Category: Steel (page 2 of 10)

TIG Welding CArbon Steel parts and Black Oxide Coating Process

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Parts used for tooling often require a black oxide finish.
After these parts were tig welded, they were bead blasted, and then coated with black oxide.
That begins with a boiling degreaser, then rinse water, then black oxide coating, then rinse again, and then a penetrating oil followed by an oven bake.

Dual Shield Flux Core Welding Basics

see part 2 here

flux core

BAsics of Dual Shield Flux Core Welding.
In this video, I discuss the importance of using the right drive rollers, the right size contact tip and stickout, the right polarity for E71t-1 wire, Resources for the right settings, and more…

the technique for flat and horizontal tee joints is pretty simple….just drag it in there.
But for vertical uphill welding with dual shield flux core, a slight manipulation of the arc using a series of triangles worked best for me.

More Tips for Scratch Start Tig, Some Stick Welding, and a Tiny welder

scratch start tig

A few more tips for scratch start tig welding along with walking the cup, stick welding, and welding with a tiny welder.

Scratch start tig can be done using almost any old DC stick welder.
But there are also some very affordable inverter welders that also work very well and are much more portable.

I am trying one of those inverter units in this video so I needed to do some tig welding as well as some stick welding.

Scratch Start TIG

scratch start tig

Tig Welding hot rolled steel with ER70S2 and ER70S6

tig welding hot rolled steel

While tack welding some hot rolled steel test plates, I experimented with 2 different tig welding rods.


The differences between the 2 rods are subtle… but I did notice that when penetrating all the way thru where the back side of the puddle is exposed to oxides, the er70s6 performed a little better.

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