ut training asme & aws

8/9/2019 UT Training Asme & Aws

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Procedure ASME BPV Section V Article 4, 2008

A. Test Pieces (Non Piping) If D > 20 Use ASME Plate Block calibration use (T.434.1.7.1) and DAC

Techniques.

1. Determine Thickness Test Pieces and Diameter , Find Range

2. Find dB Reference = dB Sensitivity ASME Plate + (dB TOL TpdB TOL ASME Plate)

2.1.dB Sensitivity ASME Plate

2.1.1. Make DAC ( Distance Amplitude Correction) ASME Plate at 80% 5% FSH(T-463.1.2)

a.

Find Thickness ASME Plate (19.5 mm)

b. Check Range (Note Same as Range Test Pieces)

c.

Calibrate Angle Probe on IIW V2 at Range

d.

First :

- Use1 ea Angle Probe to obatain maximum pulse heigth at 80% 5% FSH for

TASME Plate (4.88mm) as 100% DAC make a point and write the dB (dB

Sensitivity ASME Plate)

- Reduce 6 dB to obtain 50 % DAC, make a point


-

Add 12 dB to original dB off 100% DAC

e. Second

- Move 1 ea Angle Probe to obtain maximum pulse height without change dB

note to TASME Plate (9.75 mm) make a point.

-

Reduce 6 dB to obtain 50 % DAC, make a point


-


f. Third


note to TASME Plate (14.63) make a point.



- Add 12 dB to original dB off 100% DAC

g.

Fourd- Move 1 ea Angle Probe to obtain maximum pulse height without change dB

note to 4/4 TASME Plate ( 19.5) make a point.



2.2.

dB TOL ASME Plate

2.2.1. Make dB TOL (Transfer Of Loses) of ASME Plate Block Calibration at 80% 5%

FSH(T-463.1.2)

a.

Find Thickness ASME Plate

b.

Check Range (Note Same as Range Test Pieces)


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c.


d. First

- Find Skip Distance 2 leg

SD 2 Leg

- Find Sound Path Actual 1 leg

- Find Sound Path On CRT 1 leg

- Use 2 ea angle probe face to face to obtain a maximum pulse heigth at 80%

5% FSH make a point and write dB (dB TOL ASME Plate)

e. Second

-

Find Skip Distance 4 leg

SD 4 Leg



-

Use 2 ea angle probe face to face to obtain a maximum pulse heigthat 80%

5% FSH without change dB make a point

2.3.

dB TOL (Transfer Of Loses) of Test Pieces

a. Find Thickness Test Pices

b.

Check Range (Same as at DAC & TOL ASME Plate Block Calibration Range)

c.


d.

First


SD 2 Leg


-Find Sound Path On CRT 1 leg


5% FSH make a point and write dB (dB TOL TP)

3.

Find dB Scanning = dB Reference + 6 dB (T-471.4.1)

4.

Evaluation Level at >20% DAC (T.482.1)

5. Acceptance Criteria ASME BPV Section VIII Article 12. 2007

a.

Indication Pulse Heigth 20% DAC , Regardless except for Lack Of Fusion (LOF), Incomplete

Penetration (IP) and Crack must be reject.

b. Indication Pulse Heigth > 20% DAC , for Lack Of Fusion (LOF), Incomplete Penetration (IP)

and Crack must be reject.


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c.

20% < Indication Pulse Heigth 50% DAC , ACC except for Lack Of Fusion (LOF), Incomplete

Penetration (IP) and Crack must be reject.

d. 50% < Indication Pulse Heigth 100% DAC , Record and ask to Engineering except for Lack

Of Fusion (LOF), Incomplete Penetration (IP) and Crack must be reject.

e. 20% < Indication Pulse Heigth 50% DAC , Evaluation except for Lack Of Fusion (LOF),

Incomplete Penetration (IP) and Crack must be reject.- TTP 19 mm ; L max = 6mm

- 19 mm > TTP 57 mm ; L max = 1/3 TTP

- TTP >57 mm ; L max = 19mm


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B. Test Pieces (Non Piping) If D < 20 Use ASME Curve Block calibration use range curvature 0.9

1.5 times (T.434.1.7.2) and DAC Techniques.


2. Find dB Reference = dB Sensitivity ASME Curve + (dB TOL TpdB TOL ASME Plate)

2.1.dB Sensitivity ASME curve

2.1.1. Make DAC ( Distance Amplitude Correction) ASME Curve at 80% 5% FSH(T-

463.1.2)

a.

Find Thickness ASME Curve (11.2 mm)


c.


d. First :


1 Leg Notch (Bottom) as 100% DAC make a point and write the dB (dB

Sensitivity ASME Curve)


-



e. Second

-

Move 1 ea Angle Probe to obtain maximum pulse height without change dBnote to 2 Leg Notch (Top) make a point.




f. Third


note to 3 Leg Notch (Bottom) make a point.



-


g. Fourd


note to 4 Leg Notch (Bottom) make a point.



