Bohler M390 Microclean Stainless Steel

BÖHLER M390 MICROCLEAN Stainless Steel is a martensitic chromium steel produced with powder metallurgy. Due to its alloying concept this steel offers extremely high wear resistance and high corrosion resistance – the perfect combination for best application properties.

M390 Stainless Steel combines the best of both worlds, creating a harder blade that is easily grindable and very tough. These characteristics make it perfect for outdoorsmen, such as hunters and fishermen.

Bohler’s M390 Superclean steel, unlike the previously mentioned steels, is extremely comparable to ELMAX, and many say out-performs it. Both steels are extremely corrosive resistant, and are very finely grained, clean, and pure metals. Both steels can take an amazingly sharp edge, and last at a high HRC.



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  • Good toughness & ductility
  • Very high wear resistance
  • Good machinability
  • Very good dimensional stability
  • Very good polish-ability
  • Good corrosion resistance
  • Very high micro-cleanliness


Stress Relieving: 650°C – 700°C for 15 minutes, leave to cool in furnace.

Hardening: 1100°C – 1180°C soak for 5 to 15 minutes, oil quench. The higher the temperature, the shorter the soak time.

Temper: 2 cycles of 2 hours between 180°C and 220°C

It is recommended to do a Cryo-quench with liquid nitrogen before tempering and directly after steel has reached room temperature.

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Voestalpine / Böhler-Uddeholm is a worldwide market leader for tool steel and other specialty steels including high-quality Tool Steels, High-Speed Steel, Silver Steels, and Gauge Plates. It was formed in 1991 as a result of a merger between the Austrian parastatal Böhler and of Uddeholms AB of Sweden.
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