Blade Steel 1.2842 (AISI O2)

9.16 34.89 

AISI O2 is a durable and resilient blade steel, recognized for crafting high-performing cutting tools with an unwavering foundation. It imparts a rich black colour when used in Damascus steel and is revered for its stability and wear resistance.

  • Recommended use for: Relatively easy to work with and recommended for all utility knives.
  • Damascus steel: Because of high Mangan content bestows a rich black colour, adding visual depth and aesthetic appeal to the steel pattern.
  • Material size (more options, select below):
    • 3,5 x 40 x 245 mm,
    • 3,5 x 40 x 800 mm.

Read more info about the material below in description.

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SKU: BLADE_STEEL_O2 Categories: , ,


Blade Steel 1.2842 (AISI O2) is held in high esteem in knife-making circles, being a resilient and durable blade steel pivotal for crafting high-performing cutting tools. It’s a blade steel that’s synonymous with steadfast reliability, providing a resilient foundation for knives that exhibit unfaltering performance.

Recommended use for

AISI O2 is all-purposed blade steel engineered with precision and reliability in mind. Proving its worth across varied environments – outdoors, workshops, and kitchens, it assures persistent, top-grade performance.

Damascus Steel

When utilized in Damascus steel, AISI O2 imparts a rich black colour, emerging as a robust selection for blade makers who seek durable strength and a visibly striking pattern in their handiwork. Respected for its dependable, sturdy attributes, it’s a favoured choice for forging top-tier knives.

Material size (more options):

  • 3,5 x 40 x 245 mm
  • 3,5 x 40 x 800 mm
  • C: 0,85 – 0,95%
  • Mn: 1,80 – 2,20%
  • Si: 0,2 – 0,4%
  • Cr: 0,3 – 0,5%
  • V: 0,1 – 0,25%

With strategic heat treatment, AISI O2 attains a hardness of 58-64 HRC, bestowing a formidable edge, excellent wear resistance, and maintaining stability under stress, ensuring it navigates through challenging usage scenarios with finesse.

Hardening and tempering

Simple hardening at 810°C, followed by tempering at 180°C for 1h, confers AISI O2 with a hardness spectrum of 61-62 HRC.

Balancing formidable strength and edge retention, it’s forged to endure, offering assured performance and steadfastness under challenging conditions. Regular care and maintenance safeguard its peak quality, assuring your AISI O2 blades a long, effective life.

Important info

Sourced in an annealed state, our steel arrives in expansive plates, typically measuring around 2x1m. Customization is made by trimming these plates into strips, optionally at 40 mm widths. Minor warping/bends from cutting is common yet can be effortlessly remedied using simple straightening methods (straighten them over the knee, with a vise, or hammer and anvil).


Additional information

Weight 1 kg
Dimensions 80 × 4 × 0.35 cm


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