Joined: Jun 2010
Posts: 2,130
Likes: 1,513
From: Medford MA
Bikes: Ron Cooper touring, 1959 Jack Taylor 650b ladyback touring tandem, Vitus 979, Joe Bell painted Claud Butler Dalesman, Colin Laing curved tube tandem, heavily-Dilberted 1982 Trek 6xx, René Herse tandem
I don't think you have anything to worry about. Could check or cracks in the steel by flaking off a little more paint in the affected areas, just to put your mind at ease. If you don't see any cracks, you're good to go!
__________________
Owner & co-founder, Cycles René Hubris. Unfortunately attaching questionable braze-ons to perfectly good frames since about 2015. With style.