What is Sn60pb40?

Pb40/Sn60 is the most commonly used solder alloy for microelectronics packaging. It is well understood that, heat generated by the circuits when a semiconductor device is on and the coefficient of thermal expansion mismatch between the soldered layers lead to the thermal fatigue of the solder joints.

What is the density of solder?

8.60 g/cc

Physical Properties	Metric	English
Density	8.60 g/cc	0.311 lb/in³
Viscosity	2.0 cP @Temperature 190 °C	2.0 cP @Temperature 374 °F
Surface Tension	461 dynes/cm @Temperature 430 °C	461 dynes/cm @Temperature 806 °F
	468 dynes/cm @Temperature 330 °C	468 dynes/cm @Temperature 626 °F

What is Sn60 solder?

4870–4875 Sn60/Pb40 No-Clean Solder Wire is electronics grade solder wire. The 60/40 solder uses a classic tin-to-lead alloy ratio, which is complemented by a no-clean, synthetically refined, spatter-proof resin flux core.

What is the formula for solder?

Molecular formula of solder

Compound Name	Molecular Formula	Molecular Weight
Soldering Flux	NH4Cl	53.49146

Is lead free solder better?

Lead-free solder has a negative joint reliability impact. From a mechanical influence point of view, lead-free solder is stronger than leaded solder. Furthermore, lead-free solder forms surface oxides, flux impurity, and alloy deposits that can cause poor contact resistance performance.

What is density of steel?

The density of stainless steel is approximately 7,500kg/m3 to 8,000kg/m3 depending on the alloy. Because it’s a metal alloy, the density can be affected by other volume of other elements present.

What is density of iron?

7.874 g/cm³ (near room temperature)Iron / Density (near room temperature)

What is flux in soldering?

What is Flux? Flux aids in soldering and desoldering processes by removing oxide films which form on the surface of metals being soldered. It increases the wetting ability of the solder, causing it to flow more uniformly over surfaces without balling-up (dewetting).

What is the composition of 95 5 solder?

tin-antimony solder
Silvabrite 95/5 is a general purpose tin-antimony solder often used in piping that contains drinking water due to its lead free nature. However, due to its antimony content, 95/5 should not be used on brass.