Any ideas of the alloy of this pic

[Budmen]

I would never have thought to post a pic expecting you guys to be able to identify an alloy but it has been done before so I figure why not.

I got these alloys from work not even sure its lead but i think it is. I have not put them on the cabin tree yet but you can scratch them with a good knife..





sorry for the poor pic quality its from a cell phone

Thanks for any and all information

[Max Brand]

58% bismuth and 42% tin with a melting point of 281 F. Interesting stuff.

Max

[bumpo628]

Here's a link: http://www.alchemycastings.com/lead-...ts/fusible.htm

LOW 281
Typical End Use Yield Temp: 281°F (138°C) Density: 0.315 lb/in3(8.72g/cm3)
Bismuth 58%
Tin 42%

Anchor shafts in permanent magnet rotors, locator members in aircraft assembly fixtures, metal parts in glass, magnets in fixtures
Make nests for parts in jigs and dial feed stations
Cores for electroforming
Embossing dies, form blocks
Joggle jaws
Lost wax pattern dies
Duplicate foundry patterns
Tracer models in profiling
Molds for plastics, sheet plastics, plastic teeth, prosthetic development
Potting electronic components
Laps for rifle barrels

INDUSTRY EQUIVALENTS: AIM 138, AsarcoLo 281, CerroTRU, Indalloy 281, Ostalloy 281

[Budmen]

The amount of knowledge on this site is amazing thanks for the help seems like it wont work too well for casting

[bumpo628]

The amount of knowledge on this site is amazing thanks for the help seems like it wont work too well for casting

If you have a lot of it, then you can sell it to Rotometals.

You could always try using it for casting on a small test batch.

[Max Brand]

I'd find a buyer for it because you could sure buy a lot of lead for what that stuff would bring. I found some going for $27.50/lb on fleabay.

Max

[runfiverun]

bismuth will harden a lead alloy.
unfortunatly it also makes the alloy brittle iif much of it used.
keep the bismuth around 1-2%.

[AndyC]

Is that anything like Cerrosafe, the chamber-casting alloy?

[Budmen]

I would love to have enough to sell but I only have the three bars pictured not worth the effort I dont think Thanks for all the information And I too wonder if this has any properties like cerrosafe sounds like it doesnt it