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#577364 - 08/09/20 10:23 AM Re: metal prep [Re: SKB]
Der Ami Offline
Sidelock
**

Registered: 07/04/12
Posts: 3563
Loc: East Alabama
Alabama is pretty humid and the German solution I use is aggressive enough that I don't need to polish past worn 320 grit. I apply it with de-oiled 0000 steel wool. I watch the color instead of applying a certain number of coats. Different parts of the same gun may take color differently. Highly polished, hardened, steel doesn't want to "bite" so stopping at 320 grit doesn't hurt.
Mike

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#577368 - 08/09/20 11:13 AM Re: metal prep [Re: SKB]
Recoil Rob Offline
Sidelock
**

Registered: 01/01/02
Posts: 4898
Originally Posted By: SKB
Rob,
instead of placing the barrels in boiling water they are subjected to a steam bath in a pvc tube. It works well and consumes less water.

Steve


Hmmm. I repair small steam generators for work.

How long must you generate steam for?
_________________________
My problem lies in reconciling my gross habits with my net income.
- Errol Flynn

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#577369 - 08/09/20 11:29 AM Re: metal prep [Re: SKB]
SKB Online   content
Sidelock
**

Registered: 12/31/01
Posts: 5570
Loc: Colorado
It takes a little time for the steam generator I use to come up to full steam production. Once that thing is cranking pretty good I put it in the tube for 12-15 minutes. I drilled a hole cross ways in the pipe at the top and insert the barrels which are suspended on a dowel placed through the hole. Place a cap on the top and excess pressure vents out through the hole drill for the dowel.


Steve
_________________________
http://www.bertramandco.com/

ACGG Professional metalsmith, firearms import services.

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#577380 - 08/09/20 12:35 PM Re: metal prep [Re: SKB]
Mark II Offline
Sidelock
**

Registered: 12/06/11
Posts: 738
I have found the speed of my carding wheel makes quite a bit of difference in the outcome. It seems I run faster than most people. It seems to burnish along with carding. It does make it harder to blend the kind of flaws you can get with more of a mat finish.

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#577384 - 08/09/20 12:55 PM Re: metal prep [Re: SKB]
SKB Online   content
Sidelock
**

Registered: 12/31/01
Posts: 5570
Loc: Colorado
Carding wheel....on my never ending to do list. I still card by hand using mostly steel wool but at times carding brushes as well.

Most time when I blend rust blue out I darken the area where I did my work to close the same color as the barrels then put solution on everything a time or two until I get the desired result.
Steve
_________________________
http://www.bertramandco.com/

ACGG Professional metalsmith, firearms import services.

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#577386 - 08/09/20 01:03 PM Re: metal prep [Re: SKB]
BrentD Offline
Sidelock
**

Registered: 01/21/04
Posts: 5075
Loc: Iowa
For a while, a friend was rust bluing with ammonia fumes. It was definitely but subtly different.
_________________________
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...never pay Dave "one more dime"

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#577568 - 08/11/20 09:40 PM Re: metal prep [Re: SKB]
hereford Offline
Sidelock

Registered: 11/03/16
Posts: 39
What type of sand paper are you using and the brand, where you get it, etc? I have been buying the cheap on the roll paper from harbor freight which wears out quick but easily replaced since on a roll. I use similar backers such as yours. They seem to work great. As for solutions I've used brownells, Mark's Express blue, and just bought a bottle of the laurel mtn. To date I like marks express blue best.

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#577576 - 08/12/20 06:39 AM Re: metal prep [Re: SKB]
SKB Online   content
Sidelock
**

Registered: 12/31/01
Posts: 5570
Loc: Colorado
I use Norton paper and like Pilkington's solution. I buy my paper in from several suppliers as it is easy to find. I like the free shipping from these guys:

https://www.zoro.com/
_________________________
http://www.bertramandco.com/

ACGG Professional metalsmith, firearms import services.

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#577614 - 08/12/20 06:41 PM Re: metal prep [Re: SKB]
mc Offline
Sidelock
**

Registered: 03/31/02
Posts: 1409
Loc: so.california
I have a steam cabinate for rust bluing.it has a water tank boiler in the bottom with a tube that feeds steam to the area where the barrels hang there is a heater to adjust the humidity a temp and humidity gage water is fed to the boiler through a garden hose it has valves for controlling steam water heat.

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#577615 - 08/12/20 06:43 PM Re: metal prep [Re: SKB]
mc Offline
Sidelock
**

Registered: 03/31/02
Posts: 1409
Loc: so.california
I have used Pilkington, brownells and laurel mountain forge solutions I cut the laurel MT.forge down by half

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