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Copyright © 2005, TWI Ltd World Centre for Materials Joining Technology TWI TWI CSWIP 3.1 CSWIP 3.1 WELDING INSPECTION WELDING INSPECTION MACRO-SECTION. MACRO-SECTION. PRACTICAL PRACTICAL MACRO-SECTION. MACRO-SECTION. Section 25. Section 25.

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Page 1: Cswip Macro_2

Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

TWITWICSWIP 3.1CSWIP 3.1

WELDING INSPECTIONWELDING INSPECTION

MACRO-SECTION.MACRO-SECTION.PRACTICALPRACTICAL

MACRO-SECTION.MACRO-SECTION.

Section 25.Section 25.

Page 2: Cswip Macro_2

Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO SECTIONS

1. ASSESS THE MACRO PHOTOGRAPH FOR WELD1. ASSESS THE MACRO PHOTOGRAPH FOR WELD DEFECTS. DEFECTS. 2. RECORD THE MAJOR DEFECTS ON 2. RECORD THE MAJOR DEFECTS ON THETHE REPORT SHEETREPORT SHEET..3. SENTENCE THE DEFECTS RECORDED TO THE3. SENTENCE THE DEFECTS RECORDED TO THE ACCEPTANCE CRITERIA GIVEN.ACCEPTANCE CRITERIA GIVEN.

4. FOLLOW THE INSTRUCTIONS. 4. FOLLOW THE INSTRUCTIONS. PLEASE PLEASE DO NOTDO NOT MARK THE MARK THE PHOTOGRAPHS.PHOTOGRAPHS.

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Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO INSTRUCTIONS.

Page 4: Cswip Macro_2

Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO DEFECTS.

3mm3mm

50m50mmm

ANGULAR DISTORTION = 3mm in 50mm

Page 5: Cswip Macro_2

Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO DEFECTS.

1.5mm1.5mm

MISALIGNMENT

INCOMPLETLEY FILLED GROOVE

Page 6: Cswip Macro_2

Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO DEFECTS.

GAS PORE / BLOW HOLE

COLD LAP & POOR TOE BLEND

EXCESSIVE WELD METAL COLD

LAP & POOR TOE BLEND

Page 7: Cswip Macro_2

Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

Macro defectsINCOMPLETELY FILLED INCOMPLETELY FILLED GROOVEGROOVE

Page 8: Cswip Macro_2

Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO DEFECTS.

LACK OF SIDE WALL FUSIONLACK OF SIDE WALL FUSION & SLAG

LACK OF SIDE WALL FUSION / INCOMPELTELY FILLED GROOVE

Page 9: Cswip Macro_2

Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO DEFECTS.

LACK OF ROOT FUSION

LACK OF SIDEWALL FUSION / INCOMPLETELY FILLED GROOVE

COLD LAP

GAS PORES

Page 10: Cswip Macro_2

Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO DEFECTS.INCOMPETELY FILLED GOOVE

LACK OF ROOT FUSION

SLAG INCLUSIONGAS PORE

Page 11: Cswip Macro_2

Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO DEFECTS.

LACK OF ROOT PENETRATION

LACK OF SIDEWALL FUSION

LACK OF SIDEWALL FUSION

LACK OF SIDEWALL FUSION & SLAG

LACK OF SIDEWALL FUSION

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Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO SECTIONS

QUESTIONS.QUESTIONS.

Page 13: Cswip Macro_2

Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO DEFECTS.CLUSTER / WORMHOLE POROSITY

LAMINATIONS

LACK OF INTER-RUN FUSION

ROOT UNDERCUT

GAS PORES

LACK OF SIDEWALL FUSION & SLAG

LACK OF INTER-RUN FUSION & SLAG

LACK OF SIDEWALL FUSION

Page 14: Cswip Macro_2

Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO SAMPLE.

