How to write a Welding Procedure Specification (WPS)
A welding procedure specification (WPS) is a written document providing direction to the welder (or welding operator). It contains all
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ASME Codes and Standards – A summary
Sections of ASME Boiler and Pressure vessel Codes (BPVC) The following list includes some of the most widely used Boiler
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Welding Defects
Any discontinuity (or irregularity) in the weld metal, which exceeds the applicable code limit, is termed as a WELD DEFECT
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Development Of Radiography Film
About radiography films: Radiography films are primarily made up of two things; 1. Base 2. Emulsion Base: Base is a
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Radiography Test (RT)
Radiography testing (RT) is one of the most widely used non-destructive test (NDT) methods. With the help of this method,
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Preparatory Questions (Set – 7)
1. Which of the following butt weld preparations is generally most susceptible to lack of side wall fusion during MMA
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Preparatory Questions (Set – 6)
1. Which of the following processes joins metals plastically? Friction welding Resistance welding Plasma welding None of the above 2.
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Preparatory Questions (Set – 5)
1. Which of the following NDT methods can only detect surface breaking defects? MPI DPI UT RT 2.
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Preparatory Questions (Set – 4)
1. Which of the following does not require baking; E 6010 E 7018 Both a & b None
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Preparatory Questions (Set – 3)
1. Overlap in welds could be influenced by: Welding process Welding position Poor welding technique All the above 2. In
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Preparatory Questions (Set – 2)
1. Stress relieving is not helpful in which of the following cases? Softening the steel Lowering the peak residual stress
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Preparatory Questions (Set – 1)
1. The Discontinuity which results from the entrapment of gas within the weld cross-section is known as: Undercut Lack of
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Welding Symbols (Part -1)
Welding symbols are a set of information conveyed by the design department to the welding Engineer and the welding operator.
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Types of weld joints
The American Welding Society defines a joint as “the manner in which materials fit together.” there are five basic types
Read MoreTIG Welding (GTAW) Electrodes
In GTAW (Gas Tungsten Arc Welding) also known as TIG welding (Tungsten Inert Gas welding), a non consumable electrode (made
Read MoreWelding Positions
This article is about different welding positions used in Plate Welding, Pipe Welding & Stud Welding. Plate Welding Positions In
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Types of steel – Classification of steel
What is Steel? Steel is an alloy of Iron and the principal (main) alloying element is Carbon. However,
Read MoreGMAW (MIG Welding) electrode specification
GMAW (MIG welding) electrodes are designated by some letters and numbers such as ER70S-6, ER90S-6 and E308L etc. I will
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MIG Welding – Gas Metal Arc Welding (GMAW)
MIG welding or Metal Inert Gas Welding is also known as Gas Metal Arc Welding (GMAW). In MIG welding process,
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Shielded Metal Arc Welding (SMAW)
Shielded Metal Arc Welding (SMAW) is also known as Manual Metal Arc Welding (MMAW) or stick welding. It is a
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Welding electrodes – Understanding the SMAW electrode symbols
Shielded Metal Arc Welding (SMAW) electrodes are designated by “E” followed by four (or five) digits for example: E7018, E6013
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Types Of Welding – Classification of welding processes
Welding is a process of permanently joining two parts by the application of heat and (or) pressure. Filler metal may
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Dye Penetrant Test (DPT, LPI, PT) – Non Destructive Test
Dye Penetrant Test (DPT) is one of the most inexpensive non-destructive test (NDT) methods, used to check the surface irregularities
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Welder Qualification Test (Performance Qualification)
Welder Performance Qualification (WPQ) is also known as Welder Qualification Test (WQT) or Performance Qualification. It is a very basic
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