welding certificate approval
10 September 2021


blogs

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


blogs

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


blogs

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…
welding symbols
14 August 2021


blogs

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…
visual inspection on welding
31 July 2021


blogs

NONDESTRUCTIVE TESTING – Visual Inspection (VT)

The NDT (nondestructive testing) methods are: Visual Inspection – VT Liquid Penetrant Testing – LT Magnetic Particle Testing – MT Radiographic Testing – RT Ultrasonic Testing – UT Eddy Current Testing – ET (not used in field inspection) Acoustic Emission Testing – AET (not…
Radiography Testing equipments
8 July 2021


blogs

Equipments and materials for NDT lab set up

Equipments and materials for NDT lab set up Radiography Testing: 1) X-Ray tube head -450 kV capacity ( only if construction of a exposure room with approval from government is possible) 2) RT Films (D4 ) 3) lead screen 0.125mm, 0.25 mm 4) Film casettes 5) set of IQI -wire…
Acceptance Criteria for Liquid Penetrant Testing -LPT
30 June 2021


blogs, Training

Acceptance Criteria for Liquid Penetrant Testing -LPT

Acceptance Criteria for Liquid Penetrant Testing -LPT as per ASME , AWS and API standards Liquid penetrant testing simply called as PT. Sometimes Dye Penetrant Testing is a surface defect detection NDT  method and is more sensitive to all kind of surface defects, such as…
QC course content
18 June 2021


blogs, Training

QC Course Content

The below are the brief of the QC Course Content for Engineers and mechanical Engineers. The program is additional course for Mechanical Engineers which prepare them for expertise in field of mechanical engineering , and…
Welding types
4 June 2021


blogs

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) …
cast iron
24 May 2021


blogs, Training

Cast Iron and Its Types

What is a cast iron? Cast iron are ferrous alloys with greater than 2% carbon. They also contain small amounts of other materials such as silicon, sulphur, manganese, & phosphorous. In general it consists alloys of carbon & iron. They are the least expensive of all metals and…