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 AR 500 for a blade?
#6742452
04/22/17 01:20 AM
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Joined: Dec 2008
Posts: 41,173
J.G.
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Blended in a Damascus.
I've got lots of scrap pieces, and would like to make some axes, hatchets, and knives. Would it work blended in with other metals?
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Re: AR 500 for a blade?
[Re: J.G.]
#6742458
04/22/17 01:22 AM
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Brother in-law
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Re: AR 500 for a blade?
[Re: Brother in-law]
#6742465
04/22/17 01:27 AM
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J.G.
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Re: AR 500 for a blade?
[Re: J.G.]
#6742477
04/22/17 01:38 AM
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Dalee7892
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How about a good ole Bowie one
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Re: AR 500 for a blade?
[Re: J.G.]
#6742692
04/22/17 11:47 AM
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MikeC
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I can't find any reliable heat treat information on the AR 500 but what little data I've read leads me to believe that it may not harden enough to make a good blade.
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Re: AR 500 for a blade?
[Re: MikeC]
#6742764
04/22/17 01:21 PM
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J.G.
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Wow, I thought opposite would be true. Too hard to drill a hole in, and it's literally bullet proof. But you know more than I.
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Re: AR 500 for a blade?
[Re: J.G.]
#6742805
04/22/17 02:10 PM
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MikeC
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Seems like it's about it's max hardness as it comes from the mill and that's about 50 on the Rockwell C chart and that's around 8 to 10 points softer than what a blade should be. You're right that 50 is still way too hard to drill through without a good carbide bit. You can always take a piece and heat it non-magnetic or sort of an orange hot and quench it in water. Then put it in a vise and hit it with a hammer. If it snaps off it will harden, if it bends then it isn't hard enough.
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Re: AR 500 for a blade?
[Re: MikeC]
#6743196
04/22/17 11:27 PM
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J.G.
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I will do that. Have forge, anvil, and post leg vise mounted to a 1000# table, all in close enough proximity to test that without any headache.
Thank you!
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Re: AR 500 for a blade?
[Re: J.G.]
#6743235
04/23/17 12:07 AM
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MikeC
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No problem, let me know how it turns out.
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Re: AR 500 for a blade?
[Re: MikeC]
#6743261
04/23/17 12:23 AM
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J.G.
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Will do, sir! 
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Re: AR 500 for a blade?
[Re: J.G.]
#6744515
04/24/17 04:13 PM
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LG
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Never look a monkey in the eye
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Re: AR 500 for a blade?
[Re: J.G.]
#6744669
04/24/17 07:30 PM
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cabosandinh
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if you melt AR500 to blend you start all over with molten metal
that metal is no longer AR500 hardness , you can temper to new hardness
go for it
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Re: AR 500 for a blade?
[Re: cabosandinh]
#6744810
04/24/17 10:06 PM
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J.G.
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I don't know what the question marks are for. if you melt AR500 to blend you start all over with molten metal
that metal is no longer AR500 hardness , you can temper to new hardness
go for it That's my thinking. I just didn't know if the AR 500 was a good choice for my hard steel.
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Re: AR 500 for a blade?
[Re: J.G.]
#6745015
04/25/17 02:00 AM
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MikeC
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You'd have to get to somewhere between 2500° and 2700° to melt it. And unless you have a way of adding carbon to the mix in the right percentages it still isn't going to get hard enough to make a good blade.
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Re: AR 500 for a blade?
[Re: MikeC]
#6745029
04/25/17 02:13 AM
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MikeC
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Medium-carbon steel[edit]
Approximately 0.3–0.6% carbon content.[1] Balances ductility and strength and has good wear resistance; used for large parts, forging and automotive components.[9][10]
High-carbon steel[edit]
Approximately 0.6–1.0% carbon content.[1] Very strong, used for springs, swords, and high-strength wires.[11]
Ultra-high-carbon steel[edit]
Approximately 1.25–2.0% carbon content.[1] Steels that can be tempered to great hardness. Used for special purposes like (non-industrial-purpose) knives, axles or punches. Most steels with more than 2.5% carbon content are made using powder metallurgy. The carbon content of AR500 is around .32%
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Re: AR 500 for a blade?
[Re: MikeC]
#6745229
04/25/17 12:25 PM
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Posts: 41,173
J.G.
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Thanks Mike.
Looks lime I'll leave it alone for blade making.
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Re: AR 500 for a blade?
[Re: J.G.]
#6745266
04/25/17 01:00 PM
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LG
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I don't know what the question marks are for. if you melt AR500 to blend you start all over with molten metal
that metal is no longer AR500 hardness , you can temper to new hardness
go for it That's my thinking. I just didn't know if the AR 500 was a good choice for my hard steel. caught my interest thats all
Never look a monkey in the eye
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Re: AR 500 for a blade?
[Re: LG]
#6745371
04/25/17 02:50 PM
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Joined: Dec 2008
Posts: 41,173
J.G.
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Ah!
I've seen some good ones mass produced. But can't bring myself to buy one. Because I look at it and think "I can make that".
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Re: AR 500 for a blade?
[Re: J.G.]
#6745583
04/25/17 05:54 PM
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MikeC
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Ah!
I've seen some good ones mass produced. But can't bring myself to buy one. Because I look at it and think "I can make that". That's how I got into making knives!
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