Passing a 1G Welding Certification Test - The Easiest Welding Test Or is 3G Vertical Easier?

Welding Certification tests are numbered by position and joint type. For instance a 1 G indicates a flat position groove weld. The 1 means flat position, and the G indicates a groove weld.

I saw a video the other day that advertised a  mobile welding lab that was used to train and certify welders. 

A few students as well as the instructor were  interviewed and described the 8 weeks of welding training  that led up to welding certification tests in the 1G position.

Passing a 1G Welding Certification Test - The Easiest Welding Test Or is 3G Vertical Easier?

What?

That's right, 8 weeks of welding training per process to be able to certify in a 1 G weld test.

I don't get it. After 8 weeks of training in a welding process, why can't the welder pass some other positions like 3G and 4G welding tests? 

Did you know that a 3G plate test combined with a 4G plate test certifies a welder in ALL positions?

That's all positions. Like 1G , 2G, 3G, and 4G. as well as every position of fillet welds imaginable too.

A 1G welding test certifies a welder to weld in how many positions? One ! that's it ...just one.

You get a lot more bang for your buck by training welders to certify in both the 3G and 4G positions.

Another issue is that 1G welding tests typically don't have very good pass rates.

You know why?

Gravity. That's right., gravity is working against you and not for you. Gravity lets the slag flow ahead of the arc on a 1G welding test and if you are not careful, it can cause cold lap and slag inclusions.

Gravity works For you and not against you on a 3G vertical plate welding test. 

Gravity keeps the flux behind the arc. The arc is then allowed to do its thing and penetrate into the base metal. As long as you maintain enough amperage and a tight arc, things will go well on a 3G vertical plate test.

The AWS (American Welding Society) classifies the 1G position welding test as the easiest.

I disagree with that when it comes to beveled groove welds.

I believe 2G horizontal and 3G vertical welding certification tests have better pass rates when it comes to a bend test or x ray testing.

Passing a 1G Welding Certification Test - The Easiest Welding Test Or is 3G Vertical Easier?
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Jody Collier's web articles on subjects like Welding Certification are full of Down and Dirty welding tips. For TIG, MIG, STICK welding along with a buttload of other welding information, visit http://www.weldingtipsandtricks.com/

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TIG Welding Certification Tests - Tips For Passing the Weld Test

What do Boilermakers, Pipefitters, and Aerospace welders have in common?

Passing a TIG welding certification test is usually required in order to be considered a qualified welder or to even be hired for the job in the first place.

Certification Tests

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For boilermakers and pipefitters a pipe or tube welding test is usually required and can be anywhere from 3/8" to 12 inches in diameter and depending on the job, the material welded is usually carbon steel or stainless steel, or carbon steel welded with ER309 filler metal. (occasionally other alloys are welded but carbon and stainless make up the bulk of welding tests given)

TIG Welding Certification Tests - Tips For Passing the Weld Test

Aerospace welders on the other hand might be required to weld practically any metal:

carbon steel / low alloy steel - 4130, 4140, 4340, 8630 stainless steel - 321, 347, 13-8, 15-7, 17-7, a286 nickel alloys - hastelloy x, inconel 718 aluminum - A355,356,357 castings, 6061, 2219 magnesium - az31b, titanium - 6AL4V, CP cobalt - L605, haynes 188 refractory alloys like columbium

Aerospace tig welding certifications tests are generally straightforward groove welds or fillet welds unless the special application provision of the American Welding Society D17.1 is used. Sometimes a simple groove or fillet weld test does not accurately represent the scope of welding performed.

In that case there is a provision for the welder to be certified using a scrap part, live part, or mock up test that represents the weld done in production. It is a more limited certification but it helps to certify a welder on tasks that adequately test the skill set required to do the job.

For Boilermakers and pipefitters, a tig welding certification test on tube or pipe pretty much represents the same joint done in the field.

Tips for passing any tig welding test:

purge...give lots of attention to getting a perfect purge by making sure ends are taped neatly and securely with a vent hole at the top for gas to escape. Clean the metal...Whether welding a pipe joint or sheet metal butt weld, if you don't clean the metal right, you will probably fail. Metals like aluminum and titanium are prone to porosity and filing the edge removes crud that will cause porosity...Some test inspectors will fail you on the spot just for not cleaning the metal. For aerospace tig welding tests, make sure to file the sheared edge of the metal Degrease with acetone or other approved solvent...give the rod a wipe too. Follow instructions...Whether written or from you test supervisor, pay attention, read, and follow instructions.

TIG Welding Certification Tests - Tips For Passing the Weld Test

Read more about Welding Certification along with tons of Down and Dirty welding tips.

For TIG, MIG, and STICK welding tips along with a buttload of other welding information, visit http://www.weldingtipsandtricks.com/

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