1g 2g 3g 4g 5g 6g Welding Position Pdf. The Lincoln Electric Company Subject. The welder conducts welding from the top of the pipe.
1G 2G 3G 4G 5G and 6G6GR. F Designates fillet welds T Joint Lap Joint etc FLAT WELDING POSITION 1G OR 1F In flat welding the welders head remains above the test coupon. 1F 2F 3F 4F 1G 2G 3G 4G 5G 6G.
Position Tested Position Qualified 1G 1G Rotated F 2G F H 3G V 4G OH.
Generally the ways and ideas of welding are similar in different countries. Comparison 1G 2G 3G 4G 5G Period 1980 1990 1990 2000 2000 2010 2010 2020 2020 - 2030 Bandwidth 150900MHz 900MHz 100MHz 100MHz 1000x BW pr. The welder conducts welding from the top of the pipe. There is also a 6GR position which is the 6G position with a restriction simulating ring around the pipe.
