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Thread: Testing hardness with pencils

  1. #221
    Boolit Master
    6622729's Avatar
    Join Date
    Jun 2015
    Posts
    487
    All of the above. It depends on the information you are looking for. If you are trying to alloy a pot of metal you might test the components you are puting in the pot. You might test the alloy right after casting. You might test at the time of shooting to diagnose an issue with a load.


    Quote Originally Posted by adam_mac84 View Post
    I have read *most* of the pages here... but didn't see anyone commenting on when they test their alloys. Immediately after ingot/casting? After age hardening? 1 week? 2 weeks?

  2. #222
    Boolit Bub Dumasron's Avatar
    Join Date
    Apr 2012
    Location
    Southern Calif.
    Posts
    27
    Don't overlook the fact that alloys closer to pure lead will make heavier bullets from the same mould. My BACO snover mould (40 cal) Makes a 405gr bullet using 25:1 alloy and a 390gr bullet using Lyman #2 alloy.

  3. #223
    Boolit Master
    Join Date
    Jul 2016
    Posts
    1,090
    I also hated my Lee hardness test until... I got some scrap wood and made this simple holder. Quick and dirty BUT it really helps





  4. #224
    Boolit Mold
    Join Date
    Sep 2017
    Location
    Inverness, Florida
    Posts
    1
    I've tried using this pencil test and got some interesting results. I tested some ingots I cast from clip on wheel weights and some I cast from the stick on type. I expected to get readings similar to others with the tape weights being softer but this was not so. Both tested at 14 to 15 BHN. I tried various angles and pressures and always it was the HB pencil that made the scratch/cut. I also tested boolits I cast with each, both bare and powder coated with the same results. Is it me?

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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