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How do I weld a splined end to a 4140 shaft hardened to 28-32 HRC?

April 26, 2017hardened hrc splined weld

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How do I weld a splined end to a 4140 shaft hardened to 28-32 HRC?

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A. Friction Welding are the best process would be • It is fast and financial, • its preparation is easy, • it interests the entire section, • it is in all probability would not need reheat treatment. But some of the length is obsessive, and flash has to be removed. Concentricity may be a concern.