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what is meant by 6g welding

by Jaeden Predovic Published 3 years ago Updated 3 years ago

The 6G welding position is a combination of both structural and pipe welding positions, with full transitions between them. To complete the weld, you will need to use both hands and weld both a hard and easy side. If this sounds difficult, it’s because it is.

In welding, a 6G position requires one pipe to be positioned at a 45-degree angle to the other. Both are horizontal. This presents a very challenging position for a welder, who uses all his skills and a variety of body positions to accomplish the most difficult weld in the 6G join: the overhead weld. Video of the Day.

Full Answer

What is the difference between 5g and 6G welding?

What is 5G and 6G welding? There are mainly four types of pipe welding positions- 1G – Horizontal Rolled Position. 2G – Vertical Position. 5G – Horizontal Fixed Position. 6G – Inclined Position. What is a 3F weld? Vertical Position (3F or 3G) In vertical position welding, the axis of the weld is approximately vertical.

How to get certified in 6G welding?

  • Flat position – This is basically standing or sitting at a table and welding a joint as you look down on it. ...
  • Horizontal position – This is welding a joint from left to right (or right to left) as you look across from it.
  • Vertical position – Here the weld joint faces you vertically (up and down) as you look straight at it. ...

More items...

What is 6g, and how does it work?

6G (sixth-generation wireless) is the successor to 5G cellular technology. 6G networks will be able to use higher frequencies than 5G networks and provide substantially higher capacity and much lower latency.One of the goals of 6G internet will be to support one microsecond-latency communication. This is 1,000 times faster -- or 1/1000th the latency -- than one millisecond throughput.

What is meant by the term 6G welder?

Welders performing the 6G certification test must weld in all positions including horizontal, vertical and overhead, and may have to weldboth right-handed and left-handed. This is called restriction welding, which the “R” in the term 6GR is with restriction ring, while 6G in the term 6GR is the same as in 6G position.

What are 6G welds used for?

The 6G position is a combination of all of the structural and pipe welding positions, with a full transition between them all, plus a hard side and easy side, depending on if you are left handed or right! Since pipe welders can (some not all) earn a doctor's salary this is the most wanted welding certification!

What is 5G and 6G welding?

There are mainly four types of pipe welding positions- 1G – Horizontal Rolled Position. 2G – Vertical Position. 5G – Horizontal Fixed Position. 6G – Inclined Position.

What does 1G 2G 3G and 4G mean in welding?

The positions of groove welds are divided into 1G, 2G, 3G, 4G, 5G and 6G, respectively indicating flat welding, horizontal welding, vertical welding, overhead welding, horizontal fixed welding of pipeline and 45 °inclined fixed welding of pipeline.

What does 6G R stand for?

6GR Stands for: The number '6' here stands for the Welding positions. The letter G stands for Groove. The letter R means restriction. 6GR Welder test Position is specified in AWS D1.

What is G in welding?

F stands for fillet weld, while G is a groove weld. A fillet weld joins together two pieces of metal that are perpendicular or at an angle. A groove weld is made in a groove between workpieces or between workpiece edges. Using this system, a 2G weld is a groove weld in the horizontal position.

What is a 6G pipe welding test?

What is a 6G Pipe Welding Test? A 6g pipe welding test is where the pipe is welded with the axis of the pipe at 45%…in a fixed position. When I say fixed position, that means that once welding begins, the pipe cannot be rolled or moved.

What is a 1 g weld?

1G Position In the 1G welding position, the pipe is in the horizontal position and can be rotated along the horizontal (X) axis. The welder's position remains stationary. Welding is performed on the top of the pipe. This is the most basic welding position that can be performed.

What is 2F in welding?

Horizontal Position (2F or 2G) In horizontal welding, the weld axis is approximately horizontal, but the weld type dictates the complete definition. For a fillet weld – welding is performed on the upper side of an approximately horizontal surface and against an approximately vertical surface.

What is 3F in welding?

Welding Certification Position 3F: Vertical Fillet Weld - YouTube. Welding Certification Position 3F: Vertical Fillet Weld.

How do you weld 6G?

2:554:086G MIG Welding Technique - YouTubeYouTubeStart of suggested clipEnd of suggested clipThat's real common in shop fabrication. And stuff to do TIG routes MIG fills and caps and stuff butMoreThat's real common in shop fabrication. And stuff to do TIG routes MIG fills and caps and stuff but we've level with the floor. You know two thirds of your time up here on this top lip.

What is 3G welding?

Welding in a 3G position means moving the torch vertically, up and down across a surface. This is in contrast with 1G (flat surface welding), 2G (horizontal welding), and 4G (overhead ceiling welding).

What are the steps in preparing the 6G welding position?

Pipe welding Process: SMAW 6G Pipe Basic CertificationBevel the Edges. For this certification, you need to make sure your bevels are at a nice 35-degree angle. ... Prepare and Put Together the Joint. Before you get started, make sure you know the size of the filler metal you are going to be working with. ... Weld! ... Test Weld Run.

