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old greg · 02-10-2012, 03:26 AM

There's no point in using anything hardened for exhaust tubing. Between the welding and the high service temperatures it's all going to end up annealed anyway, so just start with T0 and make life easier on yourself.

02-10-2012, 03:26 AM	#134
old greg Rocket Surgeon Join Date: Apr 2011 Drives: PSM GGA OMG Location: FL Posts: 1,312 Thanks: 10 Thanked 141 Times in 84 Posts Mentioned: 2 Post(s) Tagged: 1 Thread(s)	There's no point in using anything hardened for exhaust tubing. Between the welding and the high service temperatures it's all going to end up annealed anyway, so just start with T0 and make life easier on yourself.