 |
|||
|
|
|||
| ||||||||||
|
|  MIL-S-81054A(0S)
3.3.2.2 Grain flow. Forging stock shall be of such size and dimensions
that the work accomplished in forming to finished shape shall result in
approximately uniform grain size throughout. The forging techniques
employed shall produce an internal grain flow pattern such that the direc-
tion of flow in highly stressed areas shall be essentially parallel to
the principal stresses, as specified in applicable engineering documents.
The grain flow pattern shall be essentially free from re-entrant and from
sharply folded flow lines.
3.3.2.3 Welding, Forgings shall not be welded, except as indicated
on applicable drawings approved by the procuring activity.
3.3.2.4 Flash. Forging flash shall be removed substantially flush
with the adjacent surfaces, Gouging or penetration below the forging
surface shall not be permitted.
3.3.2.5 Cleaning, All forgings shall be thoroughly cleaned by tumbling
machining, shot or sand blasting, pickling, or other process approved by
the procuring activity.
3.3.2.5.1 Cleanliness. Unless otherwise specified, the steel shall
conform to the requirements of the following specifications:
Type I AMS 2301 on a heat qualification basis
Type II AMS 2300
* 3.3.3 Identification marking. Each bar or forging shall be identified
with the following information as applicable:
a. Number and revision letter of this specification
Supplier identification
Supplier heat number
Type, composition, and condition
Grade of forgings
Drawing number of machined forging
Serial number (forgings only).
3.3.3.1 Bars. The identification characters shall not be less than
three-eighths inch in height, shall be applied using a suitable marking
fluid, and shall be capable of being removed in hot alkaline cleaning
solution without rubbing. The characters shall be sufficiently durable
to withstand ordinary handling.
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals