Home › Forum › Ask A Member › Johnson A-45 Stamp › Re: Johnson A-45 Stamp
September 3, 2015 at 12:34 am
#23062
Lynite
A complex white alloy of specific gravity 2.95 and tensile strength 28,000 lbs per square inch. Composition: aluminium 88%, copper 10%, magnesium .25%, iron 1.5%.