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  • What is Hot Short?

    From Bob La Londe@21:1/5 to All on Tue Nov 15 14:48:58 2022
    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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  • From Jim Wilkins@21:1/5 to All on Tue Nov 15 17:48:06 2022
    "Bob La Londe" wrote in message news:tl11ga$252np$[email protected]...

    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

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  • From Clare Snyder@21:1/5 to All on Thu Nov 17 02:14:39 2022
    On Tue, 15 Nov 2022 14:48:58 -0700, Bob La Londe <[email protected]>
    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"

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  • From Mike Spencer@21:1/5 to Clare Snyder on Thu Nov 17 13:17:32 2022
    Clare Snyder <[email protected]> writes:

    On Tue, 15 Nov 2022 14:48:58 -0700, Bob La Londe <[email protected]>
    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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