Contents
1. General Requirements l
1.1 Scope 1
1.2 Limitations 1
1.3 Definitions 1
1.4 Responsibilities 2
1.5 Approval 2
1.6 Welding Symbols 2
1.7 Safety Precautions 3
1.8 Standard Units of Measurement. 3
1.9 Reference Documents 3
2. Design of Welded Connections 5
2.0 Scope of Section 2 5
Part A-Common Requirements for Design of Welded Connections (Nontubular and Tubular Members) 5
Part B-Specific Requirements for Design of Nontubular Connections (Statically or Cyclically Loaded) 8
Part D-Specific Requirements for Design of Tubular Connections (Statically or Cyclically Loaded) 15
3. Prequalification of WPSs 57
3.1 Scope 57
3.2 Welding Processes 57
3.4 Engineer's Approval for Auxiliary Attachments 58
3.5 Minimum Preheat and lnterpass Temperature Requirements 58
3.6 Limitation of WPS Variables 58
3 .8 Common Requirements for Parallel Electrode and Multiple Electrode SAW 59
3.9 Fillet Weld Requirements
3. JO Plug and Slot Weld Requirements 59
3.14 Postweld Heat Treatment 61
4. Qualification 119
4.0 Scope 119
Part A-General Requirements 119
4.1 General 119
4.2 Common Requirements for WPS and Welding Personnel Performance Qualification 120
Part B- Welding Procedure Specification (WPS) 120
4.3 Production Welding Positions Qualified 120
4.4 Type of Qualification Tests •: 120
4.5 Weld Types for WPS Qualification 120
4.6 Preparation of WPS 120
4.7 Essential Variables 121
4.8 Methods of Testing and Acceptance Criteria for WPS Qualification 121
Part c-Performance Qualification 125
4.18 General 125
5. Fabrication 179
6. fnspecrion
Part A-General I
Part B-Contractor Responsibilities 201
Part C-Acceptance Criteria :.: 201
Part D-NDT Procedures
Part E-Radiographic Testing (RT) 205
Part G-Other Examination Methods 216
7. Stud Welding \. 253
Strengthening and Repairing Existing Structures 261
Annexes-Mandatory lnfonnation
Annex I-Effective Throat 265
Annex II-Effective Throats of Fillet Welds in Skewed T-Joints 267
Annex Ill-Requirements for CVN Testing 269
Annex IV -WPS Requirements 273
Annex V -Weld Quality Requirements for Tension Joints in Cyclically Loaded Structures 275
Annex VI-Flatness of Girder Webs-Statically Loaded Structures 277
Annex VII-Flatness of Girder Webs-Cyclically Loaded Structures 281
Annex VIII-Temperature-Moisture Content Charts 287
Annex IX-Manufacturers' Stud Base Qualification Requirements 291
Annex X-Qualification and Calibration of UT Units with Other Approved Reference Blocks 295
Annex XI-Guideline on Alternative Methods for Determining Preheat.. 299
Annex XII-Symbols for Tubular Connection Weld Design 309
