Joined: Oct 2015
Posts: 16,185
Likes: 9,560
From: PDX
Bikes: Merz x 5 + Specialized Merz Allez x 2, Strawberry/Newlands/DiNucci/Ti x3, Gordon, Fuso/Moulton x2, Bornstein, Paisley,1958-74 Paramounts x3, 3rensho, 74 Moto TC, 73-78 Raleigh Pro's x5, Marinoni x2, 1960 Cinelli SC, 1980 Bianchi SC, PX-10 X 2
Depends on the builder and how, what tubing they use.
Many will combine different tubes for an outcome that they want to get you what you want.