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  • Test was performed under a controlled environment using a die casting machine with the test pins specially constructed to experience an extremely shortened life when placed directly in the line of metal flow.  300in/sec. with each shot averaging about 6 lbs.
  • The arrangement of the two pins allows for a comparison of a control H-13 pin to other materials, surface treatments, or diffusion processes.
  • Test procedures were developed to give an accelerated report on actual soldering and washout conditions as might be experienced during production die casting.

Click on diagram to view a larger image and other data
Click on diagram to view a larger image and other data

H13 Control Pin

TherMaLLifeÒ Pin


Core prior to test


Process Core


After 30 shots (equivalent 10,000 shots)


After 30 shots (equivalent 10,000 shots)

Solder removed by
dissolving with NaOH
Solder removed by
dissolving with NaOH


After 50 shots at end of
test
After 185 shots at end
of test

Solder again removed with NaOH - note erosion and loss of H13.
Solder again removed with NaOH - very little erosion of the H13 and loss of h13.

Aluminum impinged surface of H13 control pin (50 shots) before solder removal as shown on the right side of this photo.
 Aluminum impinged surface of processed core pin (50 shots) before solder was removed.

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Some web pages were last modified 07/14/2010
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