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Maciej Leszczyński

HeartLine S290 Stainless San Mai

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Wicked pattern. 

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Very nice

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Damn that is nice.  Heartline is a great name!

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Amazing pattern!

I have a real soft spot for well done san-mai like this

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Beautiful pattern, it really pops without being overbearing.

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Beautiful!

The description says the cutting edge in almost 70 HRC! Is taht correct?

And the pattern is mono steel? Or is it multilayer damascus?

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Thanks ! :D

Yes, it is close to 70 hrc, that's why it's s290 ;d

I know hard to belive :D  but this blade has only 3 layers it is somekind of diffusion in special conditions 

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That one has my heart line dancin'...................:D

HELLA COOL !!!!!

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Hi !!

Maybe it is not specifically consistent with the title but today i made  some tests with forging and forgewelding rex 121 with 4h13 stainless steel. It came out well :D

 

43198584_235651157303705_1396800699840331776_n.jpg

43242504_474259613085454_440250086463635456_n.jpg

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On 6/21/2018 at 1:40 PM, Will W. said:

Wicked pattern. 

+1 to that. Great Work!

 

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Almost appears to be melting!

Quote

S290(Bohler-Uddeholm) - High alloy high speed tool steel. Thanks to high content of Cobalt and Tungsten can achieve very high working hardness. It is a high carbide volume steel, and primarily optimized for high wear resistance at high temperatures. Later isn't really important for the knives, but former combined with high hardness makes a good choice for high performance, light use cutter which can cut abrasive materials for a long time. S290 on occasion gets listed as equivalent or a replacement of either S390 microclean or Vanadis 60. Actually, it is neither, and composition differs very considerably, but as a substitute sure, it could work.

Am curious as how this is heat treated? Looked this up as it does not appear on HTS. 

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Just WOW.....Rex 121 is going to be something else.....

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Beautiful. The contrast is out of this world. The pattern makes me think of rain running down a window. 

Keep up the outstanding work. 

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Those patterns are just incredible!  :o

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I'm in awe! Particulary the pattern comes from mono-steel! It's a kind of magic like in wootz.

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