Sn99Ag0.3Cu0.7 Solder

Tin is used to solder electrode welding rod. At elevated temperature and pressure conditions are not required to be used to seal solder metal welding. Soldering for electronics, electrical appliances, such as televisions, radios, radio transponders, instruments and calculators.

Compared with tin wire or solder paste, Sn63Pb37 solder sheet has advantages of accurate solder quantity, less flux, less residue, high reliability, good solder joint, and so on. Sn63Pb37 solder sheet is extensively used for slit assembly, large plane welding, and so on.

Lead-free solders generally available manufacturing method of the casting, i.e., said heavy metal raw materials, and heated and stirred in air melt in a crucible or pot. Solder alloy prepared by the method of the invention, its advantages First, reduce the melting point of the solder alloy, generally less than 200 ℃; Second, the solid-liquid phase difference between the alloy up the following 2 ℃, avoid isolated spot defects; Third alloy homogeneous, the alloy strength increases; Fourth spreading rate of the solder alloy can

The biggest advantage is its copper solder easily reduced oxides of copper, nickel and other metals have good wettability, in vacuum or protective atmosphere brazing carbon steel, low alloy steel, stainless steel, nickel, copper-nickel alloy , tungsten and molybdenum. In a reducing atmosphere brazing, the brazing material should be used, or oxygen-free copper deoxidized copper brazing.

This corrosion resistance tin wire also enjoys fast smelting speed and good fluidity. Lichuang soldering wire tube features little smoke, little pungent odor, few residues and high insulation resistance.The wire can prevent welding joint from cracking and flux from splattering.