Why is 2G welding flat?

This is pretty much just flat welding because the pipe will be lying on its side (on the curved edge) and can be rotated as you weld. The 2G position is fixed, which means that the pipe cannot be turned as you weld. In this case, the pipe is placed on its base, which makes it much sturdier and more stable to weld.

What is open root welding?

If a welding joint does not use a tacked backing plate, it’s known as open root welding, which is the most common process used while pipe welding. This is particularly difficult because you’ll essentially be welding across a gap (albeit a small one) so it’s important to use the right technique so that you don’t make a mess of the whole job.

What is the most challenging welding job?

Joining curved pieces of metal is more difficult than welding flat sheets, so by far the most challenging process you’re ever likely to come across is pipe welding, where you will be required ...

What is NDT welding?

These three methods are called non-destructive testing (NDT), where the welds must remain intact. However, when you’re practicing or being tested as part of your certification, it may be appropriate to actually break apart your pipe weld by separating it into sections and testing the strength and quality of each one.

Can you use a welding machine to test a weld?

You won’t just need to prove that you can use a welding machine; your welds will be tested for penetration, quality, and you may even be forced into a tight space with a restricted view to test your all-position welding technique.

Is it important to learn welding?

As a result, before you even think about tackling pipe welding, it’s important to perfect the art of plate welding first. Learning the structural welding basics will give you a much better understanding of welding in general, which is a great foundation for more complex procedures. As pipe welding is so difficult, ...

Do you need special equipment to do welding?

You will learn some of the most challenging welding techniques in the industry, but you’ll gain a highly prized skill set which is desired by employers and which will probably lead to a higher salary. You won’t need any extra special equipment, but this isn’t a welding process for the half-hearted.

Pipe and Plate Weld Joint Positions

Normally there are six welding positions with certain numbers and letter i.e. 1G, 2G, 3G, 4G, 5G, and 6G/6GR. All the positions are used in various angles and shapes while performing welding. Generally, the ways and ideas of welding are similar in different countries.

6G Welding Positions-

This is one of the hardest types of welding positions for welders to perform. The position is a pre-condition for getting certified. To some extent, this position is similar to 5G/PH/PJ but the pipe stands at 45° to the other one. Other names are 6G Uphill/H-L045 and 6G Downhill/J-L045 Position.

What is 6G welding?

The 6G welding position is a combination of both structural and pipe welding positions, with full transitions between them. To complete the weld, you will need to use both hands and weld both a hard and easy side. If this sounds difficult, it’s because it is.

How to test weld strength?

The weld’s strength will be tested through a visual examination, liquid dye test, bend test or radiographic test. Visual testing relies on a highly trained inspector and is the most subjective of the grading methods. The liquid dye test uses liquid dye to highlight any surface irregularities.

What is welding certification?

Because there are so many ways to distinguish a weld, the AWS has multiple certifications for each weld position. For 6G welding certification alone, the AWS has six different classifications.

What is the difference between two and five welders?

Five ( 5) means the pipe is fixed in a horizontal position. The welder will need to move around the pipe, welding from above, below and both sides. ...

How are pipe welding positions classified?

Pipe welding positions are classified by a coding system consisting of numbers and letters. There are four position types identified by numbers and two weld types identified by letters. These are as follows: One ( 1) designates a horizontal pipe that is not fixed and can be rolled while welding.

What are the advantages and disadvantages of becoming a certified welder?

The advantage of becoming a certified welder within an organization is that testing is usually done on the company dime, during work hours while you are being paid. The major disadvantage is that your certification is only valid while you are working for that organization.

Introduction

Magnum NDT technicians encounter several unique welding positions when performing non-destructive testing. In untrained hands, welding can be a safety hazard. That is why professional standard organizations such as ASME, AWS, ISO, JWES make rules and classifications for welding positions.

1G Position

In the 1G welding position, the pipe is in the horizontal position and can be rotated along the horizontal (X) axis. The welder's position remains stationary. Welding is performed on the top of the pipe. This is the most basic welding position that can be performed.

2G Position

In the 2G welding position, the pipe is in the vertical position and can be rotated along the vertical (Y) axis. The welder's position remains stationary. Welding is performed on the side of the pipe in a horizontal direction.

6G Position

In the 6G welding position, the pipe slopes at approximately 45° from the horizontal (X) axis or 45° from the vertical (Y) axis. The pipe is in a fixed position, so the welder must move around the pipe to perform the welding. This is an advanced welding position that requires a great deal of experience and technical expertise.

Levels of Experience

A welder's mastery over each welding position acts as a certification that qualifies him or her to perform more types of welding work. In other words, mastery over each position levels up a welder's qualifications. For instance, if a welder only a 1G position qualification, he cannot conduct welding in more advanced positions such as 2G, 5G, or 6G.

