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Re: Chassis Connections
I would like to add that 4130, when welded with the proper filler material, can be stronger after it is welded. I developed and got AWS certified in a pulsed-TIG process for welding 4130 tube frames. My process used ER-80S-B2 wire, the 80 standing for "80ksi yield strength" in the filler, where annealed 4130 is about 75ksi (I like english units for welding as designations start to make sense: A36 = minimum yield strength of 36ksi, etc). The resulting welded material was stronger than the base material, but still ductile enough to be run through a tube-bender (and anyone who has done it can tell you that bending 4130 is very difficult).
Clem1640: watch out, your 6061T6 is becoming 6061T0 around the welded areas!
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Last edited by JamesCH95 : 26-07-2010 at 08:19.
Reason: spelling
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