Trusted Source for Welding, NDT & Inspection Database
This site is a comprehensive source of information and guidelines for welding, Non-Destructive Testing, Welding Inspection, Corrosion engineering, Metallurgy, and Guide for various materials welding.
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WELDING POSTERS & CHARTS
ASNT Level Examinations
AWS-CWI & IWE Exams
ASNT Level Examinations
- ASNT NDT Level III Basic Mock Exam
- ASNT NDT Level III PT Mock Exam
- ASNT NDT Level III MT Mock Exam
- ASNT Level III Basic 1000 Questions Bank
AWS-CWI & IWE Exams
LATEST POSTS
Who is a Coded welder- Everything you Need to Know
A coded welder is a welder who has been certified by a welding inspection organization to meet certain standards..
WELDING SYMBOLS A to Z
How to read Weld Symbols? Weld symbols are a key part of welding documentation, and understanding How to read Weld..
Weld Testing Methods
Weld testing is a critical and important step in ensuring the quality of welds. There are many different…..
Welding Electrode & wire Selection Chart
Looking for a Welding Electrode and Filler Wire Selection Chart? Access our comprehensive PDF guide..
Aluminum filler metal selection chart
Welding aluminum can be a challenging task, but selecting the right filler metal can make all the difference..
How to Write and qualify a WPS & PQR?
How to Write a WPS- Basics a WPS is a document that supplies the necessary information to a welder to..
In-Depth Guides
HOW TO WELD
Learn how to weld various types of materials, How to choose the right welding electrodes, preheat temperature, heat treatment- Everything you wish to know is covered.
Watch & Learns
Welding & NDT Videos
Watch and learn- Comprehensive range of Welding & NDT videos covering techniques as well as latest exam questions to guide you at every step of the Success.
Materials & metallurgy
Ferrous & Non-Ferrous Materials- Metallurgy
Learn the basics of Welding Metallurgy, materials selection criteria, properties of different materials, Heat Treatment Processes, Failure mechanisms and much more….
WELDING PROCESSES
Classification of Welding Processes
There are many types of welding techniques used to join metals. The welding processes differ in the manner …
What is Stick Welding or Shielded Metal Arc Welding (SMAW)?
What is Stick Welding or Shielded Metal Arc Welding (SMAW)? Stick welding or also known as SMAW stands for Shielding …
What is Submerged Arc Welding (SAW)
Submerged Arc Welding (SAW) The submerged arc welding process or also known as SAW welding is an automatic and high …
Gas Tungsten Arc Welding (GTAW)
What is Gas Tungsten Arc Welding (GTAW) or TIG Welding? GTAW stands for Gas Tungsten Arc Welding and is also …
What is MIG Welding
What is MIG Welding? MIG Welding or also called Metal Inert Gas Welding (MIG) or metal active gas welding (MAG …
Flux Cored Arc Welding (FCAW)
What is Flux cored arc welding or FCAW? FCAW or flux-cored arc welding is a variant of Gas metal arc …
WELDING ENGINEERING
Preheating in Welding
Preheating in Welding involves heating the base metal surrounding the weld joint, to a specific …
Heat Affected Zone or HAZ in Welding Explained
Learn about the Heat Affected Zone (HAZ) in welding and its significance. Understand how welding heat can affect the surrounding …
Heat Input in Welding, Formulas, Free Online Calculator
Heat Input in Welding is an important factor for the resultant weld deposit properties. So, it is crucial to use …
How to Prevent Lamellar Tearing
Lamellar tearing or Lamellar Cracking is a cracking phenomenon that occurs in thick Al-treated plate that is …
Temper Bead Welding (TBW)/ Controlled Weld Deposition (CWD)
What is temper Bead Welding (TBW) or Controlled Weld Deposition (CWD) Performing welding repair on materials that are exposed to …
Effect of alloying elements in Steel
Steel is primarily an alloy of iron and carbon and certain additional elements such as Manganese & silicon. Knowing the …
DESTRUCTIVE TESTING
Types of Destructive Testing
Destructive testing (DT) is a type of testing that involves applying an external force, pressure, or …
What is Charpy V Notch Impact Testing & Charpy vs. Izod test
Before you learn what is Charpy V Notch Impact Testing, it is important to understand Toughness as …
What is Crack tip opening displacement (CTOD) Testing
What is the Crack Tip Opening Displacement (CTOD) Test? Crack tip opening displacement test or CTOD Test is used to …
Bend Test in Welds, & their Types
What is Bend testing? Bend Test in Welding plays important role to determine the soundness and ductility of welds. Bend …
Tensile test Procedure
The tensile test procedure involves attaching the sample to the testing machine and applying force until the material fractures. The …
What is hardness & types of Hardness tests?
What is Hardness of a material? Hardness is the resistance with which a material opposes the penetration of another (harder) …
How to Weld Any Material– Click to find out.
