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Lucas-Milhaupt Silvaloy® A40T Brazing Alloy

Category Metal , Nonferrous Metal , Precious Metal , Silver Alloy , Solder/Braze Alloy
Manufacturer Lucas-Milhaupt
Trade Name Silvaloy®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Lucas-Milhaupt Silvaloy® A40T Brazing Alloy.pdf
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Material Notes:
Silvaloy A40T is a good general purpose, low melting, cadmium-free alloy, often selected for its low temperature, wetting and good flow. Silvaloy A40T has a lower brazing temperature with a relatively narrower melting range than other cadmium-free classifications with similar silver content. This alloy is particularly useful for joining steel, copper, and copper alloys. It has been proven most suitable for torch brazing with manual feeding into a joint where heating may not be consistent. It is also suitable for replacing as a ring or punching. It does not liquidate excessively if heated through its melting range. Typical applications are the joining of ferrous, nonferrous and dissimilar metals and alloys with close joint clearances.Information provided by Lucas-Milhaupt Warwick, LLC (formerly Wolverine Joining Technologies).
Physical Properties Metric English Comments
Specific Gravity 9.03 g/cc
9.03 g/cc
Density 9.03 g/cc
0.326 lb/in³
Thermal Properties Metric English Comments
Melting Point 649 - 710 °C
1200 - 1310 °F
Solidus 649 °C
1200 °F
Liquidus 710 °C
1310 °F
Maximum Service Temperature, Air 204 °C
400 °F
continuous
316 °C
600 °F
intermittent
Component Elements Properties Metric English Comments
Copper, Cu 29 - 31 %
29 - 31 %
Other, total <= 0.15 %
<= 0.15 %
Silver, Ag 39 - 41 %
39 - 41 %
Tin, Sn 1.5 - 2.5 %
1.5 - 2.5 %
Zinc, Zn 26 - 30 %
26 - 30 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.00000960 ohm-cm
0.00000960 ohm-cm
Processing Properties Metric English Comments
Processing Temperature 710 - 843 °C
1310 - 1550 °F
Brazing Temperature
Descriptive Properties Value Comments
Color Pale Yellow
Electrical Conductivity (% IACS) 18
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