Levels of Certification AWS 1:2003
There are three levels of qualifications for welding inspector personnel. These levels are:
AWI – Associate Welding Inspector;
WI – Welding Inspector;
SWI – Senior Welding Inspector.
1.1) Associate Welding…
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…
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…
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)
…
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…
TASKS DURING WELDING OPERATIONS
Welding inspection during welding operations should
include all the audit parameters to verify that the welding is performed to the procedures. Such tasks may include the following:
Quality Assurance
Establish a quality assurance and quality control team
with the welding organization.
Quality control items to assess:
…