6g welding position pdf

The 1g and 5g horizontal and 2g vertical positions refer to the pipe position. The american welding society has defined the four basic welding positions as shown below. If a welder has the qualification of 1g position, he is not permitted to conduct welding in more difficult positions such as 6g position. This subject is very complicated and only these precautions related to arc welding will be discussed in this brochure. But on the contrary, if the welder has a 6g position qualification, then he is permitted to carry out welding in the 1g position. But when welding in 5g and 6g positions on smaller diameter pipe. Welding position is an important variable to determine weld quality. Job description and responsibilities of pipe welders. All welding can be classified according to the position of the workpiece or the position of the welded joint on the plates or sections being welded. But for clarity, we will give you the complete picture of each.

For most welders, the metal that they certify in is carbon steel or a36 steel. Flat, horizontal, vertical and overhead welding positions 1g, 2g, 3g and 4g. It is easiest and efficient type of weld to be performed. Pipe welding how to pass a smaw 6g pipe welding certification. Review the techniques required to apply the root pass. The metal deposition rate in horizontal welding is next to that achieved in flat or downhand welding position.

But, when you are using the 5g position, the pipe is not turned or rolled during the welding operation. How to do a cap weld on a 6g pipe test electrode angle for cap weld. Welding positions according to din en iso 6947 messer group. Some welding processes have all position capabilities, while others may be used in only one or two positions. Mar 29, 2016 5g welding position is the welding of the pipe in horizontal position that cannot move and is fixed. Apply to welder, assembly technician, fabricatorwelder and more. When you are using the 6g position for pipe welding, the axis of the pipe is at a 45degree. The 6g welding certification is far from easy to pass and has a lot. Technique for tig welding pipe in 6g position using a tig finger heat shield and slightly different technique for the root pass. Successful testing in these positions qualified the welder for all positions. Direction of welding is vertical either with upward or downward progression. 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. What are the 1g, 2g, 5g, and 6g pipe welding positions. Mar 30, 2019 welding position is an important variable to determine weld quality.

The 5g pipe welding position is similar to the 1gr position but it can not be rolled or moved. In this position the both plates and the axis of the weld are horizontal. Mar 16, 2016 types of welding positions welds are categorized according to the positions of the welds during welding. The 6g position is at a 45 degree angle and can not be moved at all. Pdf download basic arc welding smaw pdf full ebook. For instance if a welder gets qualified with a 6g position that welder would be qualified to weld in any of the other positions. Discuss the details related to each pipewelding position. Qualifications for pipe welding are usually done in the 6g or in both 2g and 5g positions. Welding positions iso, asme and aws welding software. The 6g welding test by professor of radiology hartshorne i n consultation with cmo rick kirby what on earth is a 6g pipe test. In horizontal position, the plane of the workpiece is vertical and the deposited weld head is horizontal. Tig welding pipe 6g certification test techniques youtube. When arc welding in a confined area, such as a boiler, tank, or the hold of a ship, bear in mind that all the hazards associated with normal arc welding are amplified, so the precautions mentioned here are even more important. Its important to understand the types of welding positions as different welding processes require to be performed at a certain position of the welder.

For the past few months, we posted the welding positions for each category. Pj pipe position for welding downwards inclined position formerly pg. Aug 17, 2017 vertical position 3g or 3f overhead position 4g or 4f note. Welding positions production welding positions groove welds fillet welds standard test positions positions 1g, 3g, 6g, 2f. The basics of welding certifications and test positions. In the 6g welding position, the pipe slopes at approximately 45 from the horizontal x axis or 45 from the vertical y axis. May 17, 2019 different welding test positions based on aws and iso.

The pipe welding techniques used and the procedure is also identical to the asme section ix pipe welding certification. The welding positions shown above are commonly used by. Flat welding in flat welding, plates to be welded are placed on the horizontal plane and weld bead is also deposited horizontally fig. How to do a cap weld on a real 6g pipe welding certification. Comparison 1g 2g 3g 4g 5g period 1980 1990 1990 2000 2000 2010 2010 2020 2020 2030 bandwidth 150900mhz 900mhz 100mhz 100mhz x bw pr. May 29, 2019 summary of asme bpvc section ix part 2 february 23, 2019 may 29, 2019 sandeep anand 0 comments in part 1 of this article, we had discussed about the general requirements as mentioned in part qg of asme bpvc section ix. Types of welding positions welding positions for plate. Welding out of position is rarely easy and rarely the most efficient. The fabrication of smaller diameter pipe systems, such as those found in power plants or oil refineries, as well as their maintenance an. Mar 04, 2015 5g pipe is fixed at horizontal position. This is one of most commonly used and convenient welding position. Improving productivity on outofposition pipe welding welding out of position is rarely easy and rarely the most efficient.

