WELDING PROCEDURE AND WELDER QUALIFICATION

WELDING PROCEDURE AND WELDER QUALIFICATION

Ñ The welding procedure qualification is utilized to show the compatibility of :

1) Base metal(s)

2) Weld or braze filler metal(s)

3) Process(es)

4) Techniques

Ñ The general sequence of Welding Procedure Qualification

1) Select welding variables

2) Check equipment and materials for suitablity (kesesuaian)

3) Monitor weld joint fitup as well as actual welding, recording all important variables and observations

4) Select, identify and remove required test speciments

5) Test and evaluate specimens

6) Review test results for compliance with applicable code requirements

7) Realease approved procedure for production

8) Qualify individual welders in accordance with this procedure

9) The welding inspector must then monitor the use of that procedure during production to assure that it continues to produce satisfactory results.

Ñ The general sequence of Welder Qualification

1) Identify essential variables

2) Check equipment and materials for suitablity (kesesuaian)

3) Check test coupon configuration and position

4) Monitor actual welding to assure that it complies with aplicable welding procedure

5) Select, identify and remove required test samples

6) Test and evaluate specimens

7) Complete necessary paperwork

8) Monitor production welding