Technique Sheet RT-DWDI - Superimpose

KIOS LLP RADIOGRAPHIC EXAMINATION TECHNIQUE SHEET Contract No. Inspection Code:

ASME V Article 2

Acceptance Criteria:

ASME VIII Div. I; ASME B31:3; API 1104 Radiographic Examination of Welded Joints

Minimum Weld Identification:

Date, “О” Location/Film Location Markers, IQI, Welder No, Isometric/Spool Number, Diameter and Wall Thickness, Weld No and Project No.

Material type:

Carbon/Stainless Steel

Item:

Size (range):

OD up to 2 1/2”

Thickness (range): up to 14 mm

Radiation source:

192

Pipe Joint

GEOMETRICAL RELATIONSHIPS S.F.D :

Iridium

To conform to ASME V Clause T-274

Source Size:

2.5 mm x 2.5 mm

O.F.D :

Wall thickness plus weld reinforcement

EXPOSURE PARAMETERS KV: N/A

MA: N/A

Curie/Min. To suit exposure geometry Exposure Arrangement

Film Type:

AGFA-Gevaert D2, D4 or equivalent

Screens: Cassette Type:

Lead Thickness: Front 0.05 mm Back 0.10 mm Flexible

I.Q.I. Type:

EN 462-1

Material Group:

FE

Position:

Source Side

Range:

As ASME V Table T-276

Number of I.Q.I.

3 at 120° intervals

Sensitivity:

As ASME V Table T-276

Geometric Unsharpness: Less than 0.5mm Processing:

Manual

Developing Time:

5-8 min

Arrangement: G

Fixing Time:

5-15 min

DWDI (superimpose) 3 Exposures at 120° intervals

Final Wash:

20 min

Density Weld:

2.0 - 3.5

Operator Approval:

FORMULATED BY AGS

ISO 9712 Level 2 or equivalent Name

Baibulov B.

Date

Signature APPROVED KIOS LLP

Name Signature

Date