![]() ![]() #IA-423, ternary (3-element) tin-silver-copper eutectic alloy, as well as similar alloys such as #IA-421, which contains With very few exceptions, they provide superior strength, wettability and corrosion resistance for soldering copper, brass, steel, etc., along with a good bond and color match with most grades of stainless. Silver Bearing Solders, not to be confused with silver solders (brazing alloys), offer certain physical properties unsurpassedīy other lead-free solders. Silver Bearing Alloys, distinguished by their Silver Content (Ag) from 0.5 to 5.0%, offer high strength and excellent wettability. All are compatible, yet each offers a unique melting range, which is good for handling multiple soldering tasks, much the same way you can use different solders from the lead-tin group. Johnson's #574, and #579 are economical, practical and reliable alloys found within the binary tin-copper family of solders. ![]() It is available in extruded bar, meter bar (⅜ x ⅜ x 15 inches), micro bar (¼ x ¼ x 15 inches) and wire. We recommend #497 as stronger and easier to use for sweating joints in potable water (plumbing) systems, water valves, roofing, plus many other production soldering applications. Johnson's #399, 95/5 tin-antimony solder, has been used by plumbers for many years due to its low cost and acceptable performance. Johnson's selection of Lead-Free Solders is one of the finest anywhere, offering unique properties that enable the best performance for a given application. SAFETY DATA SHEETS Johnson's PURE Lead-free Solders For Plumbing, Radiators, Valves and other Manufacturing, Commercial and Industrial Soldering Applications. You are here: Home » Solder » Lead Free Alloys HOME PAGE | ![]()
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