N690 - 4.5*135*250mm
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Product description
Description of steel
Stainless steel N690 from the Austrian company Böhler. Very popular with almost all European knife companies. It is equivalent to 440C steel, compared to which it is enriched with Cobalt. It has 17% chromium which offers excellent corrosion resistance. It offers high wear resistance thanks to its chemical composition (mainly chromium, vanadium), which is close to premium steels.
Use of steel
- Knife blades
- Surgical instruments
- Disc knives
- Industrial knives
- Parts for engineering
Steel data sheet for download 
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- Kind of steel Stainless steel
- Material thickness 4.5 mm
- Material N690
- Hardening 1030°C - 1080°C
- Tempering 100°C - 200°C
- Forging 1030°C - 1080°C
- Hardness 55 - 62HRC
- Quenching medium Oil
Základní rozdělení ocelí
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