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tech / rec.crafts.metalworking / What is Hot Short?

SubjectAuthor
* What is Hot Short?Bob La Londe
+- Re: What is Hot Short?Jim Wilkins
`* Re: What is Hot Short?Clare Snyder
 `- Re: What is Hot Short?Mike Spencer

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What is Hot Short?

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From: non...@none.com99 (Bob La Londe)
Newsgroups: rec.crafts.metalworking
Subject: What is Hot Short?
Date: Tue, 15 Nov 2022 14:48:58 -0700
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 by: Bob La Londe - Tue, 15 Nov 2022 21:48 UTC

Its something I have read a couple times about the non-weldability of
some alloys. Particularly those that have additives for better
machineability like 1144.

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Re: What is Hot Short?

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From: muratla...@gmail.com (Jim Wilkins)
Newsgroups: rec.crafts.metalworking
Subject: Re: What is Hot Short?
Date: Tue, 15 Nov 2022 17:48:06 -0500
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 by: Jim Wilkins - Tue, 15 Nov 2022 22:48 UTC

"Bob La Londe" wrote in message news:tl11ga$252np$2@dont-email.me...

Its something I have read a couple times about the non-weldability of
some alloys. Particularly those that have additives for better
machineability like 1144.

--------------------

This is hot shortness due to high sulfur content, accidentally from the ore
or the coal used to smelt it or intentionally to improve machinability.
https://en.wikipedia.org/wiki/Red-short_carbon_steel

https://www.iforgeiron.com/topic/40163-who-has-used-1144/

https://www.steeltank.com/Products/PressureVessels/EffectofChemicalElementsinSteel/tabid/916/Default.aspx

If you are REALLY interested...
https://www.tf.uni-kiel.de/matwis/amat/iss/kap_9/illustr/s9_1_1.html

Re: What is Hot Short?

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From: cla...@snyder.on.ca (Clare Snyder)
Newsgroups: rec.crafts.metalworking
Subject: Re: What is Hot Short?
Date: Thu, 17 Nov 2022 02:14:39 -0500
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 by: Clare Snyder - Thu, 17 Nov 2022 07:14 UTC

On Tue, 15 Nov 2022 14:48:58 -0700, Bob La Londe <none@none.com99>
wrote:

>Its something I have read a couple times about the non-weldability of
>some alloys. Particularly those that have additives for better
>machineability like 1144.

It means the metal gets prittle when heated , usually beyonf red hot.
You can bend it coldm but it crumbles when hot - like "shortbread"

Re: What is Hot Short?

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From: mds...@bogus.nodomain.nowhere (Mike Spencer)
Newsgroups: rec.crafts.metalworking
Subject: Re: What is Hot Short?
Date: 17 Nov 2022 13:17:32 -0400
Organization: Bridgewater Institute for Advanced Study - Blacksmith Shop
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 by: Mike Spencer - Thu, 17 Nov 2022 17:17 UTC

Clare Snyder <clare@snyder.on.ca> writes:

> On Tue, 15 Nov 2022 14:48:58 -0700, Bob La Londe <none@none.com99>
> wrote:
>
>> Its something I have read a couple times about the non-weldability of
>> some alloys. Particularly those that have additives for better
>> machineability like 1144.
>
> It means the metal gets prittle when heated , usually beyonf red hot.
> You can bend it coldm but it crumbles when hot - like "shortbread"

Allegedly (I wasn't there myself :-) a recurring problem in the era of
wrought iron when quality control at the ironworks was trial and error
and in the supply chain very spotty. I've tried to forge a piece of
hot short iron that crumbled under the hammer at orange heat.

--
Mike Spencer Nova Scotia, Canada

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