1. ASME BOILER & PRESSURE VESSEL CODE AN INTERNATIONAL STANDARD
SECTION IX
QUALIFICATION STANDARD FOR WELDING AND BRAZING PROCEDURES, WELDERS, BRAZERS, AND WELDING AND BRAZING OPERATORS.
2004 EDITION, JULY 1, 2004

2. ASME IX, 2004 EDITION
QW-100 GENERAL
Section IX of the ASME Boiler and Pressure Vessel Code relates to the qualification of welders, welding operators, brazers, and brazing operators and procedures that they employ in welding and brazing according to ASME BPVC and the ASME B31 Code for Pressure Piping.

3. Sec. IX divided into two parts : Welding & Brazing.
ASME IX, 2004 EDITION
QW-101, Scope
Introduction
Sec. IX divided into two parts :
Welding & Brazing.
Each part divided into four articles.
These articles deal with the following :
General requirements (Art. I Welding (W) & XI Brazing(B))
Procedure qual. (Art. II (W) & XII (B))
Performance qual. (Art. III (W) & XIII (B))
Data (Art. IV (W) & XIV (B))
Standard Welding Procedures (Art.V)

18. QW-100.1 The Purpose for qualification of a WPS
ASME IX, 2004 EDITION
QW The Purpose for qualification of a WPS
QW WPS  QW-200.1(a) ; (b); (c); (d)
QW PQR  QW (a); (b); (c); (d); (e)

19. QW-100.2 In performance qualification
ASME IX, 2004 EDITION
QW In performance qualification
QW The purpose of this req. is to ensure that the manufacturer or contractor has determined that his welders and welding operator using his procedures are capable of developing the minimum requirements specified for acceptable weldment. This responsibility can not be delegated to another organization.
QW Intent of Tests. The performance qualification test are intended to determine the ability of welders and welding operators to make sound weld

20. QW-102, Term and Definition  QW/QB – 492
ASME IX, 2004 EDITION
QW-102, Term and Definition  QW/QB – 492
As welded; Backing; Backing Gas; Build-up of base metal / restoration of base metal thickness; Buttering; DCEN; Dwell; Inter-pass Temperature; Pass; Temper Bead Welding; Test Coupon : Test Specimen; Weldment; Weld metal
QW-103, Responsibility
QW-103.1, Welding
QW-103.2, Records QW Requirement ASME IX, 1962

21. PRODUCTS
WPQT
WPS
PQR
PQR
HAVE BEEN RUN
TEST
WPQT
RUNNING PQR

22. Scope of Work Inspector for WPQ
ASME IX, 2004 EDITION
Scope of Work Inspector for WPQ
(Running PQR)
Review Propose WPS
Witness Qualification Test
Witness , Verification or Review result of The tests
Review PQR
Review WPS

23. Scope of Work Inspector for WPQ
ASME IX, 2004 EDITION
Scope of Work Inspector for WPQ
(Without Running PQR)
Review PQR
Review WPS

24. Contents : QW-200.1 (b)  See app. B
ASME IX, 2004 EDITION
Review Propose WPS
Contents : QW (b)  See app. B
Attention to The Essential Variable (QW 250) especially for metals requirement notch-toughness test  QW  P-No 11
Review Base Metal Certificate for carbon equivalent (QW ), ASME IIA Spec, Table QW/QB-422
Check Filler Metal Certificate for ASME II.C Spec.

25. Witness Qualification Test
ASME IX, 2004 EDITION
Witness Qualification Test
Before welding start : check all materials (base metal and Filler metal) ; equipments to be meet with reviewed PWPS and welder certificate (if any).
QW-211 Base Metal
QW-212 Type and Dimensions of Groove Welds
Welding : check actual A, V
QW-250 Verification Welding Variables
QW-203 Limits of Qualified Position for Procedures
QW-290 TEMPER BEAD WELDING

26. QW-202.2 Groove and Fillet Welds QW-202.3 Weld Repair and Buildup
ASME IX, 2004 EDITION Witness , Verification or Review result of The tests
QW-202, Type of Test Req
QW – 144 VI
QW Mechanical Tests (DT) – QW 451& QW 463, QW 151, 152, 153, QW 161,162,163, QW 171 or 172, QW 181, 182,183,184
QW Groove and Fillet Welds
QW Weld Repair and Buildup
QW Dissimilar Base Metal Thicknesses
QW-214 Corrosion-Resistant Weld Metal Overlay
QW-216 Hard_Facing Weld Metal Overlay
QW-217 Joining of Composite (Clad Metals)
QW-218 Applied Linings
QW 191 – RT

