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PINFIRE / STEEL QUESTION
#434122 01/26/16 10:21 AM
Joined: Apr 2009
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welder Offline OP
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Greetings. I have a pinfire 16 that I'm cleaning up and the sidelocks as well as trigger guard and other parts have what looks like striations, almost a damascus or laminated appearance. Some feedback as to what these are would be appreciated.

Thoughts of how best to eliminate or lessen the pitting and marks would be more than welcome as well!

Apologies for not getting the picture in the post, but considering my computer pay grade, I count as a victory just getting the link in here!


Thanks in advance for some insight,

welder.

https://lh3.googleusercontent.com/-cIrYcH86lWI/Vqd8h3qTRcI/AAAAAAAACQg/JuWcyyDCTU0/h120/PINFIRE%2BSIDELOCK.jpg

Welder

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It's all In the State of Mind - Wintle
Re: PINFIRE / STEEL QUESTION
welder #434146 01/26/16 01:24 PM
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welder Offline OP
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Welder

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It's all In the State of Mind - Wintle
Re: PINFIRE / STEEL QUESTION
welder #434149 01/26/16 01:54 PM
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Steve Helsley Offline
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Steve Helsley
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Welder,
Those appear to be marks resulting from the forging process.
Re: PINFIRE / STEEL QUESTION
welder #434150 01/26/16 02:13 PM
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skeettx Offline
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Last edited by skeettx; 01/26/16 02:14 PM.
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Re: PINFIRE / STEEL QUESTION
welder #434156 01/26/16 02:57 PM
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welder Offline OP
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Could be, for smaller parts, the shop floor was swept for anything magnetic and went into the pot?

Welder

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It's all In the State of Mind - Wintle
Re: PINFIRE / STEEL QUESTION
welder #434192 01/26/16 09:04 PM
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Joe Wood Offline
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Such striations are quite common on case hardened parts, frequently seen after part has been harshly cleaned. I assume, but it's only a guess, that in the case hardening process carbon was absorbed unevenly by the metal. We have to remember we are looking at very primitive metallurgy.

Last edited by Joe Wood; 01/27/16 03:42 PM.
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