Böhler N690 Stainless Steel 2.5 x 38 x 1000mm
One bar of hot rolled Böhler N690 Stainless Steel 2.5 x 38 x 1000 mm.
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One bar of hot rolled Böhler N690 Stainless Steel measuring 2.5 x 38 x 1000 mm. Actual hot rolled thickness is 2.65 mm.
Austrian-made Böhler N690 stainless steel.
This is a high quality well-balanced cutlery stainless with excellent edge-holding, stain resistance, ease of sharpening, and toughness. N690 is similar to Takefu’s VG10, with the addition of 2% more chromium to the alloy.
Heat treatment is similar to other common stainless steels like 440C or AEBL, typical working hardness 60HRC.
Carbon – 1.08%
Manganese – 0.40%
Silicon – 0.40%
Chromium – 17.30%
Vanadium – 0.10%
Molybdenum – 1.10%
Cobalt – 1.50%
Recommended Heat Treatment
*Seal blade in double crimped high temperature stainless steel tool wrap
*Preheat to 815°C, hold for 5 minutes
*Austenitise at 1050°C for 20 minutes
*Cold treatment; domestic freezer, dry ice slurry, liquid nitrogen – the colder the better
*Temper at 175-200°C for 2 hours, twice
Recommended working hardness 58-61HRC
|Dimensions||102 × 4 × 1 cm|