> I'd prefer the welded steel than brittle cast iron anyway.  Steel when over stressed will bend, the cast iron will break clean off, most grades have have very little ductility.   Cast iron, repeat after me:  strong in compression, weak in tension.

I'd think it's either cast or forged STEEL, which is an iron alloy.

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Andrew Grebneff
Dunedin, New Zealand
Fossil preparator
Mollusc, Toyota & VW van nut
Temporarily in Calgary, AB, Canada
<goose1047@gmail.com>