Asme sec ix welding procedure and performance qualification dr g ravichandran sr manager, wri, bhel, trichy welding procedure specification it is a written document that provides direction to the welder for making production welds in accordance with code requirements. Lecture notes welding and joining processes materials. The picture below shows an example of a 6gr test position. Be alert that welding sparks and hot materials from. Before getting knowledge about the welding position, one must have a look at the types of weld used in welding. For everyone involved in any phase of welding steel structuresengineers, detailers, fabricators, erectors, inspectors, etc. Introduction in india the use of structural steel has been growing and it has become an important input material for construction. The purpose of the welding handbook for maritime welders is to provide guidance in modern welding and related processes and to provide the welder with a source of practical information on the right solution to specific onboard welding problems.
Nsqf level 5 minimum educational qualifications maximum educational qualifications 12th standard n. If this is not possible, tightly cover them with approved covers. Joint preparation and typical recommendations for 1g, 5g, 6g, and 6gr. Qualifications for pipe welding are usually done in the 6g or in both 2g and 5g positions. Perform field welding only when called for on the plans and in accordance with 107220. For example a 6gr test would be a pipe in the fixed 45. American welding society 550 nw lejeune road miami, florida 33126 aws d1. You may download around 50 ebooks files you need to sign in and join. Oxyacetylene, gmaw, gtaw, open plate, and pipe welding. The welder qualification test for manual and semiautomatic welding shall be one. When a certificate is issued, the relative documents such as test.
Areas of expertise include subarc welding, smaw, fcaw, 6gr, and 6g welding. Welding is a fabrication or sculptural process that joins materials, usually metals or thermoplastics, by causing coalescence. Gas welding and cutting oxyfuel welding, commonly referred to as oxy welding or gas welding is a process of joining metals by application of heat created by gas flame. Welding is a dependable, efficient and economic method for permanently joining similar metals. At the time of the preparation of this chapter, the referenced codes and other standards were valid. Experience gained from user contact and welding training of crewmembers showed that. General instructions for testing welders positions are illustrated in qw461. Saftey gear tig welding can be a pretty safe thing to do so long as you follow a few important safety precautions. The restriction ring adds difficulty similar to that which would be encountered welding a butt joint on a t, k, or y connection. Manual metalarc welding, gas shielded metalarc welding, gas welding, tig welding and beam welding of steels. Fundamentals of gas cutting and welding ced engineering. It has been estimated that approximately 50% of the gross national product of the usa arises from activities that are in some for or another related. A beam extending from the frame of a resistance welding machine to transmit electrode. Read drawing s, read fabercation drawings operate forklift, 30yr experience in welding field tig mig an stick.
Welders 6g and 6gr aws welding code issues engtips. The original question asked if 6g6gr referred to a welding process, personally i think superweld has got it dead right. Other positions can be seen in the other thumbnails. Whats a good technique when running a root pass with flux core. In 5 g welding is done vertically either upwards or downwards. Chapter 3 introduction to welding in the navy as well as private industry, welding is widely used by metalworkers in the fabrication, maintenance, and repair of parts and structures. Volume 2 of the american welding societys welding handbook, 8th edition, presents in1. Welding inspection technology workbook module %documents governing welding inspection and qualification q57 of the following types of documents, which have general acceptance in the welding industry.
Other available programs aws sense entry level i smaw certification aws sense entry level. Weld process and joint design and engineering formula menu. Tips to pass pipe 6g test using smaw process here is the step by step demonstration on how to perform a 6g pipe test using the shield metal arc smaw process. Welders guide to arc stud welding image industries. Th tal arc weldin c welding, gas, plasma arc w elding proces sing a manua c welding tech the welds ma y a combinat rd also presen nalysis of we hnicians and it covers the rticle, liquid p e acceptance elds tested t c, magnetic pa nd. Weld weight and area spreadsheet calculator calculations for double v, single v, compound v, backing strip and j groove weld weight and area weld branch asme b31. Wabo standard no washington association of building officials. Hi friends ive asked similar question in different form. Guidelines for pipe welding miller welding equipment. Qualification tests of welders to perform work in accordance with welding. I remember a long time ago someone had a link to a bunch of 6gr.
Protect yourself and others from flying sparks and hot metal. Successful testing in these positions qualified the welder for all positions. For further information on the categorization of the welding, joining, cutting, and allied processes, see appendix a. This is often done by melting the workpieces and adding a filler material to form a pool of molten material the weld pool that cools to become a strong joint, with pressure sometimes used in conjunction with heat, or by itself, to produce the weld. Each of the above type of welding can be further classified depending on other micro level characteristics. Advancing the science, technology, and application of welding and allied joining and cutting processes worldwide. Bureau welders are expected to be qualified to weld in all positions. If one clear 6g test, he will automatically qualifies for all.
American welding society chattanooga section 1 once coupon is tacked in position it cannot be removed. Do not weld where flying sparks can strike flammable material. Weld joint preparation iso 9692 edge preparation need poor penetration poor strength good penetration good strength 100% joint efficiency. The process uses shielding from an externally supplied. Filler material is typically added to strengthen the joint. Note the welding progression, vertically upwards or downwards, must always be stated and it is an essential variable for both procedures and performance qualifications. Wel 265 smaw carbon steel pipe 6gr 4 wel 266 smaw stainless steel pipe 6g 4 wel 267 gmaw s carbon steel pipe 6g 4 wel 268 gmawp aluminum pipe 6g 4. While under pipe butt weld joint 6gr welder not qualified to weld root without backing two sides without back gouging aws d1.
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