I haven’t had any problems with rust once I scrubbed off completely what they call the decarb layer off my original sr77. At <4% chromium it’s not as stain resistant as infi, nor does it seem to hold as sharp an edge for as long. Maybe I’ve got to convex the edge as it is no doubt the king of choppers, I assume it weighs twice as much as the full flat version. I’ve seen sr77 dogs put through a vise and bent into a semicircle, something I wouldn’t try with infi(almost 8%chromium).
My mmd is on the short list to accompany my planned retirement in the wilderness.