Welding procedure qualification (Part 5).
Each set of norms and rules specifies defined criteria for performance of tests in the course of welding procedure qualification. Acting as a welding inspector ...
Author: Ivan Perfilyev
Tensile test (Part 4).
After the specimen for tensile test was measured and marked, it needs to be fastened safely in gripper of mobile and motionless heads of machine for tensile tes...
Inclusions in the weld seams (Part 2).
The slag density is significantly less than the metal density, in the radiographic picture slag inclusions look like relatively dark irregular-shaped sections. ...
Incomplete fusion of the root of the welded seam.
Incomplete fusion of the root of the welded seam is a result of applying of low current and high welding speed. This is considered to be a permissible defect. T...
Methods of technological strength evaluation.
One of the basic trial tasks, conducted during technological weldability of materials determination, is evaluation of its technological strength under condition...