• تهران، میدان ولیعصر (عج)، مرکز تجارت ایرانیان، طبقه 8، واحد 17

Course Duration: ۴۰ hr

EXAMINATIONS

General-

Specific-

Practical-

Candidates must score a minimum of 70 % in each test and a minimum of 80% average for all the three tests

Course Outline

Module 1: Light, Illumination, and Eye

Definition of Visual Testing

Eye and Vision · Lighting and its measurement – lux

Machine vision and contrast

Module 2: Optical and Mechanical Aids

Direct and Remote Inspection

Videoscopes, fiberscopes and borescopes

Field of View and Depth of View

Module 3: Processing Discontinuities

Inherent and Processing Discontinuities

Casting and its defects

Forging, rolling, drawing and defects

Surface Texture

Module 4: Welding Methods

Expectations of a weld

Welding terms

Welding processes

Module 5: Welding Joints and Symbols

Welding filler materials (F numbers)

Base materials (P numbers)

Weld nomenclature (parts of a weld)

Welding joints

Welding symbols

Module 6: Welding Process Control

WPS

PQR

WPQ

Module 7: Welding Discontinuities

Hi-Lo, Underfill, Undercut, excessive reinforcement, Concavity

Cracks, LOF, Lack of Penetration, Slag, Porosity, etc

Undercut, melt-thru, burn thru, arc strikes

Module 8: Weld Inspection and Gauges

Weld Profile measurements

Weld inspection tools: Fillet weld gage, high-low gauge, V-Wac gauge

Module 9: Welding Codes & Standards (Specific Training)

AWS D1.1(steel), D1.2 (aluminum)

ASME Section I, V, VIII, 31.1, 31.3

Inspection acceptance criteria: ASME and AWS

Module 10: Service induced Discontinuities

Damage mechanisms

Overload and Fatigue

Corrosion

Erosion

Wear

Module 11: Dimensional Measurements

Rulers

Calipers

Go-No Go Gauges

Thread Gauges

Module 12: PRACTICAL TRAINING

Evaluate defects in Weld Samples

Weld Profile measurements with gauges