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By S.E. Hughes
Series Editor: Clifford Matthews
This book was written to provide a quick guide to welding inspection that is easy to read and understand.
It is difficult to find books specifically covering weld inspection requirements. This book will give you a
basic understanding of the subject and so help you decide if you need to look further. In many cases the
depth of knowledge required for any particular welding-related subject will be dependent on specific
industry requirements.
In all situations, however, the welding inspector’s role is to ensure that welds have been produced and
tested in accordance with the correct code specified procedures and that they are code compliant. Code
compliance in this sense means that the weld meets all the requirements of the defect acceptance criteria
specified within the code.
- Publisher:
ASME
-
Publish Date: 2009
-
Pages: 152
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Language: English
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ISBN: 9780791859506
Table of Contents
Foreword by Series Editor
Introduction
A 10 Minute Guide
Chapter 1: Abbreviations, Terminology and Welding
Symbols
Abbreviations
Common terms
Joint terminology
Weld terminology
Drawing rules and weld symbols
Chapter 2: Duties of a Welding Inspector
Before welding
During welding
After welding
Repairs
Chapter 3: Analysis of a Fusion Weld
Components of a welded joint
What makes a good fusion weld?
Weld joint: preparation methods
Weld joint: shape
Residual stress and distortion
Minimising stresses and distortion
Chapter 4: Materials and Their Weldability
Carbon equivalency
Classification of steels
Alloying elements
Carbon equivalency
Material propertie
Heat treatments of steels
Chapter 5: Welding Processes
Manual metal arc (MMA)/shielded metal arc
welding (SMAW)
Metal inert gas (MIG)/metal active gas (MAG)/
gas metal arc welding (GMAW)
Flux cored arc welding (FCAM)
Tungsten inert gas (TIG)/gas tungsten arc
welding (GTAW)
Submerged arc welding (SAW)
Chapter 6: Non destructive and Destructive Testing
Liquid penetrant testing (PT)
Magnetic particle testing (MT)
Ultrasonic testing (UT)
Radiographic testing (RT)
Tension tests
Bend tests
Charpy tests
Hardness testing
Macro samples
Micro samples
Fillet fracture test
Butt weld fracture test (nick break)
Chapter 7: Fracture Modes and Welding Defects
Imperfection categories
Hydrogen-induced cold cracking (HICC)
Solidification cracking00
Reheat cracking
Lamellar tearing
Weld decay
Porosity
Solid inclusions
Lack of fusion
Incomplete root penetration
Root concavity
Excessive root penetration
Overlap
Underfill
Undercut
Crater pipe
Burn-through
Root oxidation
Arc strike
Spatter
Magnetic arc blow
Chapter 8: Codes, Standards and Documentation
Codes and standards
The PED and UK PER
Welding procedure qualifications
Procedure qualification record (PQR)
Welding procedure specification (WPS)
Welder qualifications
Chapter 9: Health and Safety
Health and Safety at Work Act
Electrical safety
Welding/cutting process safety
Personal protective equipment (PPE)
Gases and fumes
COSHH and workplace exposure limits (WEL)
Lifting equipment/pressure system requirements
Hand tools and grinding machines
Other precautions before welding starts
Causes of accidents
Permit to work
Tanks and drums
Index