27. QW 200.2 (c) Changes to The PQR
ASME IX, 2004 EDITION
Review PQR
QW (a) PQR
QW (b) Contents
QW (c) Changes to The PQR
QW (d) Format , see QW 483 (app. B)
QW (e) Availability of the PQR

28. QW-200.1 (c) Changes to the WPS QW-200.1 (e) Avaibility of the WPS
ASME IX, 2004 EDITION
Review WPS
QW (c) Changes to the WPS
QW (e) Avaibility of the WPS
QW (f) Multiple WPSs With One PQR / Multiple PQRs With One WPS
QW Combination of Welding Procedures
QW-424 Base Metals Used for Procedure Qualifications
QW-451 Procedure Qualification Thickness Limits and Test Specimens
QW-201 Manufacturer’s or Contractor’s Responsibility
QW-103 Qualification made in accordance with the requirements of the 1962 edition

29. Scope of Work Inspector
ASME IX, 2004 EDITION
Scope of Work Inspector
for Welding Performance Qualification.
Witness Qualification Tests
Witness , Verification or Review result of the tests
Qualified Welder
Review WPS to consideration With List of Welder which will be test
Review Welder Certificate

30. QW-300.1 A welder or welding opr. May be qualified by :
ASME IX, 2004 EDITION
QW A welder or welding opr. May be qualified by :
Radiography of test coupon
Radiography of his initial production welding or
By bend test taken from test coupon except as stated in QW-304 and QW-305

31. Review WPS to consideration With List of Welder which will be test
ASME IX, 2004 EDITION
Review WPS to consideration With List of Welder which will be test
Attention to The Essential Variable (QW 350 & QW 360) and compare to WPS (QW-301.2)
Compare list of welder with identification of welders and welding operators.
Check Base Metal Certificate for carbon equivalent
Check Filler Metal Certificate for ASME II.C Spec

32. Witness Qualification Test
ASME IX, 2004 EDITION
Witness Qualification Test
Before start welding : check all materials, equipments, position, personnel shall comply with reviewed WPS and list of welder
QW Qualification Tests
Changes beyond which requalification is required are given in QW-350 for welder dan in QW-360 for welding operators.
Allowable visual, mechanical and RT are described in QW-304 and QW-305
The welder or welding operator who prepares the WPS qualification test coupons meeting the requirements of QW-200 is also qualified within the limits of the performance qualifications, listed in QW-304 for welder and QW-305 for welding operators. He is qualified only within the limits for position specified in QW-303
The performance test may be terminated at any stage of the testing procedure, whenever it becomes apparent or welding operator does not have the required skill to produce satisfactory results.

33. QW-310.2 Welding Groove With Backing
ASME IX, 2004 EDITION
QW Test Coupons
QW Welding Groove With Backing
QW Welding Groove Without Backing
QW-304 Welders, with limitation QW-350 & QW 416
QW-305 Welding Operators with limitation QW-360
QW-306 Combination of Welding Processes (det)
QW-381 Corrosion Resistant Weld Metal Overlay
QW-382 Hard-Facing Weld Metal Overlay (Wear Resistant)
QW-383 Joining of Clad Materials and Applied Linings

34. Witness , Verification or Review result of The tests
ASME IX, 2004 EDITION
Witness , Verification or Review result of The tests
QW-302 Type of Test Required
QW Record of Tests
QW-304.1, QW-304.2
QW-305.1, QW-305.2
If testing found reject, QW-321 Retest

35. QW-301.3 Identification of Welders and Welding Operators
ASME IX, 2004 EDITION
Welder Qualified
QW Identification of Welders and Welding Operators
QW-303 Limits of Qualified Positions and Diameters (See QW-461)
QW-423 Alternate Base Materials for Welder Qualification
QW-452 Performance Qualification Thickness Limits and Test Specimens
QW-322 Expiration and Renewal of Qualification

36. Review Welder Certificate
ASME IX, 2004 EDITION
Review Welder Certificate
Review all item Welder Qualified and contractor employee QW ; QW-300.3
Compare with WPS will be used production welding (QW-304 ; QW-305) within limits of the essential variables of QW-350 and QW-360

37. STANDARD WELDING PROCEDURE SPECIFICATIONS (SWPSs) QW-500 General
ASME IX, 2004 EDITION
STANDARD WELDING PROCEDURE SPECIFICATIONS (SWPSs)
QW-500 General
QW-510 Adoption of SWPSs
QW-511 Use of Demonstrated SWPSs
QW-520 Use SWPSs Without Discrete Demonstration
QW-530 Forms
QW-540 Production Use of SWPSs