1.0          Basic Definitions

1.1          Welding – Joining Process

1.2          Main characteristics of welding processes:

1.3          Selection of an Appropriate Joining Process for a Given Task

1.4          Stress Corrosion Cracking

 2.0          Weld Discontinuities

                2.1          AWS Definition:
                2.2          Defect:
                2.3          Considerations when Identifying and Evaluating Fusion Weld Discontinuities
                2.4          Types of Discontinuities

2.5          Three dimensional discontinuities:

 3.0          Defects

 
3.1        Arc Strike

3.2        Burn – Through (Melt – Through)

3.3        Concavity

3.4        Convexity

3.5        Cracks

3.6        Excessive Reinforcement

3.7        Inclusions

3.8        Groove Weld Size & Joint Penetration

3.9        Overlap

3.10      Weld Discontinuities

3.11      Oxide Film

3.12      Porosity

3.13      Spatter

3.14      Surface Irregularities

3.15      Undercut

3.16      Underfill

3.17      Distortion

3.18      Weld Joint Mismatch

 4.0           Piping Fit-up Tolerances according to ASME B31.3-2002

4.1          Preparation for Branch Connections

5.0           Preheat, Post Weld Heat Treatment & NDT

                5.1          Preheat

                                 Preheat of welds P No-1, P No-4, P No-5

                5.2          Post Weld Heat Treatment

·         Local PWHT

·         Furnace PWHT

·         Temperature Recording

·         Thermocouples

                5.3          Production Weld Hardness Testing

                5.4          Weld Identification

                5.5          Inspection

                5.6          Miscellaneous Requirements

6.0          Piping Material

                6.1          Piping Table

                6.2          NACE Requirements

7.0          Welding Consumables & Control

                7.1          Welding Consumables (Filler Metal, gases, fluxes etc.)

                7.2          Submerged Arc Welding Fluxes 

8.0          Welding Processes

                8.1          Shielded Metal Arc Welding (SMAW)

                8.2          Gas Tungsten Arc Welding (GTAW)

                8.3          Submerged Arc Welding (SAW)

                8.4          Gas Metal Arc Welding / Flux Cored Arc Welding

 9.0          Welding Procedures

                9.1          Welding Procedure Specification

                9.2          Procedure Qualification Record (PQR)

                9.3          Welding Variables

                9.4          Example: SMAW, GTAW, GMAW Variables

10.0        Weld Repairs

                10.1        Repair Limitations

                10.2        Cracked Welds (Except for crater Cracks)

                10.3        Repair Welding

11.0        Inspection Documentation

                11.1        Welding Inspectors Main Responsibilities            

                11.2        Sample Daily Welding Report (DWR)

                11.3        NDT/PWHT Request Form

12.0        Talisman

                12.1        What is Talisman?

                12.2        Talisman Capabilities