Available in 3 Sticks, 5 Sticks, 9 Sticks, 1 Lb (28 Sticks), 2 Lb (56 Sticks), 5 Lb and 10 Lb. Exposure to pressured steam can also result in accelerated corrosion. SÜA Silver Phos-Copper 5% should not be used on nickel-base and iron-base alloys, as the phosphorus reacts with the nickel or iron to form brittle compounds at the interface of the joints. Customers find the thread cutting gizmo excellent for chain piecing, with one mentioning it makes quick work of cutting chained sewn pieces Harris Stay-Silv 5 phos-copper brazing alloy filler metal .050" x 1/8" flat x 20" long rod in a 5 lb. tube is a medium range filler metal that is well suited... HAR5620F5 - Harris® .050 x 1/8 X 20 BCuP-3 Stay-Silv® Flat As the corrosion by sulfur is cumulative, even very small percentages will eventually cause failure of the joint disintegration. SÜA Silver Phos-Copper 5% and was developed primarily for use on copper, but its use has extended to other nonferrous copper base alloys. SÜA Silver Phos-Copper 5% is a copper rich, filler metal that is self-fluxing on copper by virtue of its phosphorus content. The properties of a brazed joint are dependent upon numerous factors including base metal properties, joint design, metallurgical interaction between the base metal and the filler metal. Brazing Rods SÜA® - BCuP-3 Silver PhosCopper Brazing Rod - 5% Silver - Flat - 1/8" X Brazing Alloy