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Indium Corp. Indalloy® 121 Sn-Ag Solder Alloy

Category Metal , Nonferrous Metal , Solder/Braze Alloy , Tin Alloy
Manufacturer Indium Corporation of America
Trade Name Indalloy®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Indium Corp. Indalloy® 121 Sn-Ag Solder Alloy.pdf
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Material Notes:
Binary solder has history of use, marginal wetting. Standard tin-silver eutectic solder with wide application when lead-based solders do not meet temperature, strength or safety requirements. Not recommended against gold-plated surfaces. Excellent for step soldering with #42, #106, #165 and #171.Information provided by the manufacturer, Indium Corporation.
Physical Properties Metric English Comments
Density 7.36 g/cc
0.266 lb/in³
Mechanical Properties Metric English Comments
Hardness, Brinell 40
40
Tensile Strength, Ultimate 38.7 MPa
5610 psi
Elongation at Break 73 %
73 %
Thermal Properties Metric English Comments
CTE, linear 30.0 µm/m-°C

@Temperature 20.0 °C
16.7 µin/in-°F

@Temperature 68.0 °F
Thermal Conductivity 33.0 W/m-K

@Temperature 85.0 °C
229 BTU-in/hr-ft²-°F

@Temperature 185 °F
Melting Point 221 °C
430 °F
Eutectic
Solidus 221 °C
430 °F
Liquidus 221 °C
430 °F
Component Elements Properties Metric English Comments
Silver, Ag 3.5 %
3.5 %
Tin, Sn 96.5 %
96.5 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.0000110 ohm-cm
0.0000110 ohm-cm
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