Are you looking for an alternative to lead-based alloys? Many companies are moving away from lead and copper and tin alloys due to the regulations and toxicity associated with the heavy metal, and that often means choosing bismuth. The good news is that bismuth has a relatively low melting point, and it’s durable and malleable…
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| Belmont Product Code | 7921 |
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This Lead Free Pewter Alloy is high in Copper to allow it to work well in Open Face, Gravity Pour, Sand and Cast Iron Molds with maximum detail. Has good strength. Forms: - 4-5 Ingot
- 1/4" and Down shot
Belmont Product Code 791NB7 Nominal Composition: - Tin: 91-93% with Antimony and Copper.
Technical Info: - Elongation (2" Section) : 40%
- Liquidus Temperature: 563F
- Solidus Temperature: 471F
- Casting Temperature: 515F
- Brinell: 23.8
- Tensile Strength: 8600 psi
- Solderability: Can be soldered Easily with soft solder
- Finishes: Mechanical, chemical, organic, and electroplated
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This is a Lead Free Pewter, also referred to as a Britannia Alloy that works well in Spin Cast Molds for designs, such as Fashion (Costume) Jewelry, with thin cross sections or fine filigree and maximum detail requiring less malleability and more strength.
Forms: - 4-5 Ingot
Belmont Product Code 791NR8 Nominal Composition: - Sn: 91-93% with Antimony and Copper in a Proprietary formula enhanced from our standard 7921 Brittania
Technical Info: - Elongation (2" Section) : 30% - 40%
- Liquidus Temperature: 478F - 490F
- Solidus Temperature: 435F - 463F
- Brinell: 21 - 25
- Tensile Strength: 7,000 psi - 9600 psi
- Solderability: Can be soldered Easily with soft solder and flux
- Finishes: Mechanical, chemical, organic, and electroplated
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This is a high purity Tin based Lead Free Pewter Alloy, that meets or exceeds most Lead Free requirements. We certify it to be less than 50 ppm Lead Content. It works well in Spin Cast Rubber or Silicone Molds for designs with thick cross sections or a smooth, polished finish and some malleability.
Forms: - 4-5 Ingot
Belmont Product Code 798NENTB Nominal Composition: - Sn: 97-99% with Bismuth and Silver in a Proprietary formula
Technical Info: - Elongation (2" Section) : 20% - 40%
- Liquidus Temperature: 465F - 485F
- Solidus Temperature: 515F - 635F
- Density: .23 - .275 lb. / Cu. In. @ 68F
- Brinell: 18 - 25
- Tensile Strength: 5,000 psi - 8700 psi
- Solderability: Can be soldered Easily with soft solder and flux
- Finishes: Mechanical, chemical, organic, and electroplated
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