Chemical Composition  (nominal composition)   
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     Cu               Fe       Pb           C                Sn       Mg  Acid Insolubles    Other 
Nominal    87.5-90.5   1.0 max     -     1.75 max    9.5-10.5     -               -                      0.5
Mechanical & Physical Properties 

Density (gm per cu. cm)
Porosity (% Oil by vol.)
"K" Strength Constant
Tensile Strength (PSI)
Elongation (% in one inch)
Yield Strength in Comp. (psi)
6.4-6.8
19 min.
26,500
14,000
1
11,000
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