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!
Google Drive file
51 Reviews
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Just what I needed for casting bullets mixed with soft lead
Bought this to mix with some softer lead to get a good grade of 17 to 19 BHN it worked as intended.
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superhard
works fine for bullet casting
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Exactly what I needed to modertly hard bullets
ok
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Super Hard Alloy
I use this super hard alloy to increase my bullet alloy to 22 BHN when using my Big Dipper furnace. Keeps me from having to use pure antimony with my propane burner and cast iron pan. Great product!
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Roto metals super hard alloy
Since Linotype is getting harder to find this is my alternative to my competition USPSA 150 grain coated bullet. 1 pound super hard alloy. Half a pound of 63/37 solder. 9 pounds of pure Lead. Gives me 10.5 pounds of BHN 12.1 Alloy. With 3% tin. 2.8% antimony. And 94% lead. You could quench it to raise up the BHN but for 9 mm at around 900 ft./s. 12.1 is perfect, especially when it’s coated.
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Super hard
Great product to add to you’re lead to harden bullets.
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SUPER HARD ALLOY METAL INGOT - 5 POUNDS (30%-ANTIMONY, 70%-LEAD)
Great product to harden your soft lead for casting bullets , easily mixes in with no hassle’s, fast shipping.
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Super Hard Alloy
Very easy to work with and fast shipping. Thanks!
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Super Hard
As advertised. New to casting so I need accurate data; tested my supply at BHN 11, needed it to be BHN 15. Added the listed amount of SH and tested the outcome. Spot on.
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