4130 for dropout fabrication.

[Nestor Czernysz]

Given a choice between annealed, or normalized, don't think it matters much, but it seems I have one.
So which one?
Thanks!

[Jon Norstog]

I make a lot of mine out of 1/8" plate and have a box of them that were laser-cut from the same material. Dropouts live a hard life. Normalized will be less likely to bend.  If it's 1/4" plate, it probably doesn't matter.

Good luck!

jn

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[Nestor Czernysz]

Thanks. .160" thick if it matters.

[Thomas]

4mm.. hum, remember that a lot of Q.R. hub axles are set up for a
hair wider dropouts than that =)

Thomas Seaman: noMadic
www.kokopedli.com

[Nestor Czernysz]

I add two .050 stainless faces. Prototypes.
https://flic.kr/p/XqaFf2

[Alex Meade]

Nestor,

Given a choice with other factors like cost being insignificantly different, normalized will have about 20% higher yield strength and ultimate tensile strength without sacrificing machinability, compared to annealed, IIRC.  I don't know of any downsides for normalized in this application.  Just my $0.02.

Alex

http://www.alexmeade.com/Tools.htm

[Nestor Czernysz]

Yes, the price is exactly the same. Thanks. I never had a choice before.