This white element is an essential part of many alloys Purple-Silver, crystalline Bismuth has been in use since the early days of alloying, although during those times, it was often mistaken for Lead. It’s the most naturally diamagnetic element, which means it repels both north and south, and it has one of the lowest values…
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This is Bismuth based non-eutectic alloy which does not contract upon cooling. It is mainly used as a solder but also as a heat transfer medium. Another application for this material is to serve as a valve element in automatic fire sprinklers. The valve, having a low melting point, melts in fire and provides water to stop the fire from spreading. |
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| Belmont Product Code | 2503 |
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This is a Tin based non-eutectic low melting alloy . The principle uses of this alloy are in applications similar to investment casting in which it substitutes for the so called ” lost wax ” pattern dies. It’s other applications also include proof casting and sealing or soldering in low-temperature applications.
Forms: - Cakes
- Slug
Belmont Product Code 2405 Nominal Composition: - 40% Bi
- 60% Sn
Technical Info: - Melting Point - Solidus 281 F, 138 C
- Melting Point - Liquidus 338 F, 170 C
- Short-Term Tensile Strength lbs/sq.in. 8000
- Yield Temperature 302
- Weight lbs/cu.in 0.296
- Brinnell Hardness No. (500 kg) 22
- Growth/Shrinkage - Time after Casting: after 2 mi.: -0.0001
- after 1 hour: -0.0001
- after 24 hrs: -0.0001
- after 500 hrs: -0.0001
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This is a Bismuth based Eutectic low melting alloy used for tooling and production aids. It provides you with easily castable material that is ready for use as soon as it freezes. This alloy can be recovered easily and recycled into new uses a number of times. It is mainly used in the optical industry for lens blocking when grinding glass, plastic lenses and optical components. It’s low melting point allows it not to distort the glass or plastic which it supports. Also can be used for proof casting as well.
Forms: - 2 lb Cake Even Weight
Belmont Product Code 2451 Nominal Composition: - 44.7% Bi
- 5.3% Cd
- 22.6% Pb
- 19.1% In
- 8.3% Sn
Technical Info: - Melting Point - Solidus 117 F, 47 C
- Melting Point - Liquidus 117 F, 47 C
- Short-Term Tensile Strength lbs/sq.in. 5400
- Yield Temperature 117
- Weight lbs/cu.in 0.32
- Brinnell Hardness No. (500 kg) 12
- Growth/Shrinkage - Time after Casting: after 2 mi.: 0.0005
- after 1 hour: -0.0001
- after 24 hrs: -0.0002
- after 500 hrs: -0.0002
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This is a Bismuth based Eutectic low melting alloy used very often to bend tubes and rolled or extruded shapes. This alloy which is normally used for tubes up to 2-1/2″ Diameter allows them to be bent or formed to the desired shape without any kinks. Without using this material the tubes or shapes may kink or bend irregularly. It can also be used for work-holding, fusible safety devices and low temperature soldering.
Forms: - Cakes
- Capping Bars
- 1/8" & Down Shot
- .05", 1/8", 3/32" Dia Solid Wire
- 1/8" x 18" Cast Strips
Belmont Product Code 2505 Nominal Composition: - 50% Bi
- 10% Cd
- 26.7% Pb
- 13.3% Sn
Technical Info: - Melting Point - Solidus 158 F, 70 C
- Melting Point - Liquidus 158 F, 70 C
- Short-Term Tensile Strength lbs/sq.in. 5990
- Yield Temperature 158
- Weight lbs/cu.in 0.339
- Brinnell Hardness No. (500 kg) 9.2
- Growth/Shrinkage - Time after Casting: after 2 mi.: 0.0025
- after 1 hour: 0.0051
- after 24 hrs: 0.0051
- after 500 hrs: 0.0057