Tig Welding Filler Rod Size Selection

Now i need to get some filler rod tungsten and whatever else i might need to learn how to tig steel and aluminum.

Tig welding filler rod size selection.

It just vanishes as he easily feeds it into the puddle. This will result in a weld that cracks as it cools. These factors include but are not limited to the type of steel type of weld loading on the welded joint applicable codes level of preheat level of restraint position of welding condition of the steel and service conditions. A lot of people think that making their own filler rod by cutting thin strips from the base metal will give them the best match of chemistry.

It s important to select the correct rod diameter too. Then he switches to a 1 16 filler rod. Looks like it is ball park figure of 1 2 the material thickness. What size type and brand filler rod should i buy.

I was looking at arc zone and there are way too many choices. 1 16 material 045 or 1 16 filler 3 32 material 1 16 or 3 32 filler. Er308l stainless tig rod when you know that you are welding 300 series stainless steel 304 is the most common 300 series stainless used you cant go wrong with er308l rods. Product demonstrations welding tips and more.

Table of contents tig torch connection diagrams gas cooled torches 3 water cooled torches 3 characteristics of current types for tig welding dc straight polarity 4 dc reverse. As for filler rod diameter use a rod diameter that matches the thickness of the base metal. I don t mind spending a couple extra bucks on good filler rod and tungsten so what should i start out with. While this may work in some instances it s crucial that you do not weld 6061 aluminum using 6061 as filler metal.

Next kevin caron shows the welds. So here are a few guidelines for choosing the best size filler rod for sheet metal thicknesses 1 8 3 2mm and under rod size should not be thicker than the metal being welded. Tig welding requires three main things. Heat is created by the electricity going through the welding tungsten electrode thus igniting an arc.

There are a lot of other stainless steel filler rods like 316l 321 and others and if you know what you are welding its best to use a match. It takes about 3 seconds to get the 1 8 filler rod to melt. Lastly a filler metal is dipped by hand into the melted weld pool to form a bond if required. Filler size recommendation was the same for butt lap corner and fillet welds only amperage changed depending on the weld.

Free training on your own time. Filler metal is selected for a specific application. For metals up to 1 8 inch it s best to use a rod diameter that s close to the thickness of the metal. This guide provides matching strength filler metal options see discussion about undermatching below.

Heat gas and filler material. Gas shielding to protect the weld from contamination provided through a compressed gas cylinder to flow around the weld zone. Tubing with a 1 16th inch filler 0 063 in is a bad idea because the tubing wall will melt before the filler rod is up to temperature.