General instructions for testing welders positions are illustrated in qw461. Welding positions it is important to know the different positions due to it being used to it being used to qualify welders. But when welding on pipe, there is often no other option. For more details on pipe welding techniques, positions and how to get that certification. The process for obtaining pipe welding 6g certification varies from provider to provider. Different welding test positions based on aws and iso. As a result, the 6g pipe welding certification is one of the most soughtafter certifications in the industry. The 2g and 5g combination welding certification is also considered a 6g certification. This position of welding is most commonly used in welding vessels and reservoirs. Welding positions free download as powerpoint presentation. The 2g pipe welding position is fixed and can not be moved at all. Types of welding positions welds are categorized according to the positions of the welds during welding. Some welding processes have allposition capabilities, while others may be used in only one or two positions.

Each job must be run with safety, accuracy and timeliness in the welding area. There are four main types of welding positions, which we. If one clear 6g test, he will automatically qualifies for all. Welding is used in most forms of heavy manufacturing and construction, so its a useful and versatile trade.

Processes 215994 f 201801 guidelines for gas tungsten arc welding gtaw tig gtaw welding for product information, owners manual translations, and more, visit. The welder will be welding in three different positions, starting with the flat position, then going through the horizontal position. That is just about a quote of my thoughts when cmo rick kirby announced that he would be qualifying volunteers from plumbers and pipefitters local 412 so they could donate their skills to the restoration of the 2926. The welder conducts welding from the top of the pipe. The welding position refers to the position of the welding operator towards the workpiece to be welded. Welding positions production welding positions groove welds fillet welds standard test positions positions 1g, 3g, 6g, 2f, 5f, etc. Pj pipe position for welding downwards inclined position formerly pg welding positions according to din en iso 6947 pipe rotation pipe rotation pipe rotation pipe fixed pipe fixed pipe fixed jl045 pipe fixed welding downwards hl045 pipe fixed welding upwards pipe fixed pipe fixed pipe fixed pipe fixed b u t t w e l d s f l l e t w e l d s.

Its also more complex than outsiders would suspect, with a bewildering number of certifications for different welding equipment, materials and job types. The welder has primary responsibility is tig and mig welding of aluminum and steel also, stainless steel parts. Summary of asme bpvc section ix part 2 february 23, 2019 may 29, 2019 sandeep anand 0 comments in part 1 of this article, we had discussed about the general requirements as mentioned in part qg of asme bpvc section ix. In 6g pipe welding, there are 4 basic positions used, such as horizontal rolled position, vertical position, inclined position and horizontal fixed position. This video is about different types of plate welding positions i.

Vertical position 3g or 3f overhead position 4g or 4f note. Describe the electrodes and techniques required for the remaining passes. They can be classified into four welding positions. The 5g position is similar to the 1g position in that the axis of the pipe is horizontal. Welding positions for plate and pipe 1g, 2g, 3g, 4g, 5g, 6g, 6gr. This page is the cap welding part of how to pass a 6g pipe welding certification. In welding, a 6g position requires one pipe to be positioned at a 45degree angle to the other. This section covers the cap weld techniques and the rules for passing the cap welding inspection of the aws b2. May 03, 2020 some welding processes have all position capabilities, while others may be used in only one or two positions. Welding procedure specification wps may be generated by an authorized person i. Flat welding position 1g or 1f in flat welding the welders head remains above the test coupon. Bureau welders are expected to be qualified to weld in all positions.

For most pipe welders they will take the 6g welding certification and that certifies the welder for all position pipe welding plus all position structural welding. As pipe welding is so difficult, welders who excel at this skill tend to earn higher salaries than those employed to use other welding techniques. In 1g and 1f, the number 1 refers to the flat position, while the letter g stands for a groove weld and letter f stands for a fillet weld. It is to be noted that here position denotes pipes position, not the arrangement of the welding. Welding positions, a reference to the positional aspects of welding. Since welding pipe in the 6g position covers all of the pipe welding positions the information on this page can be applied to welding pipe in any position. In 5 g welding is done vertically either upwards or downwards. Dec 26, 2010 technique for tig welding pipe in 6g position using a tig finger heat shield and slightly different technique for the root pass. Pipe welding is especially difficult, because welders. There is also a 6gr position, which is the 6g position with a restriction simulating ring around the pipe. This is a very productive way of welding pipes manually, but should be done only with specific equipment for pipe welding against the force of gravity. Welders from all over the world tell me how much they like the tig. When obtaining certification directly from the american welding society, the applicant must complete the certification registration form, which includes personal information, what types of certification the applicant is attempting and the applicants test score. Because of gravity, the welding position affects the flow of molten filler metal.