Can welder ceritificate of AWS D1.1 be replaced by ASME IX ?

By gdffjyb001 Date 07-15-2016 09:45

FACT:

WPS/PQR (USED ASME IX ) had been approved by client,the detailed information lists as below:

Weld process: SMAW (E-7018, ROOT, HOT AND CAP);BASE METEL: ASTM A36 (Plate)

THICKNESS: 12mm Position: 2G/3G/4G NO PRE-HEAT AND POST HEAT TREATMENT

   AND ALL WELDER PASSED WELDER QUALIFICATION TEST AND CERTIFICATED BY THIRD PARTY AGENCY( BASED ON ASME IX ).

Question is:

   1) Shall new WPS/PQR be done according to AWS D 1.1 ? (Same material, only one for storage oil tank and one for steel work.)

   2) Can welder's certificate(ASME IX ) be used for steel work ?

THANKS.

By Lawrence (*****)

Date 07-15-2016 10:58 Edited 07-15-2016 11:01

The engineer of record for the project may make that decision. Nobody else.

See AWS D1.1 Clause 4

And Welcome to the Forum!

.

By 803056

Date 07-16-2016 02:20

One should be aware that ASME Section IX has very little in the way of visual acceptance criteria. Porosity, overlap, maximum reinforcement, no problem mon.

The acceptance criteria for guided bend tests per Section IX is not as stringent as that found in D1.1.

Best regards - Al