Thread: 4130 heat treated?
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Old 03-11-06 | 09:43 PM
  #3  
ghostdncr
Spinning my life away...
 
Joined: Mar 2006
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From: Clarksville, IN

Bikes: Trek 4500, Gitane fixie, Cannondale/Seaco CAAD4 w/Campy Record (pending)

Yep, and that's what makes 4130 such a ***** to weld! The heat effected zone around the weld gets very hard and brittle and must be normalized before you can ride it. Isn't that why the vast majority of steel frames are brazed (lower temps)?
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