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What are these lines?

Discussion in 'Becker Knife & Tool' started by StrangeDaze, Jun 14, 2019.

  1. JJ_Colt45

    JJ_Colt45 Gold Member Gold Member

    Sep 11, 2014
    That's what I meant but I see how I typed it and how it reads ... my bad wording it how I did ...

    I have seen the same look but on hand forged blades ...

    I haven't stripped many knives ... unless I wanted to take them to a bead blast or a satin finish which eleminated any markings ...

    I will be interested to see what Ethan has to say if he pops in.
    Xr6x and StrangeDaze like this.
  2. StrangeDaze


    Mar 20, 2016
    Ahh i see what you meant now. It can be hard sometimes to communicate on the internet, it was my mistake too.
    Last edited: Jun 14, 2019
    Xr6x likes this.
  3. bearfacedkiller


    Jan 23, 2014
    Pound it into a stump and do some prying. If they are cracks you will see them open up a little.

    Otherwise, you have two options. Send it to Kabar for them to look at or just use it and see what happens. If it breaks they will most likely cover it.

    Let us know how it works out.
    Xr6x likes this.
  4. Crag the Brewer

    Crag the Brewer

    Oct 18, 2018
    Stupid question: the knife Is now discontinued....worse case scenario the knife is faulty... Now what?
    What could KaBar do?
    ...if they can replace it, they could sell Me one, because I don't have one yet.... Right?
    Xr6x likes this.
  5. Bladite

    Bladite ǝɹnsıǝן ɟo uɐɯǝןʇuǝb Moderator

    Feb 28, 2003
    oh i'm sure there's some backstock. maybe :D

    the lines are from little steel worms eating their way under the patina bark
    cwsmith17, Tanker 1/66, Xr6x and 3 others like this.
  6. The Warrior

    The Warrior Insane Viking Moderator

    Mar 11, 2011
    Forgot about those little bastards. The dreaded Crovan worms.
  7. eveled

    eveled Gold Member Gold Member

    Mar 11, 2016
    You might be more right than you think. I’ve posted pictures of a RCC ww2 Navy knife I re handled before. It is corroded badly in such a way the seller described it as Damascus. You can see layers and lines. Zoom in on the blade. I think the vinegar did the same thing and is showing layers in the steel. Like weld lines.


    I think to some extent all steel is layered like Damascus but layers of the same steel. Damascus is different steels so the layers are more pronounced.
    Xr6x likes this.
  8. tanglediver

    tanglediver Gold Member Gold Member

    Sep 2, 2013
    You have one of a kind.
    The mystery of mill scale; I don't pretend to know much about all the mysteries wrapped up in metal, but mill scale is a chore to remove. And every time you raise temperature enough, it reforms. Oxidation and all that. o_O
    Xr6x likes this.
  9. YellowSwiss


    Sep 28, 2015
    It's a map to a chest full of highly sought after, discontinued Beckers.
    cwsmith17, Tanker 1/66, GeofS and 3 others like this.
  10. Don W

    Don W Gold Member Gold Member

    Jan 31, 2012
    I broke a BK 4 last year or the year before. I sent it in to kabar with a note about the situation. A week later I was called. They told me they had no remaining stock, but offered me a couple replacement options. I chose a BK 7. I was satisfied.
    Crag the Brewer likes this.
  11. Crag the Brewer

    Crag the Brewer

    Oct 18, 2018
    Wow... You broke one?
    I don't remember seeing or reading That post... Ugh!

    I'm glad it worked out for you, and sorry for your loss
  12. tanglediver

    tanglediver Gold Member Gold Member

    Sep 2, 2013
    Yee've ar'd theis colway cartless stave behargin, ... I'll whager.
  13. StrangeDaze


    Mar 20, 2016
    Did the best i could taking close up pictures of where it runs onto the edge, on this line it zig zags down diagonally to the left and turns slightly to the left on the edge

    Its easiest to see if you enlarge / zoom
    [​IMG] [​IMG] [​IMG] [​IMG]
    Xr6x and tanglediver like this.
  14. WValtakis

    WValtakis Hand Engraving, Anodizing and Embellishment Knifemaker / Craftsman / Service Provider

    May 29, 2004
    Running into the edge like that after sharpening really makes it seem like it's in the steel versus a surface issue...very strange. And for what it's worth...the only place you could possibly see "mill" scale on a fully ground blade would be the flats if the company didn't surface grind them. Heat treat scale would show up on the bevels...but this doesn't look like that to me.

    cwsmith17, Xr6x and StrangeDaze like this.
  15. Xr6x

    Xr6x Gold Member Gold Member

    Sep 17, 2015
    Nice and clear pics :thumbsup: :poop: You might just want to send it back and have KaBar check it out :( or better yet call see if you send them the pics and ask for advice :)
    StrangeDaze likes this.
  16. StrangeDaze


    Mar 20, 2016
    Thats a good idea, i will try when i get home today. I’ll update with what they say.

    ETA: i ended up emailing them, if i dont hear back from them by tonight i’ll give them a call tomorrow.
    Last edited: Jun 17, 2019
    Xr6x likes this.
  17. StrangeDaze


    Mar 20, 2016
    They just told me to send it in. I’ll send it out today and update with any news.
    GeofS, Crag the Brewer, Xr6x and 2 others like this.
  18. Tanker 1/66

    Tanker 1/66 Gold Member Gold Member

    May 18, 2015
    Yep I can clearly see Oak Island
  19. JJ_Colt45

    JJ_Colt45 Gold Member Gold Member

    Sep 11, 2014
    now that looks more like a defect the way it goes into the grind clear to the edge ... or a delamination of sorts ... but if you can't feel it ... then I am lost on it ... and more curious myself ...
    Tanker 1/66 and StrangeDaze like this.
  20. StrangeDaze


    Mar 20, 2016
    Kabar is sending me a replacement, #1280.
    I had a choice between that and the kukri machete. I figured the 1280 was closer to a 4. Also the machete seems short and heavy, i think its almost 2 pounds and an 11 inch blade.

    They didn’t say what was wrong with the bk4 yet. If they do i will post the results.

    Im happy to be getting a replacement, but i also really want to know what those lines are.

    ETA: they said the quality control team is still inspecting it, so hopefully they find some answers. I asked them if they could to please email me if they did.
    Last edited: Jun 24, 2019

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