95ec5aec_Wire_Aloys__1
[0] Stainless Steel [2] McMaster.com probably would have some 304 alloy or 316 alloy also it is used as a mig welding wire welding. Aircraftspruce.com sells safety wire made by malin co. [3] very springy [1] 
This is very Firm so if you work with it you need to work thin, or get some "safety wire" which is annealed stainless
Wire Aloys
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