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…
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…
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 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…
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…
What is pressure vessel?
Pressure vessel is closed container which holds liquids or gasses at a pressure greater than the atmospheric pressure.
Definition of Pressure vessel as per ASME BPVC section VIII , Div 1, U1.
Pressure vessel are containers for containment of pressure, either external…
Non Destructive Testing , NDT , is industrial method for analyzing the characteristics of material or finding the discontinuities in the material & Weld joints, without damaging the material.
NDT is otherwise called as, Non Destructive Evaluation –NDE, Non Destructive Inspection (NDI) and it a…
Get the Difference between Destructive and Non Destructive testing here:
Non Destructive Testing (NDT):
NDT is industrial method for analyzing the characteristics of material or finding the discontinuities in the material & Weld joints, without damaging the material.
NDT is otherwise called as, Non Destructive Evaluation –NDE….
Ultrasonic Testing
Ultrasonic Testing utilizes high frequency sound waves which are not audible to human ears.
The Ultrasonic sound waves are used for measurements of thickness of any material.
General frequency used in ultrasonic thickness measurements probe is 5 Mega Hertz and above.
The probe is placed over…