Category: WELDING

AWS D1.1 & ASME IX, WELDING1 Comment

Welder qualification for Fillet weld following ASME IX

Thanh ( QC ) Nguyen Le

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

AWS D1.1 & ASME IX, WELDING3 Comments

Welder qualification follow ASME IX- Part 3: How to carry out a Welder qualification!!!

Thanh ( QC ) Nguyen Le

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!!!

AWS D1.1 & ASME IX, WELDING2 Comments

Welder qualification follow ASME IX- Part 2: Essential Variable for Welder Qualification!

Thanh ( QC ) Nguyen Le

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!

AWS D1.1 & ASME IX, WELDING5 Comments

Welder qualification follow ASME IX- Part 1: Genenral

Thanh ( QC ) Nguyen Le

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

CSWIP 3.0/3.1/3.2, WELDING1 Comment

CSWIP 3.1: Question with Answer and Explanation – Part 15

Thanh ( QC ) Nguyen Le

  CSWIP 3.1 QUESTION AND ANSWER SERIES CSWIP 3.1: Question with Answer and Explanation – Part 1 CSWIP 3.1: Question with Answer and Explanation – Part 2 CSWIP 3.1: Question with Answer and Explanation – Part 3 CSWIP 3.1: Question with Answer and Explanation – Part 4 CSWIP 3.1: Question with Answer and Explanation – Part 5 CSWIP 3.1: Question with Answer and Explanation – Part 6 CSWIP 3.1: Question with Answer and Explanation – Part 7 CSWIP 3.1: Question with Answer and Explanation – Part 8 CSWIP 3.1: Question with Answer and Explanation – Part 9 CSWIP 3.1: Question … Continue reading CSWIP 3.1: Question with Answer and Explanation – Part 15

CSWIP 3.0/3.1/3.2, WELDING1 Comment

CSWIP 3.1: Question with Answer and Explanation – Part 14

Thanh ( QC ) Nguyen Le

  CSWIP 3.1 QUESTION AND ANSWER SERIES CSWIP 3.1: Question with Answer and Explanation – Part 1 CSWIP 3.1: Question with Answer and Explanation – Part 2 CSWIP 3.1: Question with Answer and Explanation – Part 3 CSWIP 3.1: Question with Answer and Explanation – Part 4 CSWIP 3.1: Question with Answer and Explanation – Part 5 CSWIP 3.1: Question with Answer and Explanation – Part 6 CSWIP 3.1: Question with Answer and Explanation – Part 7 CSWIP 3.1: Question with Answer and Explanation – Part 8 CSWIP 3.1: Question with Answer and Explanation – Part 9 CSWIP 3.1: Question … Continue reading CSWIP 3.1: Question with Answer and Explanation – Part 14

CSWIP 3.0/3.1/3.2, WELDING1 Comment

CSWIP 3.1: Question with Answer and Explanation – Part 13

Thanh ( QC ) Nguyen Le

CSWIP 3.1 QUESTION AND ANSWER SERIES CSWIP 3.1: Question with Answer and Explanation – Part 1 CSWIP 3.1: Question with Answer and Explanation – Part 2 CSWIP 3.1: Question with Answer and Explanation – Part 3 CSWIP 3.1: Question with Answer and Explanation – Part 4 CSWIP 3.1: Question with Answer and Explanation – Part 5 CSWIP 3.1: Question with Answer and Explanation – Part 6 CSWIP 3.1: Question with Answer and Explanation – Part 7 CSWIP 3.1: Question with Answer and Explanation – Part 8 CSWIP 3.1: Question with Answer and Explanation – Part 9 CSWIP 3.1: Question with … Continue reading CSWIP 3.1: Question with Answer and Explanation – Part 13

CSWIP 3.0/3.1/3.2, WELDING1 Comment

CSWIP 3.1: Question with Answer and Explanation – Part 12

Thanh ( QC ) Nguyen Le

CSWIP 3.1 QUESTION AND ANSWER SERIES CSWIP 3.1: Question with Answer and Explanation – Part 1 CSWIP 3.1: Question with Answer and Explanation – Part 2 CSWIP 3.1: Question with Answer and Explanation – Part 3 CSWIP 3.1: Question with Answer and Explanation – Part 4 CSWIP 3.1: Question with Answer and Explanation – Part 5 CSWIP 3.1: Question with Answer and Explanation – Part 6 CSWIP 3.1: Question with Answer and Explanation – Part 7 CSWIP 3.1: Question with Answer and Explanation – Part 8 CSWIP 3.1: Question with Answer and Explanation – Part 9 CSWIP 3.1: Question with … Continue reading CSWIP 3.1: Question with Answer and Explanation – Part 12

CSWIP 3.0/3.1/3.2, WELDING1 Comment

CSWIP 3.1: Question with Answer and Explanation – Part 11

Thanh ( QC ) Nguyen Le

CSWIP 3.1 QUESTION AND ANSWER SERIES CSWIP 3.1: Question with Answer and Explanation – Part 1 CSWIP 3.1: Question with Answer and Explanation – Part 2 CSWIP 3.1: Question with Answer and Explanation – Part 3 CSWIP 3.1: Question with Answer and Explanation – Part 4 CSWIP 3.1: Question with Answer and Explanation – Part 5 CSWIP 3.1: Question with Answer and Explanation – Part 6 CSWIP 3.1: Question with Answer and Explanation – Part 7 CSWIP 3.1: Question with Answer and Explanation – Part 8 CSWIP 3.1: Question with Answer and Explanation – Part 9 CSWIP 3.1: Question with … Continue reading CSWIP 3.1: Question with Answer and Explanation – Part 11