Xinghongtai Tin will explain the melting point of tin wire for you

When buying tin wire, the most important thing is not the price but the pureness of the tin wire. What is the melting point of the tin wire? Generally speaking, what is the melting point of the tin wire? Thai Tin will explain the melting point of tin wire for you:

The main component of tin wire is tin and lead. It is actually an alloy. The physical properties such as melting point and hardness are related to tin content. The tin content of solder is the lowest at about 60%, which is about 200 degrees Celsius.

With lead:

1) The melting point of 63/37 solder wire is 183 ℃ 2) The melting point of 60/40 solder wire is 185 ℃ -190 ℃

3) The melting point of 55/45 solder wire is 187 ℃ -202 ℃ 4) The melting point of 50/50 solder wire is 190 ℃ -216 ℃

5) The melting point of 45/55 solder wire is 192 ℃ -227 ℃ 5) The melting point of 40/60 solder wire is 194 ℃ -238 ℃

6) The melting point of 35/65 solder wire is 198 ℃ -247 ℃ 6) The melting point of 30/70 solder wire is 202 ℃ -256 ℃

Lead-free solder wire:

1) The melting point of Sn-Cu-Ni solder wire is 225 ℃ -227 ℃ 2) The melting point of Sn-Cu-Ag solder wire is 211 ℃ -219 ℃

3) The melting point of Sn-Bi-Ag solder wire is 205 ℃ -208 ℃ 4) The melting point of Sn-Zn solder wire is 117 ℃ -119 ℃

5) The melting point of Sn-Cu solder wire is 220 ℃ -222 ℃ 6) The melting point of Sn-Ag solder wire is 221 ℃

At present, the common tin wires on the market are divided into two categories: lead tin wires (lead solder wires) and lead-free tin wires (lead-free solder wires). Many specifications such as specifications and melting points are different.

Mainly the alloy composition, lead-free Sn96.5% Ag3.0% Cu0.5%, because it is not eutectic, so the melting point is in the range of 380-420 degrees; leaded Sn63% Pb37% is eutectic, melting point is 320- 380 degrees. Co-melting refers to the temperature at which several phases cool down to the point where co-melting begins. In simple terms, it is the temperature at the critical point at which several objects melt from the solid to the liquid at the same time.

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