Frederick's Cross and small dish

We all started somewhere. If you are brave enough, post a photo of your "first" metalworks. The first tongs you made, your first knife, the first forge you built, etc.
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Darryl Ponder
Posts: 325
Joined: Sun Feb 10, 2013 12:10 pm
Location: Minnetonka, MN

Frederick's Cross and small dish

Unread post by Darryl Ponder » Tue Apr 30, 2013 10:30 pm

Here is one of the first Frederick's crosses I made and also a small dish that I formed from some sheet metal in trying out a swage block I bought from Saltfork Craftsmen ( http://www.saltforkcraftsmen.org/ ).

The cross is of typical design. The dish is colored using heat (tempering colors) to taste and then the colors sealed under a coat of beeswax. It wouldn't stand up to any real use, but is good enough as a display piece on a table. I like the copper bronze look, so stopped heating the piece at that point and put a coat of wax on it.
20130430_230600 (Medium).jpg
Small Frederick's cross and small steel dish
20130430_230600 (Medium).jpg (133.74 KiB) Viewed 4325 times

Jim Moenck
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Joined: Sun Feb 10, 2013 5:23 pm

Re: Frederick's Cross and small dish

Unread post by Jim Moenck » Fri May 03, 2013 8:04 am

Darryl, I really like that bowl. Did you use some mild sheet steel for the stock? I too am a fan of heat treat colors. They make a great finish.

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Darryl Ponder
Posts: 325
Joined: Sun Feb 10, 2013 12:10 pm
Location: Minnetonka, MN

Re: Frederick's Cross and small dish

Unread post by Darryl Ponder » Fri May 03, 2013 8:54 am

Yes, it was mild steel stock that I used to make the dish. I am not sure of the gauge, but am guessing around 14-16. It was not very thin and not very thick. Just a small sheet of something I had laying around.

A ball peen hammer and a raising hammer were used to dish it in the swage block.

Dished the small section of mild steel sheet in the swage block, cut it out with some shears after dishing, ground the edges flat on my belt sander, hand sanded it bright inside and out, applied heat with a propane torch to generate tempering colors of my choosing, covered in beeswax coating. Done.

To all the beginners out there - The use of tempering colors is a great way to "color" your steel project. You can get colors in this palette: http://commons.wikimedia.org/wiki/File: ... _steel.jpg From what blacksmiths call "straw" colored to bronze to purple to varying shades of blue. All of these colors correspond to the surface temperature of the steel being tempered.

As you can tell from the photo, I stopped heating when the steel turned a deep copper/bronze color. What you are chemically doing is creating various types (and colors) of iron oxides (e.g. rust) on the surface of the clean steel by the application of heat. This color will scratch off, it is only on the surface. By itself, the color is about as durable as an inexpensive paint, maybe a bit more. However, it is attractive and the cost is right! Your finished surface must be protected with your favorite coating or the steel will simply continue the rusting process over time. A clear acrylic paint or clear polyurethane would have protected it much better than beeswax, but I wanted to keep it traditional.

The dish in the photo is kept inside, near a sink in the kitchen and is about five years old, so it isn't rusting. It is also just a display piece and isn't used for anything that might abrade the colors off or scratch through the beeswax protective coating.

wayne.olson
Posts: 22
Joined: Sat Mar 09, 2013 3:52 pm

Re: Frederick's Cross and small dish

Unread post by wayne.olson » Tue May 14, 2013 7:51 pm

Nice job Darryl.

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