To Quench or Not

[Munroast]

Using heat to bend a threaded bar to form a hook, should it be quenched or not ?

 

[Scarlet Pimpernel]

Quenching hardens the steel. Allowing it to cool naturally keeps it softness.
If copper pipe is not annealed, and you want to bend it, you heat it and allow it to cool naturally to soften it.
https://www.instructables.com/Heat-...should be done when,blade could warp or crack.

 

[Burnerman]

It won’t make any difference to the metal hardness (mild steel) so either quench or let it cool naturally.
John

 

[Munroast]

It won’t make any difference to the metal hardness (mild steel) so either quench or let it cool naturally.
John

I was thinking it would help reduce the likelihood of it bending back when under load but would make it more brittle

 

[Burnerman]

Low carbon steels are notoriously difficult to modify.....google ‘martensite structure’ if you’ve really nowt else to do.
Threaded bar / mild steel et al are all low carbon materials.
John

 

[Trazor]

I was thinking it would help reduce the likelihood of it bending back when under load but would make it more brittle

As Burnerman has said, threaded bar has a very low Carbon content, it cannot be hardened by quenching.

Knives and files are made from high Carbon steel, and are hardened by quenching (usually in Oil), then knives are tempered back to reduce brittleness.

 

[Tigercubrider]

Or buy a hook with a thread on it

You're not planning on lifting anything are you?