ULTRASONIC TESTING OF NEW RAILS: RDSO INSPECTION FORMAT

ULTRASONIC TESTING OF NEW RAILS: RDSO INSPECTION FORMAT

1. Rly.’s P.
O. No. –

2. Item of
Inspection:

3. Quantity
Tested:-

4. Date of Testing:-

I. ULTRASONIC TESTING:

i. Machine:

ii. Transducer Used:  One double crystal Normal Probe (0º), Φ18mm,
4 MHz

                                    One single
crystal normal probe (0º), Φ20mm, 2 MHz

iii. Couplant Used
: Water

iv. Range : 100 mm
& 300 mm

v. Testing Method: Chapter 10 of Manual for ultrasonic
testing of rails and weld, revised 2012 issued by RDSO

vi. Sensitivity: STANDARD TEST RAIL 60KG (300 mm length)

                           a)           db (Φ1.5mm FBH along central axis of
the rail Head & followed 60% FSH)

                          
b)           db (Φ2mm FBH along central axis of the rail
Web & followed 60% FSH)

                           c)           db (Φ2mm FBH along central axis of
the rail Foot & followed 60% FSH)

 

Sl. No.

Rolling Mark on Rail

Rail I.D. No./ Cast No.

Observation

Remarks

Head
Top

Head
Side

Web

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


II.
Visual Inspection:

on visual examination, all the above mentioned Rails were found free
from all surface defects viz. cracks, pits, dent marks, rolling marks, seams, laps
etc.

 

 

NDT In-charge

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