Seamless steel tubing is today the principal material of construction for aircraft. The commercial grade of tubing containing about 0.10 to 0.20% carbon at first used is being superseded by two grades which are approved by the army and navy, and which are also becoming standard for commercial airplanes.
Identification of Aircraft Tubing by Rockwell Test
1930-06-01
Report
No indication
English
Identification of aircraft tubing by rockwell test
SLUB | 1930
|Identification of aircraft tubing by rockwell test
Engineering Index Backfile | 1930
|Online Contents | 2010
Online Contents | 1998
Online Contents | 1998