Macro
Nick Break
Hardness
Charpy impact
Nick break
Side bend
Charpy impact
Face bend
Test the skill of the welder
Assess the weldability of the materials
Decide which NDT methods to use
Give the welder practice before doing production welding
Make the weld suitible for liquid (dye) penetrant inspection.
Improve fatigue life.
Reduce residual stresses
Improve the general appearance of the welds
Root face
Bevel angle
Root gap
Included angle
Depth
Length
Width
Sharpness
Lack of root penetration
HAZ hardness
Tungsten inclusions
Slag
Leg length
Weld profile
Weld width
Throat thickness
EN 288
EN 499
EN 287
EN 970
Before, during and after welding
Before welding only
After welding only
During and after welding only
Excessive root face
Excessive root gap
The current settings being too low
Both a and c
Linear misalignment
Root gap being too large
Root faces being too small
Welding current too high
Excess weld metal height
Start porosity
Spatter
Arc strikes
Current is too low
Root face is too large
Root gap is too large
Arc voltage is too high
Standard of workmanship quality only
Set of rules for manufacturing a specific product
Specification for the finished product
Code for the qualification of welding procedures and welders qualifications
Entrapped slag
Entrapped gas
Lack of inter-run fusion
None of the above.
Lack of sidewall fusion
Slag inclusion
Linear porosity
Root concavity
Throat thickness
Leg lengths
Penetration depths
Both a and c
Root bend
Side bend
Face bend
Longitudinal bend
Use of the wrong class of electrodes
Use of excessive current
Moisture pick-up in the electrode covering
A bad batch of electrodes
Manual metal arc welds
Metal inert gas welds
Metal active gas welds
All welds
Excessive amps.
Excessive OCV
Excessive travel speed
Current too low
Concrete shuttering welders
Overland pipeline welders
Tack welders
Maintenance welders
8mm throat of a mitre fillet
7mm leg + 2mm excess weld metal
Mitre fillet with 10mm leg
Concave fillet with 11mm leg.
35º
70º
90º
Dependent on the pipe diameter
Wait!
Here's an interesting quiz for you.