GE Material Specification
GE Material Specification
(OP)
Recently, I have run into a GE print (ca 1962) of a part that we need to have made. It lists several options for material, but under a General Electric material specification (B5F15B and B5F7H2 to be exact). Has anyone had any experience with this specification? It seems like an internal spec, but I have been unable to define the material apart from simple spark/hardness/magnetic tests on the OEM part.





RE: GE Material Specification
What is the part?
RE: GE Material Specification
We do have options to do a full series of tests to determine the exact composition, but if somebody has some experience with old GE material specs; that's preferable.
RE: GE Material Specification
B5F7H2 is Bars, aircraft quality Cr-Mo Steel, AISI E4140 or E4142, cold finished, heat treated.
My book is dated 1970. Does anyone know if GE still uses those material designations?
This post made me do some digging way in the back of the desk drawer.
rmw
RE: GE Material Specification
That's perfect. Do you mind if I ask the reference?
Thanks for digging in the back of the drawer!
RE: GE Material Specification
It reads a lot like a military specification.
I guess it was GE's version of the Enigma code that the Nazis used to confuse their enemies.
rmw
RE: GE Material Specification
Mike
RE: GE Material Specification
Can anyone locate an old EMPIS book to decode the following specs:
B11H97H
B11B3E
Can you help us AIRMACK?
RE: GE Material Specification
RE: GE Material Specification
Dear Airack & rmw:
We got the detailed specs finally from customer. So we did not need the EMPIS book afterall.
Thanking you anyway for your assitance,
CLD
RE: GE Material Specification
I clicked into this thread too late. I will glad to help if needed.
rmw
RE: GE Material Specification
Need to find out what GE designation B4C1C3 is?
Any help would be appreciated!