How to Weld 4140 Steel
AISI 4140 Steel Welding can be carried out using SMAW (Stick Welding), TIG, MIG and FCAW process.
How to Weld Aluminum Like a PRO
Learning How to Weld aluminum is not as difficult as it may seem. In fact, with the right welding filler wire rod, technique.
How to weld 17-4 PH stainless steel
Knowing how to weld 17-4 PH stainless steel is very important as this alloy requires careful welding consideration..
How to Weld Brass
This complete guide on ”How to weld Brass covers brass welding with Stick Welding, TIG Welding, MIG Welding, electrode & …
How to Weld Titanium
Welding of Titanium & Filler wire selection guide Titanium (Ti) is silver-colored metal. It has a strong affinity for oxygen …
How to Weld Copper?
This guide covers welding of copper and copper to steel welding including mild steel, carbon steel and stainless steel..
NDT METHODS
WELDING GUIDE
WELDING DEFECTS
DESTRUCTIVE TESTING
WELDING PROCESSES
NDT METHODS
- Liquid Penetrant Testing Guide
- Magnetic Particle Testing Guide
- Ultrasonic Testing Guide
- Radiographic Testing Guide
- Eddy Current Testing
- Visual Testing
- Acoustic Emission Testing
- Leak Testing
WELDING GUIDE
- Welding stainless to mild steel
- How to Weld Copper?
- How to Weld Tantalum
- TIG Welding Thin Stainless steel
- Welding P91 (9Cr-1Mo-V) Steels
- How to Weld AISI 4140 Steel
- How to Weld Brass
- How to Weld Aluminum like a pro
- How to Weld Copper?
- Sheet Metal Welding Guide
- How to Weld Cast Iron Easily?
WELDING DEFECTS
- Welding Defects- Types, their causes, and remedies
- Lack of Fusion vs Lack of Penetration
- Lack of Fusion in Welding-Causes-Remedies
- Welding Undercut- Causes & Remedies
- Welding Burn Through: Causes & Prevention Tips
- Arc strike in welding
- Overlap in Welding
- Tungsten Inclusion in Welding
- Welding Spatter: Causes & Remedies
- Welding Porosity
- Welding Crack and their Types
DESTRUCTIVE TESTING
- Mechanical properties of a Materials
- Types of Destructive Testing
- What is Charpy V Notch Impact Testing
- What is Crack tip opening displacement (CTOD) Testing
- Bend Test in Welds, & their Types
- Tensile test Procedure
- What is hardness & types of Hardness tests?
- Nick Break Test
- Tensile Shear Test for Spot Welds
- Stress Rupture Test
- What is Peel Adhesion Test
- ASTM B117 Salt Spray Test
- Scanning Electron Microscope (SEM)
WELDING PROCESSES
- Types of welding process with diagram and chart
- What is Stick Welding or Shielded Metal Arc Welding (SMAW)?
- Gas Tungsten Arc Welding (GTAW)
- What is MIG Welding
- Flux Cored Arc Welding (FCAW)
- Metal Transfer Mode in GMAW, FCAW & SMAW Welding
- Welding Shielding Gases: find the best one here
- What is Submerged Arc Welding (SAW)
- Metal Cored Welding
- Autogenous Welding
- Underwater Welding
- Orbital Welding
- Resistance Welding Processes
- Automatic Welding
- Plasma Arc Welding
- What is Resistance Spot welding?
- Electron Beam Welding Process
- What is Friction Welding
- Exothermic Welding or CAD Welding
Non-Destructive Testing Methods
NED Inspection Methods
NDE Inspection stands for Non-Destructive Examination. It is a process used to detect any defects or …
Liquid Penetrant Testing
Liquid penetrant testing (LPT) or also known as the Dye penetrant test (DP Test) is a surface NDT…
Magnetic Particle Testing
Magnetic Particle Testing (MT) principle, techniques, types, advantages, limitations and standards
Eddy Current Testing
Eddy Current Non-Destructive Testing (ECT) is a powerful inspection technique used in various industries. Discover how ECT detects surface….
What is Visual Testing or VT?
Visual testing (VT) or also called VT is a surface inspection NDT method and most widely used NDT technique. Lets dive and learn what is Visual testing, acceptance criteria & techniques …
Magnetic Particle Testing
Magnetic Particle Testing (MT) principle, techniques, types, advantages, limitations and standards
What is Ultrasonic Testing?
Ultrasonic testing (UT) is a non-destructive testing method that uses high-frequency sound waves to detect internal …
X-ray Inspection of Welds
X-ray Inspection of Welds X-ray inspection of welds is a non-destructive test method (NDT) used to evaluate the quality and …
What is Acoustic emission testing?
Acoustic emission testing (also called AET) is a non-destructive method used to detect the presence …
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