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The Newbies Arena Are you new to knife making? Here is all the help you will need.

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  #1  
Old 11-21-2013, 05:03 PM
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Eli Jensen Eli Jensen is offline
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2nd opinion

So I've been having some frustration with my HT. I've NEVER had problems getting hamons exactly where I want, but I HT a blade a few weeks ago and the hamon dropped all the way to within 2mm of the edge. I start a knew knife, closer but there was a break in the hamon line. This is today's attempt. Need some second opinions. Doing everything the same, normalizing, same forge, same parks 50



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Old 11-21-2013, 05:05 PM
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Ray Rogers Ray Rogers is offline
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1084? Same batch as before?


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Old 11-21-2013, 05:25 PM
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Old 11-21-2013, 05:27 PM
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1095. Fresh piece of steel from Aldo
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Old 11-21-2013, 06:23 PM
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Ray Rogers Ray Rogers is offline
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1095 is notorious for alloy variance. I would guess that this piece/batch has significant differences from your previous batches. Some of the variances observed in the past for 1095 include failure to harden sufficiently and the inability to display a hamon...


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  #6  
Old 11-21-2013, 08:24 PM
jmccustomknives jmccustomknives is offline
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I'd polish it up and etch it out. Your not clean enough to make a proper determination. The real bummer is after spending several hours polishing/etching a few cracks rear their ugly heads. I'm guessing that's a scratch in the blade and not a crack. Polish it up using sand paper down to at least 1000 grit then etch. It should start to pop if you did it right.
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  #7  
Old 11-22-2013, 12:08 PM
metal99 metal99 is offline
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I've had problems with all the 1095 I've used. I bet it's just that batch you have. One thing that conserns me tho, are you quenching it with those deep scratches in the blade? Or do you grind your bevels after HT?


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Old 11-22-2013, 03:05 PM
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Eli Jensen Eli Jensen is offline
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120 is the coarsest I quench.

Its gotta be the steel. I did a full quench, no clay, and still was getting weird soft spots. This ain't my first rodeo, I know when the steel is at critical temp. Redid the blade, again, with a bar of 1084, so we'll see how that goes. If it happens to that too, well maybe I'm goin nuts
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Old 11-23-2013, 04:54 AM
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Eli, you are automatically catagorized as a nut once you make that first knife.....so you are deep in the can.
I'm with the others on 1095, really hard to get consistent results from batch to batch. I do normally take mine up to 400 grit before clay coating just to be sure there are no deep scratches I might miss, but that's just me. I'm not paranoid, I know they are all out to get me!
Good luck.


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  #10  
Old 11-23-2013, 09:03 AM
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Ive cracked a few blades I forgot to bring up to 120 and were left at 36, but I've never had a problem at 120. Not to say 400 ain't good too. Safe than sorry.
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  #11  
Old 11-23-2013, 11:18 AM
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racjarrett88 racjarrett88 is offline
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Eli you are nuts but what has that got to do with it?


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  #12  
Old 11-23-2013, 12:54 PM
samuraistuart samuraistuart is offline
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Quote:
Originally Posted by Eli Jensen View Post
120 is the coarsest I quench.

Its gotta be the steel. I did a full quench, no clay, and still was getting weird soft spots. This ain't my first rodeo, I know when the steel is at critical temp. Redid the blade, again, with a bar of 1084, so we'll see how that goes. If it happens to that too, well maybe I'm goin nuts
This is exactly what was happening to me with some W2 I had ordered this spring. Turns out, the steel was indeed a bad batch, the consensus.....probably overheated during rolling, 15,000lbs of it!!! We all felt really bad for Aldo, but the foundry is making it right. It is quite possible, especially with 1095, that it's a bad blank.
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Old 11-23-2013, 03:54 PM
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GHEzell GHEzell is offline
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I'm thinking it's a problem with the steel too.

No one else has asked, so, where did you get the steel?


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Old 11-23-2013, 07:49 PM
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racjarrett88 racjarrett88 is offline
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Quote:
Originally Posted by Eli Jensen View Post
1095. Fresh piece of steel from Aldo
Newjerseysteelbaron.com


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Old 11-23-2013, 09:56 PM
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I see why no one else asked....


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1084, 1095, 550, art, bee, blade, blades, edge, etch, etching, forge, hamon, harden, knife, make, making, polish, problem, sand, scratch, steel


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