Which process is suitable for this knife joining?

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Kindly tell me which process suitable for this knife joining (Spring steel)?Thanks in advance for your valuable support.............Saravanan P.G Attached Images
Reply:Brazing is normal for bandsaw blades, unless you have an induction joiner which comes with a lot of industreal bandsaws.Steve
Reply:I have and my friend that teaches uses GTAW takes practice and patience.. The blade welders on all the saws that I have used are upset or flash welders. You will need to anneal the weld after welding. With GTAW use a torch, bring the weld up to red heat about 3/8" wide band and let cool and then do it again. if you have acess to a blade welder use the annealing function-twice.
Reply:silver solder also works.