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:
TOFD
30 September 2021


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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…
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…
Pipe welding-AQC
1 September 2021


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Welding Standards-Positions for Welding Pipe

Positions for Welding Pipe For welding pipe in shops, power plants, oil refineries, and chemical plants for crude oil, gasoline, and natural gas, the same basic welding positions described previously are used. Flat Butt Weld Pipe Position…
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…
aws standards
14 August 2021


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STANDARDS FOR WELDING POSITIONS

Standards for Welding Positions: It is very important for the Weld Inspector to know the position, or location of a joint relative to the horizon, because it may determine what welding process, methods, and techniques can be used. Welding is usually easiest when the welder can…
Welding types
4 June 2021


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Types of Welding

Types of Welding Welding process involves joining of two metals and sometimes non-metals such as plastic There are many different types of weld, as below: Arc welding Atomic Hydrogen Welding ( AHW) Bare Metal Arc Welding (BMAW) Carbon Arc Welding (CAW) CAW-G—– Gas CAW-S—-Shielded CAW-T—–Twin Electro Gas Welding (EGW) …
Brazing procedure Qualification
7 May 2021


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Brazing Procedure Qualification

Brazing is a process of joining dis-similar metal, where as welding is a process of joining similar metal. In this blog we can see about some of the details in Brazing procedure qualification Brazing involves melting of filler metal and flowing over the joining surfaces….
Welder qualification record
23 April 2021


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Welding Procedure Specification- WPS for Overlay or cladding

Welding Procedure Specification- WPS This document details, how to qualify a welding procedure specification-wps for weld metal overlay / cladding / surfacing , for both corrosion resistance overlay and wear resistance overlay welding. The reference standard selected for the purpose of qualification of cladding procedure and…