welding inspection
21 January 2022


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Concepts of Welding Defects and Discontinuities

Welding defects can be classified as structural discontinuities and consist of: porosity, slag inclusions, lack of fusion, cracks, etc. Porosity is gas pockets or voids in the weld metal which are free of any solid materials, such as It is formed as a result…
welding
8 January 2022


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Fillet Weld Sizes as per AWS D1.1 & AWS D1.2

Fillet Weld Sizes as per AWS D1.1 & AWS D1.2 This blog here answers your questions about: What is the tolerance for Fillet weld sizes as per AWS D1.1 ? What is the weld size tolerance? What is the required fillet weld size for structures…
standards for welding
18 December 2021


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Standards and Specifications for welding

WELDING INSPECTOR KNOWLEDGES: The Welding Inspector must be a high skilled technician or engineer with a good knowledge of general industry manufacture, materials, quality systems, inspection procedures and Standards and Specifications for welding as:   Standard organizations as ASTM, SAE, AISI, AWS, ASME and other institutions; …
welding procedure
10 December 2021


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WELDING ELECTRODES AND PREHEAT REQUIREMENTS

The procedure requirements for welding electrodes and preheating temperatures are as follows: Welding must be done with the same process (SMAW or FCAW) used for qualification If the operator has qualified on any of the steel permitted (ASTM A36 and A588), that same operator…
welding inspection
2 November 2021


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Weld symbols location

1.1.  Location of the Weld with Respect to Joint: a.Arrow Side. Welds on the arrow side of the joint are shown by placing the weld symbols on the side of the reference line toward the reader.
welding symbols
28 October 2021


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WELDING SYMBOLS

Elements of  Welding Symbols: The first concepts the Welding Inspector must understand very well, are the welding symbols and how to interpret them on drawings. The reference line of the welding symbol, as shown below, is used to designate the type of weld to be…
welding procedure
12 October 2021


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Welding of Stainless Steels

Welding of Stainless Steels: General Concepts: Stainless steels, resumed here in a general way, are defined as steel alloys, where the chromium content ranges from 10.5% to 30%. There are five distinct types of stainless steel:
Welding procedure specification
17 September 2021


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Recommendations for Welding

We would see about Recommendations for Welding of Structural Steel as per AWS D1.1 , 2020 revision Groove Weld: (Clause 4.4.1) Weld Length : shall be the width of the parts joined , perpendicular to the direction of compressive or tensile stress, Weld Size:  Thickness of thinner…
welding certificate approval
10 September 2021


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STANDARD SPECIFICATIONS FOR WELDING PROCEDURES

The sole purpose of welding procedures is to describe the details that are to be followed in the welding of specific materials or type of joint. The following is a list of standard specifications for welding procedures that are normally covered in welding procedures…
Welding standards
21 August 2021


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Weld Position- Fillet Welds

Fillet Weld Positions The advantage of the fillet-welded joint is that it’s unnecessary to prepare the edges of the plates or sheets for welding. Double fillet-welded joints are an improvement over single-fillet joints because they can withstand loads from more than one direction. Three of the…