TBA - NAVSEA TECHNICAL PUBLICATION

S9074-AQ-GIB-010/248 Rev 1

Table A-3. Essential Elements of an FS Procedure 1/, 2/ - Continued

NOTES:

1/ The fusion welding process shall use a qualified procedure conforming to other applicable sections herein. The qualified fusion welding procedure shall be submitted with the qualification package. 2/ See A-3.6.1.1 for FS tool life, inspection, etc. 3/ The FS activity shall notify NAVSEA of any changes in base material cleaning. The revised work instruction and procedure shall be provided to the authorized representative for review. The authorized representative may require requalification if the authorized representative has a concern. 4/ Only applicable to fusion weld repairs of FS welds.

Table A-4. Base Material Thickness Qualification Limits

Required Qualification of Test Assembly

Condition

Test Material Thickness (T)

Thickness (T) Qualified

Level I - FSW procedure

Test no. 1 (figure A-2) Test no. 1 (figure A-2)

Minimum nominal thickness

Maximum nominal thickness

Level II – FSW procedure

Test no. 2 (figure A-3)

Each nominal material thickness between the maximum and minimum nominal thickness qualified for level I

Each nominal thickness used in production

Level I – FSP procedure

Test no. 1 (figure A-2)

Minimum and maximum effective processing size to be used in production

Minimum and maximum effective processing size

Level II – FSP procedure

Test no. 2 (figure A-3)

Each effective processing size between the minimum and maximum effective processing size qualified

Each effective processing size to be used in production

Level II – Repair of friction stirred material procedure

Test no. 2 (figure A-3) Test no. 2 (figure A-3)

Repair of surface defect

Any thickness

Unlimited

Repair of defects other than surface defects

Minimum and maximum nominal thickness used in production

All material thickness between the minimum and maximum base material thickness qualified

Test no. 2 (figure A-3)

Repair by fusion welding

See A-3.4.3.4.3

Performance qualification

Test no. 3 (figure A-6)

Any thickness

Unlimited

A-19

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