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Mil spec numbers (Mil-B-5687A type II comp B),

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Aluminum
Joined
Mar 10, 2011
Location
Roca Nebraska
Mil spec numbers I have (Mil-B-5687A type II comp B), rod stock. Where can I find the mil spec on this part number?
I got close to it Mil-B-5687A type I comp A.
Phosphor Bronze Copper 87.0
Min. Tin 9.5 - 10.5
Phosphor 0.3 - 0.5
Other 1.5 max. SAE Type 1
Class A
ASTM B202-58T
Type 1 Class A
Mil B 5687A
Type 1 Comp.A 30,000 One of the strong sinter bronzes
 
I just looked up the Mil Spec, heres what I found:

Type II - IronBase
Grade1 - Iron-Carbon-0.25 percentuax carbon
Grade2 - Iron-Carbon-0.25 to .63percentcarbon
Grade3 - Iron-Coppsr- 7.0 to 11.0prcent copper
Grade4- Iron-copper- 18.0to 22.0percentcopper

Note it does not use A,B,C type nomenclature. Don't know what that means to you.

Heres the clement table:

Well, that didn't come out. I can email you the whole spec if you need it. PM Me.

Steve
 








 
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