Sometime we need qualify for welder to carry out a Fillet weld only. Have some following reason to perform this test. + New welder who have not too much skill to perform 1 groove weld test + The job just require a Fillet test only ( welding support… ) + Not require good welder with high skill + Saving the training time for welder + … So, we need to qualify welder for Fillet weld. As we know 1 welder is certified for grooves weld, it means he is certified for Fillet weld also. Now, how to do this test? We will carry … Continue reading Welder qualification for Fillet weld following ASME IX

Now we will continue these steps to carry out Qualify Welder! Welder qualification to perform the work follows an Approved WPS ( welding procedure specification. It has some steps as below: 1)  Code & standard apply for testing: In this case we use: ASME IX 2) Witness for Welder testing: Each performance qualification welder testing shall be done under full supervise and control by a third party. Normally, it is Classification ( ABS / BV/ DNV-GL, LR, KR… ) This party have to sign on welder card / welder cert after the welder pass examination. 3)  Train The Welder For The Process To Be Qualified:– … Continue reading Welder qualification follow ASME IX- Part 3: How to carry out a Welder qualification!!!

Following the discussion in Part 1: Welder qualification follow ASME IX- Part 1: Genenral Now we continue with the concerns on Essential Variable for Welder qualification status in Certification and Welding limitation at the site. 1) Essential variable ( QW-351 ) – for welder: – A welder shall be requalified whenever a change is made in one or more of the essential variables listed for each welding process. – Take an example for GTAW process: ( for other welding process, we do same thing, check each variable to know what happen on it when we change them ). + Joints: QW-402.4 states the … Continue reading Welder qualification follow ASME IX- Part 2: Essential Variable for Welder Qualification!

With this part, we will know GENERAL about Welder qualification follow ASME IX. 1)  Main purpose for Welder qualification: – To verify the skill of an individual to preform a qualified welding procedure specification ( WPS ) to produce a good weld. – Welders qualify to specific welding process NOT welding procedures ( need note this one: welding process & welding procedure ) – Welding process:             • Welder: have SMAW / GTAW / FCAW / GMAW …             • Welding operators : SAW… – Welding types:                • MANUAL / SEMI-AUTOMATIC – Welders … Continue reading Welder qualification follow ASME IX- Part 1: Genenral