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Lucas-Milhaupt Silvacore® A38T Flux Cored Brazing Alloy

Category Metal , Nonferrous Metal , Precious Metal , Silver Alloy , Solder/Braze Alloy
Manufacturer Lucas-Milhaupt
Trade Name Silvacore®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Lucas-Milhaupt Silvacore® A38T Flux Cored Brazing Alloy.pdf
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Material Notes:
Silvaloy A38T is used for joining ferrous metals, copper, copper alloys, nickel, nickel alloys and combinations of these metals. The tin content provides good wetting on many difficult to wet metals such as stainless steel and tungsten carbide. This alloy, being free of Pb or Cd is preferred for long heating cycles and is suitable for use in controlled atmosphere brazing without flux. The largest use of this alloys is the furnace brazing although it is also suitable for other brazing procedures.Information provided by Lucas-Milhaupt Warwick, LLC (formerly Wolverine Joining Technologies).
Thermal Properties Metric English Comments
Melting Point 649 - 721 °C
1200 - 1330 °F
Solidus 649 °C
1200 °F
Liquidus 721 °C
1330 °F
Maximum Service Temperature, Air 204 °C
400 °F
continuous
316 °C
600 °F
intermittent
Component Elements Properties Metric English Comments
Copper, Cu 31 - 33 %
31 - 33 %
Metal (excluding flux)
Other, total <= 0.15 %
<= 0.15 %
Metal (excluding flux)
Silver, Ag 37 - 39 %
37 - 39 %
Metal (excluding flux)
Tin, Sn 1.5 - 2.5 %
1.5 - 2.5 %
Metal (excluding flux)
Zinc, Zn 26 - 30 %
26 - 30 %
Metal (excluding flux)
Electrical Properties Metric English Comments
Electrical Resistivity 0.00000950 ohm-cm
0.00000950 ohm-cm
Processing Properties Metric English Comments
Processing Temperature 721 - 843 °C
1330 - 1550 °F
Brazing Temperature
Descriptive Properties Value Comments
Boric Acid % 27
percentage of flux
Color Pale Yellow
Electrical Conductivity (% IACS) 18
Potassium Bifluoride % 27
percentage of flux
Potassium Fluoroborate % 25
percentage of flux
Potassium Tetraborate % 21
percentage of flux
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