Which brand/type of Solder Flux and/or Flow is recommended for use with HTM .3mm/50g Solder for electric connectors?

Generally, no other fluxes are required, but if you do, you can search our HTM fluxes to see if they meet your needs.

With a good soldering iron-will this work doing thin steel on steel and if not -what will? -craft work- thanks

This is a small diameter solder. I used it for wiring on my RV when I added new lights for a solid connection. It may work on steel to steel, but I doubt it would be very strong. I would look into brazing or welding the steel if there will be any weight or movement. If it is a craft or artwork, it would be fine for that.

What is the total length in centimeters for a spool of this HTM .3mm/50g solder?

The length of the solder wire is about 891 cm/350 inch, manual measurement may have a 1-2 cm error.

Can this be used with a heat gun

This is very thin solder wire. I don't think it was intended for large area soldering, however if your heat gun can melt the solder and heat the area to be soldered enough to also melt the solder, then I suppose it would work. It was intended for small areas such as computer boards used with a fine tip soldering gun.

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Rosin Core Solder Wire For Electronics,63/37 Tin Lead Low Temp Solder Metal Wire(1.0mm/50g)

Rosin Core Solder Wire For Electronics,63/37 Tin Lead Low Temp Solder Metal Wire(1.0mm/50g)

Product ID: 262765731

🔥Low melting point 185°C for smooth flow

🧵1.0mm diameter for precise micro soldering

⚖️63/37 optimal tin-lead ratio

AED 52

Duties & taxes included

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Description

⚡ Solder Smarter, Not Harder — Join the Elite Repair Pros!

COMPACT PORTABLE - 50g spool fits perfectly in your toolkit or pocket—ready for on-the-go fixes and pro-level projects.
PRECISION WIRE GAUGE - 1.0mm diameter wire offers fine control for delicate circuit boards and micro soldering tasks.
PERFECTLY BALANCED ALLOY - 63/37 tin-lead ratio ensures ideal melting and joint strength for flawless electronics repair.
ROSIN CORE FLUX INCLUDED - Built-in 1.8% flux guarantees strong adhesion and minimal cleanup, saving you time and hassle.
EFFORTLESS SOLDERING FLOW - Low melting point at 185°C means faster, cleaner joints with less heat stress on components.

This 63/37 tin-lead rosin core solder wire features a low melting point of 185°C and a precise 1.0mm diameter, delivering smooth, strong solder joints ideal for electronics repair. Its built-in flux streamlines the process, making it a top choice for professionals and hobbyists alike.

Specifications

ASIN	B08M65V5XR
Best Sellers Rank	#4,276 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #11 in Soldering Parts & Accessories
Customer Reviews	4.7 4.7 out of 5 stars (1,467)
Date First Available	October 28, 2020
Item Weight	1.76 ounces
Item model number	HTMSW63371050
Manufacturer	HengTianMei
Material	lead
Package Dimensions	5.55 x 3.74 x 0.75 inches
Part Number	HTMSW63371050
Size	1.0mm/50g

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