Metallurgy question

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ayjay
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Metallurgy question

Post by ayjay »

I've mislaid my little flat crowbar and am looking to buy a new one, there's a couple on Ebay at virtually the same price (and one at £116) :lol: - I'm just wondering if there's much difference between "drop-forged, heat treated carbon steel" and "stamped alloy steel, hardened and tempered".

I'll probably end up buying the £116 jobbie when I find it at the right price elsewhere or if the seller ever gets back to me with the right price - that one's made from - "Drop Forged High Carbon Spring Steel" - will that be better anyway?

In case you don't know flat bars, here's a pic, they are fantastically useful little tools.
flatbar modified.jpg
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Re: Metallurgy question

Post by big-all »

drop forge is several operation "hammring" into shape
pressed is one movement with hydraulic pressure rather than weight

hammer out moves the material in a plasticine type way giving extra s
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Re: Metallurgy question

Post by Hitch »

Drop forging is done with a hot piece of metal, then forced into a die by a drop hammer.

Stamped alloy steel, probably uses a hydraulic (or flywheel type) press to cut the shape out from a coil of the relevant steel.

Heat treated carbon steel is probably pressed out (stamped) and heat treating is hardening and tempering as far as i am aware...

As regard to which is best....
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ayjay
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Re: Metallurgy question

Post by ayjay »

Hitch wrote:
As regard to which is best....
That was the important bit. :mrgreen:

I've gone for the stamped alloy steel - with lifetime guarantee - (I've often wondered what that means if you really think about it).
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Re: Metallurgy question

Post by kellys_eye »

"....till we go out of business"
Don't take it personally......
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Re: Metallurgy question

Post by big-all »

kellys_eye wrote:"....till we go out of business"
exactly a gtee means you are covered for at least a few days or until they go out off buisiness :roll:
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