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Thread: Babbit question

  1. #1
    Boolit Master Greg in Malad's Avatar
    Join Date
    Dec 2009
    Malad, Id

    Babbit question

    Current #3 babbit alloy has a tin content of about 83%. I have a 7# ingot of Otis #3, which I assume is babbit. It has a BHN 17, which would suggest a high tin content. Is the old babbit the same alloy as the new.

  2. #2
    Boolit Master madsenshooter's Avatar
    Join Date
    Jan 2006
    Upper Appalachia, SE Ohio
    It's probably quite similar, there were some standards set that manufacturers had to keep within when they produced a babbitt. Could however be a bit less Sb, as most babbitts have a BHN of at least 23, even some of the lead based ones.

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check