Solder Wire, Form Solid Wire, Material Composition 91 Percent Tin, 4-5 Percent Copper, 1 Percent Others, Wire Diameter 0.118 in, Weight 1 lb, Melting Temperature (Minimum) 410 Degrees F, Melting Temperature (Maximum) 418 Degrees F, Solder Series Sterling, For Joining Brass to Brass, Brass to Copper, Copper to Copper, Application Plumbing, Potable Water, Container Type Spool, Standards ASTM B-32, NSF/ANSI 61-G and 372