Rotometals.com
Super Hard Alloy Metal Ingot - 5 pounds (30%-Antimony, 70%-Lead)
- SKU:
- SuperhardAlloy
- MPN:
- 548371
- Availability:
- in stock
- Weight:
- 5.00 LBS
- Shipping:
- Calculated at Checkout
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 9 - 48 | and get 4% off |
| Buy 49 - 99 | and get 7% off |
| Buy 100 or above | and get 9% off |
Description
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!
http://www.lasc.us/SuperHard.htm
42 Reviews
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Sterling!
Super Hard Alloy is the perfect mix for my application. RotoMetals is a phenomenal company to deal with. The prices are great, customer service is great, and speed of shipping is even better. My last order with Super Hard showed up too fast, believe it or not.
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Tin clippings and Super hard ingots
More alloy and tin to continue making my custom alloy for my special castings.
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IMO Necessary for bullet casting
I faced problems in casting AND coating with 10 BHN lead bullets, but when mixed 5:1 with this supper hard, BHN increased to ~15, and was able to use coating without any problems.
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Super Hard isGreat stuff.
Makes my job easier to do and to get it right.
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1 pound super hard and 10 pounds of wheel weights brought my bullet hardness to 14.9 BHN
I will say its a great product
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Superhard Alloy: I think it is excellent
From my POV, finding anitmony to add to dead-soft scrap lead I've been fortunate to be given has been problematic. Sure I could add high-quality bagged lead "target shot", but with this product providing me 30% antimony (instead of say 5%), I think this is a more direct route to obtaining to modest middle-of-the-road alloys I'm using for standard target -velocity pistol bullets. You'll need a decent scale and a way to cut the ingots if you have an old 10-lb Lyman or SAECO pot like I use because at say 4 or 5 % antimony, you'll be cooking up say 4 batches of alloyed ingots with each bar. Because of this, it Rotometals might consider making this alloy available in a form like a Toblerone candy bar so us homeboy bullet casters can cut it easier. Thanks for the nice product. I don't know where else I can get it. It is certainly shipped fast, too!
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superhard alloy
effective source of antimony; weights of ingots were accurate and fair; expect this to work well for casting bullets
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Excellent Allow, Superb Quality
I add this to pure cleaned salvaged lead along with tin to make Lyman #2 (92Pb, 6Sb, 2Sn) alloy for cast conical bullets. It works great and the alloy achieves the proper Brinell Hardness Number 14.
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A must have
I add one pound of this to pure lead along with linotype to get the hardness I'm looking for.
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