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.
SAE AMS7037-2021 history
2021SAE AMS7037-2021 Steel, Corrosion and Heat-Resistant, Powder for Additive Manufacturing, 17Cr - 13Ni - 2.5Mo (316L)