5160 steel
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Subject Author Date
5160 steel Hamma Head 08-15-2005
Posted by Hamma Head on August 15, 2005, 4:22 pm
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Please,.has anyone ever quenched 5160 in water,..and if so are thin
cross-sections likely to crack?


Posted by on August 15, 2005, 7:59 pm
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> Please,.has anyone ever quenched 5160 in water,..and if so are thin
> cross-sections likely to crack?

Never have, but heard that it does.

Is it "like 5160" or "real 5160"?
In other words is it -used- automotive springs/anitsway bars?

Thin sections? Heck you're going the wrong way (you prob'ly knew
that tho?).

With thin sections (~.032") of 1095 I quench them in -quenching oil-
and get full harness with less warping and no cracking than when I
queched those thin suckers in water or brine.

I got my quenching oil from Brownell's.
If you're serious, you can do better than that.
A commercial oil distibutor sells it to the local spring shop/s.

You have to be pushy... the silly suckers that answer the phone
don't know what quenching-oil is, is what I found after calling ~20
outfits in Phoenix.

ATF (automatic transmission fluid) is what I used early-on, not only
will it smoke to beat heck and the smoke can catch fire (with you in
it if you're standing in the smoke) but the "real" quenching oil does
a better job. That's my experience anyway.

So what's going on?
What are you doing/making etc?

Alvin in AZ

Posted by Hamma Head on August 15, 2005, 8:24 pm
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thanks for the reply!I reckon it is real 5160,..used late model truck
springs.Ive been forging kinves from some of it.I had been doing a
differential hardening in plain jane veg oil,getting a nice hamon
too.But a big bowie i forged out and finished as a kind of "test bed"
doesn't seem to be as hard as i'd like.Not as tough as i've heard "5160"
is supposed to be either.Nothing tests knives as brutaly as giving them
to a 14 year old nephew. Reckon these sprigs
arn't true 5160?When i can fire my forge again ill try a scraphunk in a
water quench.i dove to stick with waterif i could.Being in suburbia,huge
smoke plumes and noxious clouds arn't an option.


Posted by Martin H. Eastburn on August 15, 2005, 10:17 pm
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Hamma Head wrote:

> thanks for the reply!I reckon it is real 5160,..used late model truck
> springs.Ive been forging kinves from some of it.I had been doing a
> differential hardening in plain jane veg oil,getting a nice hamon
> too.But a big bowie i forged out and finished as a kind of "test bed"
> doesn't seem to be as hard as i'd like.Not as tough as i've heard "5160"
> is supposed to be either.Nothing tests knives as brutaly as giving them
> to a 14 year old nephew. Reckon these sprigs
> arn't true 5160?When i can fire my forge again ill try a scraphunk in a
> water quench.i dove to stick with waterif i could.Being in suburbia,huge
> smoke plumes and noxious clouds arn't an option.
>
Ok -

I looked it up in my phone book size "Metals Handbook" by ASM.

Page 156 has 5160..

The top columns –
Tensile strength in Mpa and ksi
Yield strength Mpa and ksi
Elongation in 50 mm %
Reduction in area %
Hardness HB

5160
Nonnalizedat 855 °C(1575 °F)                 1025 149         650 94                 18.2         50.7         285
Annealed at 8]5 °C (1495 °F)                 724 105         275 40                 17.2         30.6         197
Oil quenched from 830°C (1525 °F)         1145 166         1005 146         14.5         45.7         341
and tempered at 540 °C (1000 °F)


Might try corn oil - every one will think french fries...maybe burning.

Martin


--
Martin Eastburn
@ home at Lions' Lair with our computer lionslair at consolidated dot net
NRA LOH, NRA Life
NRA Second Amendment Task Force Charter Founder

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Posted by on August 17, 2005, 4:27 pm
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> I looked it up in my phone book size "Metals Handbook" by ASM.
> Page 156 has 5160..

Cool I have one too. :) But mine don't have page numbers tho. :/

Mine's copyright 1985 bought it through Enco.

Do you see a "1.22% carbon steel" listing there somewhere?

I've never found a name or number label for that steel just the
"1.22% carbon steel" discription.

> Might try corn oil - every one will think french fries...maybe
> burning.
> Martin Eastburn

That might be worth a try. :)

Becareful of the smoke tho it can catch fire.

"don't stand in the smoke" -alvin

I've always had a good lid for my quenching oil just because. But
back when I used ATF I used the lid to smuther the fire a few times
too.

Alvin in AZ

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