ASTM WK33833

    Work Item: ASTM WK33833 - New Specification for Additive Manufacturing Cobalt-28 Chromium-6 Molybdenum with Powder Bed Fusion

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    Developed by Subcommittee: F42.05 | Committee F42 | Contact Staff Manager



    1. Scope

    1. Scope 1.1 This specification covers additively manufactured CoCrMo alloy UNS R30075 components using full melt powder bed fusion such as electron beam melting and laser melting. The components produced by these processes are used typically in applications that require mechanical properties similar to machined forgings and wrought products. Components manufactured to this specification are often, but not necessarily, post processed via machining, grinding, EDM, polishing, etc. to achieve desired surface finish and critical dimensions. 1.2 This specification is intended for use of purchasers and /or producers of additively manufactured CoCrMo alloy UNS R30075 components for defining the requirements and assuring component properties. 1.3 Users are advised to use the specification as a basis for obtaining components which will meet the minimum acceptance requirements established and revised by consensus of the members of the committee. 1.4 User requirements considered more stringent may be met by the addition to the purchase order of one or more supplementary requirements, which may include, but are not limited to, those listed in supplementary section S1 through S10. 1.5 Units - The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-lb units that are provided for information only and are not considered standard. Temperatures are in Celsius.

    This alloy is used in aerospace applications as well as for medical implants. A specification is needed in order for component manufacturers and purchasers to agree on component properties, material composition and process.


    Keywords

    Additive Manufacturing:EBM:DMLS :SLM:F75

    The title and scope are in draft form and are under development within this ASTM Committee.

    Citing ASTM Standards
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    Work Item Status

    Date Initiated:
    06-23-2011

    Technical Contact:
    Stacey Kerwien

    Status:
    Draft Under Development