Material Introduction
Low Melting Point
Material Introduction
Low melting point alloys mainly refer to alloys composed of Sn, Pb, Bi, Cd, and In. Our low-melting point alloys range from 40°C to 300°C, such as Wood's alloy with a melting point of 70°C and lead-bismuth alloy with a melting point of 125°C. The most common is bismuth metal.
Our high-purity bismuth powder is silver-gray and has a purity of ≥ 99.99%. It is mainly used for low-melting point alloys, metallurgical additives, solders, and similar applications
|
Name |
Bismuth powder |
|
Appearance |
Silver gray metal powder |
|
Chemical symbol |
Bi |
|
Atomic number |
83 |
|
Relative atomic mass |
209.98 |
|
Density/g·cm-3 |
9.78 |
|
Melting point/℃ |
271.2 |
|
Boiling point/℃ |
1564 |
|
Purity |
≥99.99% |
Specifications and Performance
|
Bismuth powder |
|||
|
Specifications |
BI100 |
BI200 |
BI300 |
|
Chemical composition |
≥99.99% |
≥99.99% |
≥99.99% |
|
Apparent density /g·cm-3 |
≥4.50 |
≥4.30 |
≥4.00 |
|
Granularity range |
-100~+200mesh |
-200~+300mesh |
-300mesh |
|
Low Melting Point Alloy |
|||
|
Grade |
Main composition of the alloy |
||
|
AT47 |
In、Sn、Bi |
||
|
AT70 |
Sn、Bi、Pb |
||
|
AT98 |
In、Sn |
||
|
AT125 |
Bi、Pb |
||
|
AT138 |
Bi、Sn |
||
|
AT236 |
Pb、Cd |
||
Fabrication Process
The low melting point alloy and the bismuth powder are prepared by means of smelting.
Advantage
Low melting point alloys feature low melting points, high boiling points, high thermal conductivity, and good fluidity. Therefore, they are widely used in mold casting, safety devices, metal bonding materials, nuclear reactor cooling materials, and similar applications.
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