2.2.

dB TOL ASME Curve

2.2.1. Make dB TOL (Transfer Of Loses) of ASME Curve Block Calibration at 80% 5%

FSH(T-463.1.2)

a.

Find Thickness ASME Curve



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c.


d. First


SD 2 Leg




5% FSH make a point and write dB (dB TOL ASME Curve)

e. Second

-

Find Skip Distance 4 leg

SD 4 Leg



-

Use 2 ea angle probe face to face to obtain a maximum pulse heigth at 80%


2.3.



b. Check Range (Same as at DAC & TOL ASME Curve Block Calibration Range)

c.


d.

First


SD 2 Leg





3.

Find dB Scanning = dB Reference + 6 dB (T-471.4.1)

4.

Evaluation Level at >20% DAC (T.482.1)

5. Acceptance Criteria ASME BPV Section VIII Article 12. 2007

a.

Indication Pulse Heigth 20% DAC

b.

Indication Pulse Heigth > 20% DAC , for Lack Of Fusion (LOF), Incomplete Penetration (IP)

and Crack must be reject.


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7/19

Procedure AWS D1.1 Article 6 Part F, 2008(Groove Welds)

A. Satic Loaded non tubular (6.20.1) Use IIW V1 & V2 Block Calibration (6.23.1)

1.

Determine Thickness Test Pieces and Diameter and Find Range

2. Find dB Reference = dB Sensitivity IIW V1 + (dB TOL TpdB TOL IIW V1)

2.1.dB Sensitivity ASME IIW V1

2.1.1. Use 1 ea Angle Probe to obtain maximum heigth at 50% - 75% FSH(6.25.4.2) for

Hole Dia 1.5 mm at distance 15 mm from Survace (IIW V1 Block Calibration) make a

point and Write dB (dB Sensitivity ASME IIW V1)

2.2.dB TOL IIW V1

2.2.1. Make dB TOL (Transfer Of Loses) of IIW V1 Block Calibration at 50% - 75%

FSH(6.25.4.2)

a. Find Thickness IIW V1 Block Calibration


c.


d.

First- Find Skip Distance 2 leg

SD 2 Leg



- Use 2 ea angle probe face to face to obtain a maximum pulse heigth at 50% -

70% FSH make a point and write dB (dB TOL ASME Plate)e.

Second


SD 4 Leg

-

Find Sound Path Actual 1 leg





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2.3.



b. Find Range (Same as at TOL IIW V1 Block Calibration Range)

c.


d.

First


SD 2 Leg





3.

Find dB Scanning = dB Reference + (on Scanning Level Table 6.2 Static ) (6.26.6)

4. Evaluation Level (6.31) to find Class at Table 6.2 Static

Indication Rating (6.26.6.5) = dB Indication Level (a)dB Reference (b)Attenuation Factor (c)

a.

dB Indication Level = Find heigth pulse on screen at adjusted to Reference Level (50% - 70%

FSH)

b. dB Reference (same as above number 2)

c. Attenuation Factor = ( 1 ) x 2 if less than dB shall be reduce to

the lower dB level and those of dB or greater increased to the higher level.5.

Acceptance Criteria AWS D1.1 Article 6 Part C for Statically Loaded non tubular (6.13.1) on

Table 6.2


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10/19

B. Cyclically Loaded Non Tubular (6.20.1) Use IIW V1 & V2 Block Calibration (6.23.1)

1. Determine Thickness Test Pieces and Diameter and Find Range

2.

Find dB Reference = dB Sensitivity IIW V1 + (dB TOL TpdB TOL IIW V1)

2.1.

dB Sensitivity ASME IIW V1

2.1.1. Use 1 ea Angle Probe to obtain maximum heigth at 50% - 75% FSH(6.25.4.2) for

Hole Dia 1.5 mm at distance 15 mm from Survace (IIW V1 Block Calibration) make a

point and Write dB (dB Sensitivity ASME IIW V1)

2.2.

dB TOL IIW V1

2.2.1.

Make dB TOL (Transfer Of Loses) of IIW V1 Block Calibration at 50% - 75%

FSH(6.25.4.2)

a.

Find Thickness IIW V1 Block Calibration

b.


c. Calibrate Angle Probe on IIW V2 at Range

d.

First


SD 2 Leg

-





e. Second


SD 4 Leg


-

Find Sound Path On CRT 1 leg



2.3.



b. Find Range (Same as at TOL IIW V1 Block Calibration Range)

c.


d.

First


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SD 2 Leg

-





3. Find dB Scanning = dB Reference + (on Scanning Level Table 6.3 Cyclically ) (6.26.6)

4. Evaluation Level (6.31) to find Class at Table 6.3 Static

Indication Rating (6.26.6.5) = dB Indication Level (a) dB Reference (b)Attenuation Factor (c)

d. dB Indication Level = Find heigth pulse on screen at adjusted to Reference Level (50% - 70%

FSH)

e.

dB Reference (same as above number 2)

f.

