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This specification covers a heat-resistant titanium alloy in the form of pre-alloyed powder.

This specification covers metal products fabricated by laser deposition.

The intended upper bound of this specification is that the particle size distribution (PSD) of powders supplied shall be <60 mesh (250 microns) and that no powder (0.0 wt.%) greater than 40 mesh (425 microns) is allowed.

This SAE Aerospace Recommended Practice (ARP) outlines a development, design/repair, and industrial guidance for systems using additive manufacturing (AM) to respond to aircraft requirement specifications. These recommendations reflect procedures that have been effective for designing/repairing metallic alloy components.

This specification is to prescribe process requirements for production (from raw materials through preparation for shipment, see 8.6) of metal powder feedstock for use in additive manufacturing of aerospace parts. This specification covers requirements for the production of metal powder for use as feedstock in additive manufacturing. Such powders may be pre-alloyed or commercially pure. This specification is not limited to a specific powder production method. It is intended to define those procedures and requirements necessary to achieve required cleanliness and performance of metal powder feedstock to be used in the manufacture of aerospace parts. This specification is intended to be used in conjunction with AMS powder specifications for additive manufacturing.

This specification is to prescribe process requirements for production of metal powder feedstock for use in additive manufacturing of aerospace parts.

The intended upper bound of this specification is that the particle size distribution (PSD) of powders supplied shall be <60 mesh (250 µm) and that no powder (0.0 wt.%) greater than 40 mesh (425 µm) is allowed.

This specification covers particle size classifications and corresponding particle size distribution requirements for metal powder feedstock conforming to a classification.

This specification covers a heat-resistant gamma titanium aluminide alloy in the form of pre-alloyed powder.

This specification prescribes process requirements for batch processing of used, metal powder originating from an existing additive manufacturing process workflow for reuse in subsequent additive manufacturing of aerospace parts in non-closed loop additive manufacturing machines. Such powders may be pre-alloyed or commercially pure. This specification is not limited to a specific additive manufacturing process workflow as the originating source of material to be reused. It is intended to define those procedures and requirements necessary to achieve required cleanliness and performance of metal powder feedstock to be reintroduced into the same additive manufacturing process from which such powder originated. This specification is intended to be used in conjunction with relevant AMS powder specifications and AMS process specifications for additive manufacturing.