
S151 / S151D (Jethete M152 / MSRR 6503) , UNS S64152
S151 / S151D (Jethete M152 / MSRR 6503) Stainless Steel, creep and corrosion-resistant stainless steel, use for turbine blades, discs, fasteners (bolts/screws)

1.4938, X12CrNiMoV12-3, UNS S64152, Z12CNDV12-03
1.4938/X12CrNiMoV12-3 represents a premium martensitic stainless steel specifically developed for critical high-temperature applications in turbines and aerospace