International, West Conshohocken, PA, 2020, www.astm.org

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