parkerization question

GreatBeefalo

December 06, 2004 13:27

is parkerization prone to rust, or is it just if the finish is scratched?
and also, is gun blue better for long term storage?
thanks

Conservatism, my anti-drug

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  nmyers

  December 06, 2004 15:43

  Parkerizing & bluing are both produced by chemical reaction on the surface of steel. Parkerizing is more resistant to rust than bluing, but neither is highly resistant to rust. Scratched or not, both will rust if exposed to moisture for too long. Those concerned with rust will more likely choose stainless steel, aluminum, or carbon steel with a proprietary coating.
  
  For long term storage, guns are best stored in a safe with low humidity & minimal temperature fluctuation. Moisture in the air should be controlled with a lamp (like a Goldenrod), or dessicant.
  
  Neal

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  noell316

  December 07, 2004 19:16

  Parkerizing is a coating on the metal, the reason that it stands up so well that if you look at it under magnification it look's like little craters and valleys. This allows it to hold protectants well. It is not as a resistant to corrosion as a finish like hard chrome, but resists corrosion better than a standard blue finish.

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  ern98

  December 07, 2004 21:36

  Parkerizing is a good maintainable stable chemical treatment for metal surfaces. Cabella's sells what they call "bearcoat" in which a barreled action is stripped, beadblasted, parkerized and then covered with a bake on epoxy finish. The idea is that the parkerizing is attacked by rust from the outside, bake on is attacked from rust developing under it. By combining the two you lock rust out comming and going.

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