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The abbreviation PM in HSS-PM does not refer to the alloying constituents of the high speed steel, but to the method of manufacture. The liquid steel melt is atomized by means of nitrogen. The powder is then hot isostatically pressed (so-called HIP process) and then brought into the respective shape by forging and rolling as in conventional steel production. The advantages of steel result from the more uniform and finer carbide distribution (carbide = hard materials in steel). This makes the material easier to machine. In application, however, it is still wear-resistant and has a high hot hardness.
TripleCoatings3® - version = CrN + AlTiCrN + nc-AlCr-Si3N4 high wear and heat resistance (1100/900 °C) tough core, hard skin wide application range with high performance for machining of super alloys under difficult conditions e.g.friction welding, injection and plastic molding
