NA 131
DIN Standards Committee Aerospace
DIN 65156 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| WL 1.6604-1 | 1982-03 | Heat-treatable chromium-nickel-molybdenum steel with about 0.3C-2Cr-2Ni-0.4Mo; rods and forgings More |