Babbitts

LEAD BASED ALLOYS CHEMICAL COMPOSITION CHART

 

INDUSTRY NAME Grade

%Sn

(Tin)

%Sb

(Antimony)

%Pb

(Lead)

%As

(Arsenic)

No. 13 13 5.5 - 6.5 9.5 - 10.5 Balance 0.25 (Max)
Durite 15 0.8 - 1.2 14.5 - 17.5 Balance 0.8 - 1.4
Star   5.0 - 5.5 13.5 - 14.5 Balance 0.30 - 0.60
Royal 8 4.5 - 5.5 14.0 - 16.0 Balance 0.30 - 0.60
Special Sawguide   9.0 - 11.0 18.5 - 19.5 Balance 0.25 (Max)
Mill Anchor   5 12 83 0.25 (Max)
Silvertone   2 18 80 0.25 (Max)
Harris Heavy 7 10 15 74.85 0.30 - 0.60
Linotype 8 4 11.4 84.6  
#4 Regular 15 2 10 88  

Maximum Allowable Impurities: Cu=0.50, Fe=0.10, Bi=0.10, Zn=0.005, Al=0.005, Cd=0.05

 

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