Attenuation Factor = ( 1 ) x 2 if less than dB shall be reduce to

the lower dB level and those of dB or greater increased to the higher level.

5. Acceptance Criteria AWS D1.1 Article 6 Part C for Cyclically Loaded Non Tubular(6.13.2) on

Table 6.3


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13/19

C. Tubular Conection with D < 24 (6.20.1 & 6.13.3.1) Class R Use IOW A5 Block calibration

(6.27.3.2) and DAC Techniques.


2.

Find dB Reference = dB Sensitivity IOW A5 + (dB TOL TpdB TOL IOW A5)

2.1.

dB Sensitivity IOW A5

2.1.1. Make DAC ( Distance Amplitude Correction) IOW A5 at 50% 75% FSH(6.27.3.2 (1))

a.

Find Thickness IOW A5 (24 mm)



d.

First :


Depth 12.5 mm IOW A5 as 100% DAC make a point and write the dB (dB

Sensitivity IOW A5)



-


e.

Second


note to Depth 18 mm IOW A5 make a point.



-

Add 20 dB to original dB off 100% DACf.

Third


note to Depth 24 mm make a point.




g.

Fourd



-



2.2.

dB TOL IOW A5

2.2.1. Make dB TOL (Transfer Of Loses) of IOW A5 Block Calibration at 50% 75%

FSH(6.27.3.2 (1))

a.

Find Thickness IOW A5

b.


c.

Calibrate Angle Probe on IIW V2 at Ranged.

First



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SD 2 Leg



-



e. Second


SD 4 Leg





2.3.


a.

Find Thickness Test Pices

b. Check Range (Same as at DAC & TOL IOW A5 Block Calibration Range)

c.


d. First


SD 2 Leg



-



3.

Find dB Scanning = dB Reference + 6 dB (6.27.5)

4. Evaluation Level at > 50 % DAC, Linear or Plannar versus Spherical (6.27.7)

5. Acceptance Criteria AWS D1.1 Article 6 Part C for Tubular Connection Class X (6.13.3.2)

a.

Indication 50 % DAC , Disregarded

b.

50% < indication 100 % Shall be evaluated

- Isolated random spherical 25 mm ACC and > 25 mm evaluated as linear

reflector.

- Aligned spherical shall be evaluated as linear reflector

- Cluster spherical or more > 645 mm2/ 150 mm , Rejected

c. Linear or Plannar use figure 6.5 (note for Accumulated Length Indication D/2 )


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- 50% < indication 100 % DAC , Minor Indication

- Indication > 100% DAC , Mayor Indication


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D. Tubular Conection with T Y K Joint Connection (6.27 & 6.13.3.2) Class X Use IOW A5 Block

calibration (6.27.3.2) and DAC Techniques.


2.

Find dB Reference = dB Sensitivity IOW A5 + (dB TOL TpdB TOL IOW A5)

2.1.

dB Sensitivity IOW A5

2.1.1. Make DAC ( Distance Amplitude Correction) IOW A5 at 50% 75% FSH(6.27.3.2 (1))

a.

Find Thickness IOW A5 (24 mm)



d.

First :


Depth 12.5 mm IOW A5 as 100% DAC make a point and write the dB (dB

Sensitivity IOW A5)



-


e.

Second


note to Depth 18 mm IOW A5 make a point.



-

Add 20 dB to original dB off 100% DACf.

Third






g.

Fourd



-



2.2.

dB TOL IOW A5

2.2.1. Make dB TOL (Transfer Of Loses) of IOW A5 Block Calibration at 50% 75%

FSH(6.27.3.2 (1))

a.

Find Thickness IOW A5

b.


c.

Calibrate Angle Probe on IIW V2 at Ranged.

First



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SD 2 Leg



-



e. Second


SD 4 Leg





2.3.


a.

Find Thickness Test Pices

b. Check Range (Same as at DAC & TOL IOW A5 Block Calibration Range)

c.


d. First


SD 2 Leg



-



3. Find dB Scanning = dB Reference + 12 dB (6.27.5)

4.

Evaluation Level at > 50 % DAC, Linear or Plannar versus Spherical (6.27.7)

5. Acceptance Criteria AWS D1.1 Article 6 Part C for Tubular Connection Class X (6.13.3.2)

d. Indication 50 % DAC , Disregarded

e.

50% < indication 100 % Shall be evaluated

- Isolated random spherical 25 mm ACC and > 25 mm evaluated as linear

reflector.

-

Aligned spherical shall be evaluated as linear reflector

- Cluster spherical or more > 645 mm2/ 150 mm , Rejected

f. Linear or Plannar (root is define with in 6 mm or TW/ 4 whichever is greater.)

- Indication >50% DAC, For Root Only refer to figure 6.5


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- 50 % > Indication 100% DAC , For Internal Indication, disregarged

- Indication > 100% DAC, for Internal Indication refer to figure 6.5

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