Aluminium L3, D.T.D. 390 or 610 modern equivalents?

Profile picture for user MDF

Member for

15 years 10 months

Posts: 159

Researching for a small project and am looking for the modern day equivalents to aluminium L3, DTD 390 or 610? Also interested in the difference between the 3 materials? Heat treatments for the above were given in AP1464B, would anyone know of a copy?
Original post
Profile picture for user MDF

Member for

15 years 10 months

Posts: 159

Many thanks for the links! Just what I needed, thank you. Very good Vampire site by the way!!