These materials were spec'd for building the Browning 1919A4 machine gun. Mil-spec was QQ-S-624. Any leads on where to find info on this mil-spec also appreciated.
RE: Need specs & chem analysis for 4042, 4047, 4640...
Learn methods and guidelines for using stereolithography (SLA) 3D printed molds in the injection molding process to lower costs and lead time. Discover how this hybrid manufacturing process enables on-demand mold fabrication to quickly produce small batches of thermoplastic parts. Download Now
Examine how the principles of DfAM upend many of the long-standing rules around manufacturability - allowing engineers and designers to place a part’s function at the center of their design considerations. Download Now
Metal 3D printing has rapidly emerged as a key technology in modern design and manufacturing, so it’s critical educational institutions include it in their curricula to avoid leaving students at a disadvantage as they enter the workforce. Download Now
This ebook covers tips for creating and managing workflows, security best practices and protection of intellectual property, Cloud vs. on-premise software solutions, CAD file management, compliance, and more. Download Now
RE: Need specs & chem analysis for 4042, 4047, 4640...
www.matweb.com
you will likely find that several of the materials are no longer used.
I'm not sure where to find old military materials spec. you might try a military history group or an office like that in the defense dept.
nick
RE: Need specs & chem analysis for 4042, 4047, 4640...
http://assist.daps.dla.mil/quicksearch/
Regards,
Cory
Please see FAQ731-376 for tips on how to make the best use of Eng-Tips Fora.