Solder Materials, Soft Alloys

Solder filler materials soft alloys engineering and chemical composistion, specification and uses. Braze Filler temperature operation range.

Nominal Composition [%]				Melting Ranges [oC]	Uses
Sn	Pb	Sb	Ag	Melting Ranges [oC]	Uses
70	30	-	-	183 - 192	for coating metals
63	37	-	-	183 - 183	as lowest melting solder for dip and hand soldering methods
60	40	-	-	183 - 190	"fine solder" - for general purposes, but particularly where the temperature requirements are critical
50	50	-	-	183 - 216	for general purposes, most popular of all
40	60	-	-	183 - 238	wiping solder for joining lead pipes and cable sheaths, for automobile radiator cores and heating units
35	65	-	-	183 - 247	general purpose and wiping solder
30	70	-	-	183 - 255	for machine and torch soldering
20	-	80	-	183 - 277	for coating and joining metals, for filling dents or seams in automobile bodies
10	90	-	-	268 - 299	for coating and joining metals
35	63.2	1.8	-	185 - 243	for wiping and all uses except on galvanized iron
25	73.7	1.3	-	184 - 262	for torch and machine soldering, except on galvanized iron
95	-	5	-	233 - 240	for joints on cooper in electrical, plumbing and heating work
1	97.5	-	1.5	309 - 309	for use on copper, brass and similar metals with torch heating