Super Hard Alloy Metal Ingot - 5 pounds (30%-Antimony, 70%-Lead)

(11 reviews) Write a Review
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5.00 LBS
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5 pound ingot

This ingot measures approximately 8-3/4" x 1" x 2"/

This is an alloy of 30% Antimony and 70% Lead that is a great source for hardening up your lead or wheel weights and is much easier to melt then pure antimony as we have done the alloying for you. This alloy will melt at around 745 Degrees which should be easy to reach in most small melting pots.

We sell Super Hard based on the percentage of antimony in the alloy. Note: We make no promise on Brinell Hardness of Super Hard, as the crystalline structure of the alloy does not allow us to properly measure it
, you would need a special commercial larger ball diameter machine in order to read the hardness correctly.

Lots of great info here about using super hard!

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11 Reviews

  • 5

    Posted by D. Hartford on May 15th 2020

    I used 1# of the SH with 4# of pure and 2 oz. of tin nuggets to get a BHN of 13.8. Roto shipping was fast and the ingots arrived well packaged. I will definitely be using them again.

  • 5
    Seems good.

    Posted by Rowdy on May 14th 2020

    I usually use this to make a blend just a tad tougher than Linotype. Stuff is way to brittle to use alone. But blends amazingly. Don’t forget to flux.

  • 5

    Posted by David Barnaby on May 1st 2020

    The products I have used from RotoMetals are excellent quality, shipped fast and correctly, great company.

  • 5
    good quality

    Posted by Murrell Wilhite on May 1st 2020

    good quality fast shipping very happy

  • 4

    Posted by Larry Mannix on Apr 23rd 2020


  • 5

    Posted by JoAnn Minafo on Apr 9th 2020

    This is what I needed.

  • 5
    Great alloy

    Posted by Steve on Dec 17th 2019

    This works great to mix with soft lead to create your own hardness needs.

  • 5
    Superhard Aloy

    Posted by Scott Anderson on Jul 13th 2019

    Good product. Easy to alloy

  • 5
    Very clean

    Posted by Andy on May 24th 2019

    I'm a beginner bullet caster, mostly experimenting at best. That’s why Rotometals product is so Great! It don’t have any trash in it. My Lee melting pot gets a 20# dose of pure metal

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