QW-100.2 In performance qualification, the basic criterion
established for welder qualification is to determine
the welder’s ability to deposit sound weld metal. The purpose
of the performance qualification test for the welding
operator is to determine the welding operator’s mechanical
ability to operate the welding equipment.
This Article is about passing the ASME 3G SMAW welding certification,. The purpose of this article is to help anyone out there who is about to take or conduct these tests & understand the welding procedure and help them a visual understanding of this welding certification.
The ASME SECIX & AWS D1.1 SMAW 3G welding certification by itself certifies a welder to weld in the flat, horizontal, and vertical positions, without taking the flat and horizontal welding certifications.
ASME sec IX , the chart 461.9 specifies test positions and corresponding qualification positions
* PLATE WELDER CAN WELD PIPE BUT OD SHOULD BE MORE THAN 73MM
Extent of approval is very well explained in QW461.9. Take particular note of welding positions which are also explained in QW461, for example to qualify a fillet weld in the normal horizontal-vertical position with a groove weld, the groove weld must be qualified in at least the 2G position. The welding positions defined in QW461.1.& QW461.2 should be referred to in the WPS. The position designations: 1G ,2G ,3G ,4G ,5G ,6G (Groove Welds) and 1F ,2F ,3F ,4F (Fillet Welds) are test positions