9Cr18Mo - Stainless Blade Steel 3.3 x 50 x 500 mm

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Width:
1.00 (cm)
Height:
5.00 (cm)
Depth:
55.00 (cm)
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  • 9Cr18Mo - Stainless Blade Steel 3.3 x 50 x 500 mm
$32.04

Description

9Cr18Mo Stainless Blade Steel (3.3 x 50 x 500 mm billet)

High Carbon Stainless Steel for blades, high in Chromium for good corrosion resistance in the kitchen or marine use.

These vary somewhat is length but are all over 500 mm long.

Composition:

C 0.97%, Si 0.53%, Mn 0.57%, P 0.013%, S 0.007%, Mo 0.53%, Cr 18.64%, Ni 0.33%

How to Heat Treat 9Cr18Mo or any other 440C family steel:

  • Hold at 760 C for 10 mins (1400 F)
  • Hold at 1040 C for 30 mins (1900 F)
  • Quench can be still air, plates, or even oil (Air quenched steel so plates or oil not required)
  • If possible: -70 C for 30 mins (-95 F)
  • Temper at 190 C (375 F) for 2 hours, cool in tap water and temper for 2 hours again
  • this will give an estimated 59-60 HRC if cryo step is included

Link to more details on heat treatment : https://creativeman.com.au/blog/heat-treating-9cr18mo/

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