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f350ca (04-07-2015)
Just don't call me Steve....
Willie
Posts: 4,683
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Location: Perth, Australia
Just read the data sheet that Ken linked to above and obviously missed this the first time around:
Quote:Welding:
Parts should be welded in the hardened and tempered condition. Strength properties of the joint will not be the same as the base metal.
Preheat 300-400ºC. Temper after welding to about 35-50ºC below the recommended tempering temperature.
Filler metal: - FOX CM2-KB electrodes or CM2-IGwire.
For advice in connection with difficult welding, please consult our engineers.
Just called them and got some prices:
1/2" Round (ground) = $7.50 per meter
13mm Round = $6.50 per meter
19mm Hex = $25.00 per meter
I'm thinking of using 1/2" ground for all 3 drawbars and then turning down the diameter for a M12 thread. The tolerance on the ground bar should be good for the 1/2-12 and 1/2-13 drawbars. I would then use the hex bar for the wrench end.
They have a minimum $50.00 order, so I may pick up some 25mm round stock as well. Given that I am going to probably have more use for round stock than hex, having some 25mm stock might be a better choice. The also have off cuts...
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