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[Nunya]

Wolf's head?
Bear head?

How about swage block.

http://en.wikipedia.org/wiki/Swage_block

[Nunya]

1-water cooled torch?
2-torch hooked up according to schematic?
3-will it restrike or is it completely dead?
4-by "tick in the torch handle", did it shock you?
5-according to what you wrote, it established an arc, you felt the tick, then the arc extinguished?
...

[Nunya]

I hit submit too fast.
Lots of ships and buildings were built from iron until somewhere around (?) 1920's. That is a huge guess.

Wrought iron has a very low carbon content as compared to mild steel which can have up to .30%. Iron also has a mixture of slag and silica (glass) in...

[Nunya]

Black Iron is a catch all name for mild steel. The black iron title is still used on some structural blue prints, although it is becoming rare. Here in the U.S.A. construction workers usually call iron by the color of the paint applied to primed steel, such as, red iron (red oxide), gray iron and black...

[Nunya]

If you're welding cast iron you can preheat or use the cold weld technique.

Cold welding is making a weld bead approximately one inch long. Stress relieve by lightly tapping the weld surface with a hammer. I don't suggest punching holes in a perfectly good bead with a chipping hammer....

[Nunya]

Nice looking projects you've got there. Did you find someone to teach you or did you do this by yourself?

That's a fine looking rivet forge. I suggest that you put clay or sand in the bottom before you fire it up. If it's cast iron it could crack from the heat like so many others. If...

[Nunya]

Cast Iron can and is welded using Inconel. The latest copy of the AWS Welding Journal has a "Letters To The Editor" that covers this.

October 2007 issue
page 20

Note that this article does deal with welding dissimilar metals (ie, cast iron to stainless)....

[Nunya]

It ain't as fancy as yours. This one is made of mild steel. The spider is a former trailer hitch ball. It's attached by a ¼" diameter round rod that allows the spider to *crawl* across the webbing. Actually, it sorta swings in an arc from the pivot point at the top of the gate. I've got plans...

[Nunya]

That looks oddly familiar? ...