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YouTube

Solving 5G Root Pass Defects: A Field Guide to TIG Techniques

Weld.com via YouTube

Overview

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This 17-minute tutorial features welding expert Jonathon Herrera joining Austin from Weld.com to demonstrate how to prevent common defects and discontinuities in 5G TIG root passes. Learn to identify and avoid typical mistakes including suckback, cold wire, excessive reinforcement, and lack of fusion. Discover optimal machine settings for 5G open root TIG welding, techniques for preventing underfill, methods to fix fisheyes without a grinder, proper ways to tie into tacks, and how to correctly terminate scratch start TIG welds. The comprehensive guide walks through each problem with practical solutions, making it valuable for both beginner and experienced welders looking to improve their vertical pipe welding skills. The video includes detailed time codes for easy navigation through specific techniques and offers additional resources including a free PDF welding symbol guide.

Syllabus

00:00 Introduction
00:36 Common TIG Root Discontinuities
02:25 Machine Settings For 5G Open Root TIG
03:14 How To Get Suckback On A 5G TIG Root Pass
05:05 How To Get Cold Wire On A 5G TIG Root Pass
05:49 How To Get Excessive Reinformenet On A 5G TIG Root Pass
07:26 How To Get Lack Of Fusion On A 5G TIG Root Pass
08:51 Recap Of TIG Root Defects
10:53 Preventing Underfill On 5G TIG Weld
11:50 How To Fix A Fisheye Without A Grinder
13:04 How To Tie Into A Tack Without A Grinder
14:16 How To Terminate Your Scratch Start TIG Weld
14:57 How To Tie In On The Top Of A 5G Weld

Taught by

Weld.com

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