Kinsner: Projects: Soldering

ALLOY	MELTING RANGE		AVAILABLE FORMS
TIN-LEAD	ÁF	ÁC	WIRE	BAR	SOLDER PASTE	SOLDER FORMS	RECOMMENDED USE
Sn63Pb37	361	183	X	X	X	X	Most common, tin-lead eutectic used in PCB assembly applications.
Sn60Pb40	361-374	183-190	X	X		X	Used in single sided board soldering and solder dipping operations.
Sn55Pb45	361-374	183-203	X	X		X	Not commonly used, solder for high temperature solder dipping operations.
Sn50Pb50	361-397	183-214	X	X		X	Intended use for bit soldering and sweat soldering iron, steel, and copper.
Sn40Pb60	361-420	183-238	X	X		X	Higher temperature applications, common in automobile radiator soldering.
Sn30Pb37	361-460	183-258	X	X		X	Use as automotive body solder for filling dents.
No. 123	366-496	186-262	X	X			Low drossing alloy used in high temperature wire tinning operations.
Sn20Pb80	361-503	183-280	X	X		X	Not commonly used, solder for automotive body or radiator work.
Sn10Pb90	514-536	268-302	X	X		X	Alloy of choice for solder spheres and columns used in BGA/CGA fabrication.
Sn05Pn95	574-576	301-314				X	High temperature alloy used infrequently in special applications.
LEAD-FREE
Sn96.5Ag3.5	430	221	X	X	X	X	High temperature, eutectic alloy provides high joint strength.
Sn96Ag04	430-444	221-229	X	X		X	This alloy is used in applications where high joint strength is required.
Sn95Ag05	430-473	221-245	X	X		X	This alloy is used in applications where high joint strength is required.
100%Sn	450	232	X	X		X	Sometimes referred to as Sn99, is used for making tin additions to solder pots.
Sn95Sn05	450-464	232-240	X	X		X	For applications where connections see peak temperatures near 400ÁF.
SAF-A-LLOY	426-454	219-235	X	X		X	Special alloy developed for general use where lead free solder is mandated.
OTHER ALLOYS
Sn62Pb36Ag02	354-372	179-189	X	X	X	X	Used on silver coated ceramics and PdAg substrates, prevents silver leaching.
Sn60Pb36Ag04	354-475	179-246	X	X		X	Used on silver coated ceramics and PdAg substrates, prevents silver leaching.
Sn10Pb88Ag02	514-570	268-299	X	X	X	X	Used in products that operate in high ambient temperature environments.
Sn05Pb93.5Ag1.5	565-574	296-301	X			X	Used in products that operate in high ambient temperature environments.
Sn05Pb92.5Ag2.5	536	280	X	X		X	The highest temperature, eutectic alloy available from Kester.
Sn43Pb43Bi14	291-325	144-163	X	X	X	X	Used in low temperature electronic assembly applications.