Joint preparation and typical recommendations for 1g, 5g, 6g, and 6gr. Welding procedure specification pipe 6g wl1p2ovqwjlj. Each welding procedure data sheet number should be unique so that the wpds can be easily referenced on production schedules, work orders, shop drawings etc. The manufacturer initially drafts a preliminary welding procedure pwps which is used by one of the manufacturers competent welders to prove that it is capable of producing a welded joint to the specified levels of weld quality and mechanical properties. The 6gr qualifies the welder for all positions and all prequalified joint details as well as the joint detail used to qualify the procedure per d1. The 2g position is fixed, which means that the pipe cannot be turned as you weld. In 5 g welding is done vertically either upwards or downwards. It would simply be recorded as the 6g position on the asme performance test report instead of 6gr. In this case, the pipe is placed on its base, which makes it much sturdier and more stable to weld. These qualification tests are intended to document the ability of a welder to make sound welds by following a weld procedure specification provided by the contractor. The pipe welding techniques used and the procedure is also identical to the asme section ix pipe welding certification.
A guide to 6g welding and overview of the 6g certification test. Source extraction local exhaust is a mechanical device used to capture welding fume at or near the arc and filter contaminants out of the air. Date and revision enter the date the welding procedure data sheet was prepared and the revision number. Scribd is the worlds largest social reading and publishing site. The 5g position is similar to 1g in that the pipe is placed horizontally, except that it is fixed and cannot move. Welder certification tests all tests are in the 6g position. Welding, brazing, soldering does not include mechanical fastening such as bolts, rivets, screws, etc. Its a step by step guide starting with a single piece of pipe and ending with a ready to weld pipe test following the aws b2. Safety in welding, cutting, and allied processes, csa standard. Fillet weld certification welding procedure wps 8 81 thru 83 3g4g plate certification welding procedure wps 9 91 thru 93 6g pipe certification welding procedure wps 10 101 thru 103 sip certification welding procedure wps 11 111 thru 1 encasement pipe welding procedure wps 12 121 thru 123.
Welding procedure qualification pqr a test that is performed to demonstrate that the contractor can make satisfactory welds as specified in the welding procedure specification mechanical testing is required and nde may be required, depending on the code being. If there is no impact or hardness survey requirement, one position covers all positions. Successful testing in these positions qualified the welder for all positions. If impact tests are required, the weld procedure approves other positions requiring the. In 5g, welding is done vertically either upwards or downwards. Sample welding procedure specifications are available on our website. Pipelines welding handbook welding techniques welding consumables. Welding procedure specification pipe 6g welding pipe. Qualification testsqualifkationtests are intended to demonstrate that the weldin. Welder qualification tests are only intended to measure the skills that are necessary to produce weld soundness. The process for obtaining pipe welding 6g certification varies from provider to provider. This page is about preparing weld test coupons for a 6g pipe welding certification.
Welding procedure specification pipe 6g free download as pdf file. Qualifications for pipe welding are usually done in the 6g or in both 2g and 5g positions. Put your coupons on the bench and gap them with a 332 tig rod or a 332 7018 electrode after you have knocked all of the flux off and bent it in the middle to look like this tips. The 6g welding certification is far from easy to pass and has a lot. The american welding societys board of directors has decided that ansi z49. It also qualifies the welder for all positions and joint details included in the wps for asme. Reference standards some welding standards that may be referenced are. Welding procedure specification pipe 6g welding pipe fluid. Specification for the qualification of welding educators american. Pipe welding how to pass a smaw 6g pipe welding certification.
The welding procedure approval record wpar is a record of this weld. Welding procedure qualification steps as a summary, welding inspector may be involved with each of the following steps or only a few depend on the structure of the particular organisation select welding variables check equipment and materials for suitability monitor weld joint fit up as well as actual 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. The qualifications of welding procedures and welders obligatorily be done according to the welding procedure specification. The welding techniques and associated equipment come in precautionary phase. This pipe welding position is the most difficult welding position. Only the welder has enough experience capable of welding with a 6g position. The welding input parameters require strict control during welding and. General instructions for testing welders positions are illustrated in qw461. All tests are in the 6g position unless indicated otherwise in the special notes column. This will require you weld in a variety of different positions, including overhead.
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. How to bevel pipe coupons for a real 6g pipe welding. They usually consist ofconventional buttjoints on plates or pipes base 2lnd filler materials, welding variables and heat. Processes 215994 f 201801 guidelines for gas tungsten arc welding gtaw tig gtaw welding for product information, owners manual translations, and more, visit. If one clear 6g test, he will automatically qualifies for all. Bureau welders are expected to be qualified to weld in all positions.
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