Just tried to parkerize my first shotgun barrel... blasted, rinsed, degreased, rinsed, parked, then submerged in water displacing oil... the finish looks speckled... what did i do wrong? I can post pics if need be.
Gunsmithing Parkerizing Problems
- Thread starter jacq220
- Start date
Re: Parkerizing Problems
Just a guess, but usually if there is a problem with Parkerising, it is the degrease.
Just a guess, but usually if there is a problem with Parkerising, it is the degrease.
Re: Parkerizing Problems
i let them soak in boiling dicro clean 909 for around 15 minutes.... i am beggining to wonder if i didnt preheat them correctly.
i let them soak in boiling dicro clean 909 for around 15 minutes.... i am beggining to wonder if i didnt preheat them correctly.
Re: Parkerizing Problems
i am thinking now the batch wasnt seasoned properly... second attempt turned out pretty good... still some dark streaks (very faint)
i think these are from taking to long going from the park tank to my hot water rinse tank... anyone else care to chime in?
i am thinking now the batch wasnt seasoned properly... second attempt turned out pretty good... still some dark streaks (very faint)
i think these are from taking to long going from the park tank to my hot water rinse tank... anyone else care to chime in?
Re: Parkerizing Problems
What kind of Parkerizing kit or solution are you using? Sometimes parkerizing is done progressively like when you blacken stainles steel. The are removed from the solution and brushed. Then the solution can also be agitaded or stirred to prevent buildups.
What kind of Parkerizing kit or solution are you using? Sometimes parkerizing is done progressively like when you blacken stainles steel. The are removed from the solution and brushed. Then the solution can also be agitaded or stirred to prevent buildups.
Re: Parkerizing Problems
I´m not familiar with that product. But the should have similiar properties as others. Did you stir the solution?
I´m not familiar with that product. But the should have similiar properties as others. Did you stir the solution?
Re: Parkerizing Problems
When I get streaks or spots it's because I didn't get the parts into the post-park rinse tank quick enough. I agree with your thoughts here -
<div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body">i think these are from taking to long going from the park tank to my hot water rinse tank... anyone else care to chime in? </div></div>
When I get streaks or spots it's because I didn't get the parts into the post-park rinse tank quick enough. I agree with your thoughts here -
<div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body">i think these are from taking to long going from the park tank to my hot water rinse tank... anyone else care to chime in? </div></div>
Re: Parkerizing Problems
thanks for all the help... a few more test runs and i should be pretty proficent.
thanks for all the help... a few more test runs and i should be pretty proficent.
Re: Parkerizing Problems
Did you season the solution before you started?
Place a fine steel wool pad in the solution before you park.
I do this to a new batch.
Did you season the solution before you started?
Place a fine steel wool pad in the solution before you park.
I do this to a new batch.
Re: Parkerizing Problems
I get a steaked or speckled finish sometimes. I really do not know why. When it happens, do not put your parts in the water displacing oil. Rinse them in cold water and bead blast them again to an even finish (you do not have to remove all of the old parkerizing), rinse the media off in running water, soak them in hot Dicro for about 3 or 4 minutes, rinse and parkerize them again. They usually come out perfect the second time. I have actually started to do this process with all of my parkerizing. I get very good results. Just be careful to not touch the parts with your bare hands after blasting them. Use stainless wire hangers to lift and transfer between blaster and tanks. BTW, are you rinsing in cold, running water after the degreaser? If so, are you pre-heating the part/s in hot water before putting them into the parkerizing solution? Putting the cold part in hot parkerizing solution may be causing spots.
I get a steaked or speckled finish sometimes. I really do not know why. When it happens, do not put your parts in the water displacing oil. Rinse them in cold water and bead blast them again to an even finish (you do not have to remove all of the old parkerizing), rinse the media off in running water, soak them in hot Dicro for about 3 or 4 minutes, rinse and parkerize them again. They usually come out perfect the second time. I have actually started to do this process with all of my parkerizing. I get very good results. Just be careful to not touch the parts with your bare hands after blasting them. Use stainless wire hangers to lift and transfer between blaster and tanks. BTW, are you rinsing in cold, running water after the degreaser? If so, are you pre-heating the part/s in hot water before putting them into the parkerizing solution? Putting the cold part in hot parkerizing solution may be causing spots.
Re: Parkerizing Problems
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: JACQ</div><div class="ubbcode-body">Just tried to parkerize my first shotgun barrel... blasted, rinsed, degreased, rinsed, parked, then submerged in water displacing oil... the finish looks speckled... what did i do wrong? I can post pics if need be. </div></div>
If by "speckled" you mean the tiny little crystalline bright sparkling spots all over, that will occur if you leave the parts in the solution too long, or when the solution is too strong.
A weaker solution or older solution won't do that, but it can be knocked off with really light strokes with #0000 steel wool or a fine 3M green pad. Some consider that over parked, some guys like that effect. Post some pics if you want to.
TC
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: JACQ</div><div class="ubbcode-body">Just tried to parkerize my first shotgun barrel... blasted, rinsed, degreased, rinsed, parked, then submerged in water displacing oil... the finish looks speckled... what did i do wrong? I can post pics if need be. </div></div>
If by "speckled" you mean the tiny little crystalline bright sparkling spots all over, that will occur if you leave the parts in the solution too long, or when the solution is too strong.
A weaker solution or older solution won't do that, but it can be knocked off with really light strokes with #0000 steel wool or a fine 3M green pad. Some consider that over parked, some guys like that effect. Post some pics if you want to.
TC
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