welding inspection
21 January 2022


blogs

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


blogs

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…
Course fees for NDT
31 December 2021


blogs

NDT Course fees

NDT Course fees depends on the type of NDT Course Selected, such a number of methods and the International standard chosen for the certification The Average course fees for General NDT course will be Rs.17500, This course fees Rs.17500 is for ASNT Level II Certification course…
fillet welds
24 December 2021


blogs

Fillet Weld Types

Fillet Weld Types: The single-fillet-welded T-joints are indicated from both the arrow side and the other side. The symbol for a double fillet-welded T-joint is also Note that the assembly of two T-joints welded pieces involves four fillet welds represented by two double-fillet-weld symbols.
standards for welding
18 December 2021


blogs

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


blogs

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


blogs

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


blogs

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


blogs

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:
TOFD
30 September 2021


blogs

NDT – Few Other Methods

Here are some rarely used  NDT – Few Other Methods 1.   Eddy Current Testing – ET: Eddy-current inspection uses electromagnetic induction to detect flaws in conductive materials. A circular coil carrying current is placed in proximity to the test specimen (electrically conductive). The alternating current in…