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1.2419.05

1.2419.05
1.2419.05
1.2419.05
€30,50
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Article number:
3-2-3

Non-stainless special alloy with high hardness, good wear resistance and very good cutting edge stability Read more..

1.2419.05 is a special melting from the Friedr. Lohmann GmbH. The steel is based on 1.2419 (105WCr6), but has a higher carbon content and is also alloyed with molybdenum and vanadium, which makes it harder and more wear-resistant. The steel achieves high hardness, good wear resistance and very good cutting edge stability in relation to other steels of the same hardness. With the usual cross-sections for knives and the use of a quick quenching oil, this steel achieves a working hardness of up to 66hrc in the area of ​​the cutting edge. 

The steel is in the performance spectrum of the melt-metallurgical steels between 1.2562 and 1.2063. It is less wear-resistant than 1.2562, but offers higher toughness and better cutting edge stability. 

The steel is ideal for wear-resistant kitchen and outdoor knives that are not used for the very rough work, but at the same time should still offer certain toughness reserves. 

The steel can also be used well for the production of performance damascus steel, e.g. in combination with the 1.2767 or 1.5634 and the 1.2510. However, precise temperature control and a low-oxygen atmosphere are necessary. I recommend fire welding with complete exclusion of oxygen.

I myself do not offer a hardening service for the steels I sell. However, I can unreservedly recommend the hardening service of my colleague Jürgen Schanz. He works with a very experienced hardening shop that also carries out demanding heat treatments exactly according to customer requirements. If necessary, contact Jürgen Schanz directly via his contact form.

Available dimensions:

3,6x40x740mm

3,6x55x740mm

3,6x60x740mm

Special Cuts on request

Weight:

3,6x40x740mm = 870g

3,6x55x740mm = 1180g

3,6x60x740mm = 1300g

Composition:

Carbon:                     1,3%                    

Tungsten:                  1,3%

Chromium:                 1,0%

Molybdenum:              0,3%

Vanadium:                  0,2%     

Manufacturing method:

Smelting metallurgy

Corrosion resistance:

Not stainless.

Condition:

Rolled, sandblasted, annealed

Peculiarities:

The strips are cut with a pair of guillotines and can therefore have minimal warpage, which can, however, be easily straightened.

Recommended heat treatment:

Forging: Form forging (heavy deformation) between 1100 °C and 850 °C. Fine forging (minor deformation) between 850 °C and 750 °C.

Normalize: 2x Heat up to 840 °C and immediately cool in air to below 721 °C (Ar1). Then 3x heat up to 800 °C and immediately quench in oil until the glow color has disappeared.

Soft annealing: hold at 720 °C for approx. 60 minutes, then cool down in the furnace.

Hardening: 820 °C (6-8 min holding time)

Quenching: Oil, AAA-DA or Durixol V35

Tempering: 175°C to max. 200°C. 2x one hour each, water cooling in between.

Achievable hardness: 64-66 hrc.

Note: A deep freeze treatment (-70 °C) between hardening and tempering can reduce the retained austenite content and thus increase the working hardness with the same toughness.

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