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<blockquote data-quote="Shadowrider" data-source="post: 2943661" data-attributes="member: 3099"><p>It's most definitely NOT Melonite. It's a paint coating that appears to be baked on. Probably very similar to Ceracoat.</p><p></p><p>Melonite, CPQ, etc. is salt bath nitride heat treatment. Steel parts are covered in molten salt formulation for a time. It's a good process for firearms, very hard on the outside but still ductile in the core. </p><p></p><p>Now if they are applying this coating to steel that has been through the Melonite process, it's a definite improvement. As a matter of fact, if I were making my own gun and wanted the most "bullet proof" finish (functional, not appearance) that's exactly what I'd do. 17/4 stainless, precipitation hardened to about 30 rockwell C scale, then salt bath nitride, then ceracoat. That would be basically corrosion proof if the coating was not scratched. For alloy steel I'd do AISI 4340 heat treated to 32-34 Rockwell C, then manganese or zinc phosphate (parkerize) and ceracoat over that. You could drop both of these in the ocean for 100 years and pull it back up pristine.</p></blockquote><p></p>
[QUOTE="Shadowrider, post: 2943661, member: 3099"] It's most definitely NOT Melonite. It's a paint coating that appears to be baked on. Probably very similar to Ceracoat. Melonite, CPQ, etc. is salt bath nitride heat treatment. Steel parts are covered in molten salt formulation for a time. It's a good process for firearms, very hard on the outside but still ductile in the core. Now if they are applying this coating to steel that has been through the Melonite process, it's a definite improvement. As a matter of fact, if I were making my own gun and wanted the most "bullet proof" finish (functional, not appearance) that's exactly what I'd do. 17/4 stainless, precipitation hardened to about 30 rockwell C scale, then salt bath nitride, then ceracoat. That would be basically corrosion proof if the coating was not scratched. For alloy steel I'd do AISI 4340 heat treated to 32-34 Rockwell C, then manganese or zinc phosphate (parkerize) and ceracoat over that. You could drop both of these in the ocean for 100 years and pull it back up pristine. [/QUOTE]
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