What is 6G welding?

A 6G pipe welding test as shown in the picture below is where the pipe is fixed at a 45-degree angle and welded in this fixed position . A fixed position means that once welding begins, the pipe cannot be rolled or moved. The welder has to weld all around the pipe in the same position. So, it basically covers flat, horizontal, vertical welding, and overhead in a single position. Hence considered one of the tough weld tests.

What electrode diameter is used for hot pass welding?

Hot pass welding can be carried out using 1/8’’ or 5/32’’ electrode diameter. Avoiding grinding during a hot pass is recommended as many welding inspectors don’t allow grinding during hot and fill passes to judge the quality of the welders.

What is the E6010 electrode?

E6010 is a cellulose-type SMAW electrode. The arc of E6010 is very strong and there is no slag. A welding current of 60 amp to 75 amp is well suited for welding root run using 3/32’’ E6010 electrode. Watch the below video to learn about the technique for full penetration open root welding using the E6010 electrode.

What is a hot pass weld?

The hot pass is the weld pass welded as the 2nd to 3rd pass on the pipe to cover the root weld. If done correct the hot pass will turn a flat root penetration surface to a convex, good looking one. If your root weld does not have enough penetration or even some suck back a good hot pass can fix that!

What test is required to certify a welder?

To finally certify a welder, the welder test coupon must pass a volumetric NDT such as RT or UT or can be substituted by bend test as permitted into ASME Section IX or AWS D1.1.

Is it better to do a 6G or 2G welding?

Before moving to pipe welding, it’s always better to first master the plate or structural welding. Once, you got confidence in structural welding, go for pipe welding in 2G, then 5G and then practice 6G. If you follow this, you will find 6G test much easier. Otherwise, you will struggle a lot.

What does the R in 6G welding mean?

This is another 6G weld position that is also challenging. The “R” in the name stands for restricted. In this position, welding is performed in a ring mode. What this means is that a steel plate is placed under the weld site with an inch gap.

What is horizontal 2G welding?

The horizontal or 2G position is a little bit more complicated than the flat position. In this position, the workpiece is placed parallel to your body when welding. Thus the workpiece remains in front of you when welding.

What certification do you need to weld a pipe?

In particular, pipe welders can apply for a 5G and 6G certification . These two are used for the most complex welding positions. Therefore they require more experience. The 6G certification is seen as the gold standard of welding certification. Welders with this certification can weld all-around a stationary pipe.

What is flat welding?

In the flat position, the joint or workpiece to be welded is placed under the welding torch. In this regard, the molten metal flows downward into the joint. The result is an easy to accomplish weld. This weld position can be used to perform groove, fillet, and butt welds.

What is welding position?

A welding position means the posture you need to assume towards the workpiece you are welding. In some cases, you will need to weld the workpiece in the position you find it and not adjust it in any way.

What does the 3 digit mean in welding?

These numbers refer to the characteristics of the electrode. And the third digit in an electrode’s number designation refers to the welding position it can be used in. For instance, the number “1” means an electrode can be used in all ...

Do you need to pass a qualification test to be a 3G welder?

As such, if you can weld in either the vertical or overhead positions, you qualify for a 3G or 4G certification. For the latter certification, you do not need to pass any qualification tests below those levels.

What is 6G weld?

Firstly, the 6G position is the type whereby your tubular weld joint has to be included at an angle of 45 degrees. It’s a difficult test to pass, though not impossible. For a 6G welder to pass this test and obtain certification, the test piece must be welded in its original position.

What do you need to know about 6G welding?

It has a steep learning curve and takes time to master. Therefore, if you want to pass the 6G certification with flying colors, then you need to know the ins and outs of this style of welding.

What is the difference between a 6G and 6GR welder?

The welder cuts a slope at a specific angle on the metal, particularly at the edge. Furthermore, in the 6G certification test, the welder has to weld in all positions while the 6GR position is for TKY joints. That’s it on the difference between the 6G and 6GR welder. Both are used to test welders for certification purpose.

Why is 6GR so challenging?

However, the 6GR is considered to be more challenging because of the obstacles a welder needs to overcome to have a smooth weld. If you are pursuing a 6G or 6GR qualification, then we wish you the best of luck. David Huner.

Is the 6GR the hardest welding position?

The G6 test positions and welding procedures are quite demanding. But concerning difficulty levels, the 6GR tends to be the hardest compared to the 6G. Anyway, the 6GR is still more of the 6G position test position, only that it features a restriction ring.

Do 6G welders make more money?

Well, most individuals claim that the 6GR welders tend to make more money than 6G welders, and that is a reasonable point, given how difficult it is to qualify as a 6GR welder.

Can you finish a 6G welding test?

You may also not be able to finish your welding test in record time. Another critical factor you need to consider in 6G welding is the level of penetration you were able to achieve. Bear in mind that a poor penetration is a recipe for disaster, and all your effort will go to waste.

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