https://saemobilus.sae.org/standards/ams5853b-steel-corrosion-heat-resistant-bars-wire-15cr-255ni-12mo-21ti-0006b-030v-consumable-electrode-melted-1800-f-982-c-solution-treated-work-strengthened-160-ksi-1103-mpa-tensile-strength
AMS5853B: Steel, Corrosion and Heat Resistant, Bars and Wire 15Cr - 25.5Ni - 1.2Mo - 2.1Ti - 0.006B...