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[Ltbadd]

Try calling Associated Steel, they sell AR plate and can probably answer your questions.

[Ltbadd]

He's just like you see in his videos

[Ltbadd]

Last year was my first, won't be able to attend this year, enjoy.

[Ltbadd]

Cool, wonder if that includes shipping to Florida...

[Ltbadd]

Pure was (is?) quite popular for welding aluminum, but because it's not alloyed, for any given diameter it will not stand up to the same amps as an alloyed tungsten will....

[Ltbadd]

Not 2% thoriated that's for DC, old school AC tungsten is zirconiated.

[Ltbadd]

Looks nice Bob

[Ltbadd]

How about some photos for us to engage our visual receptors on?

[Ltbadd]

Mold Weld Company is a good source for tool steel information, you can talk to their tech support if needed, just saying....

[Ltbadd]

If you go HERE you can search for your manual, I didn't find one with the number you provided, however on the same page you can search by the model (roughneck) name

[Ltbadd]

No, remember before inverter machines came along aluminum was successfully welded for decades, beside the Sycrowaves were known as a good machine for Al welding, congrats on your find.