Shenzhen soldering aluminum lead-free tin wire supply tin wire Sn99.3Cu0.7

It is more commonly used in the marketLead-free tin wireThere are silver-containing lead-free tin wire and regular lead-free tin wire. What is lead-free tin wire? Lead-free solder bars are produced through high-standard production processes, which can effectively incorporate antioxidant properties. During use, there is less tin slag. Moreover, as the product itself does not contain harmful substances and causes no pollution to the environment, lead-free solder bars areSn(tin),Cu(copper)The eutectic alloy,The eutectic temperature is227℃Compared with the traditional oneSn/PbThe filler metal is higher.34℃.

What are the differences between lead-free solder wire and leaded solder wire?

1The appearance features are different

Generally speaking, in terms of appearance, lead-free solder wire is slightly darker than leaded solder wire. Meanwhile, in terms of hardness, leaded solder wire is slightly softer than lead-free solder wire.

2The degree of oxidation is slightly different

Since solder wires are all soldered in a high-temperature environment, whether it is lead-free solder wire or leaded solder wire, if it stays in the environmental space for too long, corresponding oxides will be produced. Relatively speaking, lead-free solder wires produce more residual oxidation substances than lead-containing solder wires. So relatively speaking, the soldering effect of leaded solder wire is smoother on the surface than that of lead-free solder wire.

3The melting points are different

Because the metal composition of lead-free solder wire and leaded solder wire is not the same, the amount of lead they contain is different, and so is their melting point. Generally, the less lead content there is, the higher its melting point will be. Generally, the melting point of lead solder wire is approximately185The melting point of lead-free solder wire is around degrees, while that of lead-free solder wire is215to227About a degree.

4The welding control is different

Leaded solder wire is more convenient to handle in soldering because it has a lower melting point, which is more conducive to soldering. The tin purity of lead-free solder wire is relatively higher, and the soldering operation is more difficult. At the same time, the soldering operation time of lead-free solder wire will be longer than that of leaded solder wire.

Lead-free tin wireTypes:

1Lead-free tin-copper tin wire

2Lead-free tin wire of tin, silver and copper;

3,0.3Lead-free silver tin wire

4Lead-free tin wire for rosin

5Solid core lead-free tin wire

For those who want to know about solder paste, solder paste, low-temperature solder paste, solder wire and solder bar, welcome to consult Shenzhen JJY Industrial Technology Co., LTD. Let's learn and grow together!