1 COLD LAP

2 LACK OF SIDEWALL FUSION & GAS / SILICA

3 COLD LAP

4 LACK OF INTER-RUN FUSION

WELDING PROCESS : MAGWELDING PROCESS : MAG

5 LACK OF SIDEWALL FUSION

Page 15: Cswip Macro_2

Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRONOTE: PHOTOGRAPH IS AT X10 MAGNIFICATION

MATERIAL: LOW CARBON STEEL WELDING PROCESS: [MAG/GMAW]

## DEFECTDEFECT SIZESIZE ACCEPT/REJECTACCEPT/REJECT11   POOR TOE BLENDPOOR TOE BLEND      22 OVERLAP + 2 SMALL PORESOVERLAP + 2 SMALL PORES      33 LAMINATIONS/INCLUSIONS LAMINATIONS/INCLUSIONS       44   LACK OF SIDE WALL FUSIONLACK OF SIDE WALL FUSION      55 AS ABOVE +PORESAS ABOVE +PORES      66 OVERLAPOVERLAP      77 LACK OF INTERRUN FUSION LACK OF INTERRUN FUSION    88   GAS PORE/PIPE GAS PORE/PIPE       99   LACK OF SIDE WALL FUSION + LACK OF SIDE WALL FUSION +

SILICASILICA     

1010   ANGULAR MISALIGNMENTANGULAR MISALIGNMENT      1111 EXCESS WELD METALEXCESS WELD METAL

     

1212 EXCESS PENETRATIONEXCESS PENETRATION      

AssessAssessToTo

SpecificationSpecification

26

98 3 4

1

75

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Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO ACCEPTANCE.

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Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO EXCERCISES.AM1030

TRAINING SAMPLE ONLYMACRO INSTRUCTION/REPORT SHEET [I.D: AM1030]

CHECK PHOTOGRAPH I.D MATCHES THIS REPORT I.DALL DEFECTS TO BE REPORTED [AND SIZED IF REQUIRED]

THEN SENTENCED TO ISO 5817 LEVEL B [STRINGENT]

NOTE: PHOTOGRAPH IS AT X10 MAGNIFICATIONMATERIAL: LOW CARBON STEELWELDING PROCESS: [MMA/SMAW]

1

2233445566

77

88

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Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO EXCERCISES. AM 1030

# DEFECT SIZE ACCEPT/REJECT123456789101112COMMENTS:

SIGNATURE: DATE:

PRINT FULL NAME:

Lack of side wall fusion and slagLack of root penetration

Lack of side wall fusionLack of inter run fusion and slagLack of side wall fusion

Misalignment

Angular distortion

Excess weld metal

Reject

RejectRejectRejectRejectAcceptReject

Accept8.60.2

0.52.54.22.53.2

N/A

Page 19: Cswip Macro_2

Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO EXCERCISES. AM 1031

TRAINING SAMPLE ONLYMACRO INSTRUCTION/REPORT SHEET [I.D: AM1031]

CHECK PHOTOGRAPH I.D MATCHES THIS REPORT I.DALL DEFECTS TO BE REPORTED [AND SIZED IF REQUIRED]

THEN SENTENCED TO ISO 5817 LEVEL B [STRINGENT]

NOTE: PHOTOGRAPH IS AT X10 MAGNIFICATIONMATERIAL: LOW CARBON STEELWELDING PROCESS: [MMA/SMAW]

11

2233

5566

77

8899

44

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Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO EXCERCISES. AM 1031

# DEFECT SIZE ACCEPT/REJECT123456789101112COMMENTS:

SIGNATURE: DATE:

PRINT FULL NAME:

Lack of side wall fusion/ underfill

Cold lapMisalignmentExcess penetration

Slag inclusion

Lack of side wall fusion and slag

Cold lap

Excess weld metalCold lap

Reject Reject

Reject

Reject

Reject Reject

AcceptRejectReject

0.77.50.51.83.30.30.70.53.5

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Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO EXCERCISES. AM 1032

