Half Shaft High Temperatures!
Thread Starter
Drifting
Joined: Oct 2012
Posts: 1,524
Likes: 61
From: Medina Ohio
Half Shaft High Temperatures!
I do all of my own powder coating, and I spent ALL DAY prepping my half shafts to get coated to go on the chassis. Media blasting, cleaning, honing the bores, etc. Anyway, all parts I "pre-bake" at about 425 degrees F to bake off any oil or grease left after wiping down with acetone and to out gas the metal. Usually for about 20 min. once the part is up to temperature. This is common practice with powder coating. ...I forgot they were down in the oven and they sat at those temperatures for around 2 hours
What do you think about their integrity now?
Instructor
Joined: Jul 2010
Posts: 120
Likes: 4
From: Virginia
I agree with 7T1vette, the only part of the shafts that were probably heat-treated are the yokes. If it did anything it stressed relieved them and did not lower the rockwell reading ( scale of hardness). Frank.
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Drifting
Joined: Aug 2007
Posts: 1,838
Likes: 13
From: Kingman AZ
more info
A tad more info
http://www.technologystudent.com/equip1/heat1.htm
These low temps only temper steel. Like stated earlier. Stress relief based on level of heat. Not major molecular changes. Also, as stated by bmprhmpr rockwell number should have remained constant even after heating. Hammer on!
http://www.technologystudent.com/equip1/heat1.htm
These low temps only temper steel. Like stated earlier. Stress relief based on level of heat. Not major molecular changes. Also, as stated by bmprhmpr rockwell number should have remained constant even after heating. Hammer on!
Last edited by rayluka; May 1, 2013 at 12:43 AM.
