The thing that makes all the things

N555

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Mar 9, 2022
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New Mexico and Texas panhandle
Here is a rail road track anvil I milled flat and it milled flat a little too easy. The Rockwell hardness was about a 52 or 53, everytime I touched it with a hammer it dented, that's why I milled it because the surface was rough. This winter I heated it up, quenched and tempered it. Now the Rc is about 58, hammer hits usually don't dent it. I guess RxR track is hot rolled, air cooled ect not super hard.
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Remember if your anvil is cold bring it inside and warm it up a little.
That's almost how hot I anneal my brass with the induction rig.
 
No insult intended, but I gotta ask...are you using the top or bottom of the rail for the anvil face? The top that the train runs on is what folks use because it is work hardened.
 
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58 sounds way too hard. Wear eye protection and be careful hitting near edges. My 125lb JHM Journeyman anvil is only advertised as being between 48 and 52RC. There's a lot of knives out there that are under 60.
 
No insult intended, but I gotta ask...are you using the top or bottom of the rail for the anvil face? The top that the train runs on is what folks use because it is work hardened.
After I heated it up to about 1,400f and allowed it to heat soak it ain't work hardened no more. I used the top, as in the part the the wheel rides on. The bottom is only about 5/8 inch thick it's so hard it could break if hit with a hammer.
 
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