1122

334455

MACRO INSTRUCTION/REPORT SHEET [I.D: AM1032]CHECK PHOTOGRAPH I.D MATCHES THIS REPORT I.D

ALL DEFECTS TO BE REPORTED [AND SIZED IF REQUIRED]THEN SENTENCED TO ISO 5817 LEVEL B [STRINGENT]

NOTE: PHOTOGRAPH IS AT X10 MAGNIFICATIONMATERIAL: LOW CARBON STEELWELDING PROCESS: [MMA/SMAW]

6677

88

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Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO EXCERCISES. AM 1032

# DEFECT SIZE ACCEPT/REJECT123456789101112COMMENTS:

SIGNATURE: DATE:

PRINT FULL NAME:

Lack of side wall fusion/underfill

Misalignment

Lack of side wall fusion & slag

Cold lap

Excess weld metal

Lack of sidewall fusion & Slag

Excess penetration

Reject Reject

Reject Reject

Reject Reject

Accept

Slag inclusion

0.52.84.51.50.31.82.03.3 Reject

Plate laminations noted

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Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO EXCERCISES. AM 1033

TRAINING SAMPLE ONLYMACRO INSTRUCTION/REPORT SHEET [I.D: AM1033]

CHECK PHOTOGRAPH I.D MATCHES THIS REPORT I.DALL DEFECTS TO BE REPORTED [AND SIZED IF REQUIRED]

THEN SENTENCED TO ISO 5817 LEVEL B [STRINGENT]NOTE: PHOTOGRAPH IS AT X10 MAGNIFICATION

MATERIAL: LOW CARBON STEELWELDING PROCESS: [MAG/GMAW]

11

22

334455

6677

88

Page 24: Cswip Macro_2

Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO EXCERCISES. AM 1033

# DEFECT SIZE ACCEPT/REJECT123456789101112COMMENTS:

SIGNATURE: DATE:

PRINT FULL NAME:

Cold Lap/ Overlap

MisalignmentCold lap / Overlap

Lack of interrun fusion & gas

Excess weld metal

Lack of sidewall fusion & gas Reject Reject

Reject AcceptReject

RejectRejectBlow hole

2.88.00.30.62.02.61.55.0 Reject

Plate laminations notedPoor toe blend

Lack of sidewall fusion

Page 25: Cswip Macro_2

Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO EXCERCISES. AM 1034TRAINING SAMPLE ONLY

MACRO INSTRUCTION/REPORT SHEET [I.D: AM1034]CHECK PHOTOGRAPH I.D MATCHES THIS REPORT I.D

ALL DEFECTS TO BE REPORTED [AND SIZED IF REQUIRED]THEN SENTENCED TO ISO 5817 LEVEL B [STRINGENT]

NOTE: PHOTOGRAPH IS AT X10 MAGNIFICATIONMATERIAL: LOW CARBON STEELWELDING PROCESS: [MMA/SMAW]

1122

33445566

7788

99 1010

Page 26: Cswip Macro_2

Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

MACRO EXCERCISES. AM 1034

# DEFECT SIZE ACCEPT/REJECT123456789101112COMMENTS:

SIGNATURE: DATE:

PRINT FULL NAME:

Lack of sidewall fusion & slag

Misalignment

Lack of inter-run fusion & slag

Lack of inter-run fusion & slag

Excess weld metal

Lack of sidewall fusion Reject Reject

Reject AcceptReject

RejectReject

Lack of side wall fusion

2.81.02.0

6in130.50.15.55.0 Reject

Plate laminations notedPoor toe blend

Angular distortion

Excess penetration

Spatter3.60.1 Accept

Reject

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Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

Macro defects

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Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

Macro defects

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Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

Macro defects

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Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

Macro defects

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Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

Macro defects

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Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

Macro defects

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Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

Macro defects

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Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

Macro defects

Page 35: Cswip Macro_2

Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

Macro defects

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Copyright © 2005, TWI LtdWorld Centre for Materials Joining Technology

Macro defects