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PTB-13 : 2021
Criteria for Pressure Retaining Metallic Components Using Additive Manufacturing

Criteria for Pressure Retaining Metallic Components Using Additive Manufacturing

Document No. PTB-13 Document Year 2021
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This document is published by American Society of Mechanical Engineers (ASME)

Standard Details

SCOPE

(a) These criteria address the construction of pressure retaining component using the AM Powder BedFusion process using both Laser and Electron Beam energy sources.

(b) Additively Manufactured components shall meet the requirements of the applicable ASMEConstruction Code or Standard in addition to these criteria.

(c) Hybrid construction incorporating AM components joined (welded or brazed) to non-AM componentsis acceptable. Additive manufactured components joined to other AM components or non-AMcomponents shall follow the requirements of the applicable ASME Construction Code or Standard.

(d) The maximum design temperature shall be at least 50°F (25°C) colder than the temperature where timedependentmaterial properties begin to govern for the equivalent wrought ASME material specification,as indicated in ASME Section II, Part D [1].

(e) The materials allowed for use in powder bed fusion under these criteria include:

(1) austenitic stainless-steel alloys; and

(2) nonferrous alloys

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