Soft Solders Applications - Thessco
The Thessco Group is one of the world’s largest manufacturers of Silver Brazing Alloys, Metal Joining Products and Industrial Silver Alloys.
Thessco Group, Silver Brazing Alloys, Metal Joining Products, Industrial Silver Alloys
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Soft Solders Applications

Alloys can be produced as solid or flux cored wire (Flux content 0.5-3.5%), bars or pre-forms. ST400 and ST300 are recommended for use in environments where ‘soft’ water would corrode conventional tin-lead solders. The Silver containing alloys resist Silver migration when soldering silver plated components. Special Alloys can be produced upon customers’ request.

Table 8

Thessco
Grade		Nominal
Composition		Melting Range (°C)EN 29453 SpecificationsComments
AgSnCuZnOtherSolidusLiquidus
ST40049622122428Good colour match for INOX
ST3504.596.522122128Good for narrow joint gaps
ST30039722122529
SC30097323025024Higher temperature resistance
SC10009010221295

Other materials are available upon request – please consult your Sales Office. Safety Data Sheets are available on request