TBA - NAVSEA TECHNICAL PUBLICATION

S9074-AR-GIB-010/278

TABLE XVII. RT Acceptance Criteria for Aluminum Castings

Cast Material: Aluminum Casting Category: 1,2,3

Radiography 1 Type of discontinuity

Metal thickness (plan

Metal thickness (plan

Gas porosity

Shrinkage

Foreign Material

Gas holes

dimensions for finished parts) inches

Elongated

Sponge Less Dense More Dense

Round

Cavity

dimensions for finished parts) inches

Grade

Plate

Grade

Plate

Plate

Grade

Grade

Plate

Grade

Plate

Plate

Plate

Grade

Grade

Inches

Inches

Inches

Inches

Inches

Inches

Inches

1. 1- 1/4

4

2. 2- 1/4

3. 11- 1/4

1/2 and less

4

2. 1- 1/4

None

3

1. 21- 1/4

3. 12- 1/4

3

3

1. 22- 1/4

4

3

1. 1- 3.4

2. 1- 1/4

1. 22- 3/4

1. 22- 3/4

5

4

2. 2- 3/4

None

4

4

4

5

Over 1/2 thru 1-1/4

5

3. 11- 3/4

3. 12- 3/4

1. 1- 3.4

Over 1-1/4 thru 2

2. 1- 1/4

1. 22- 3/4

1. 21- 3/4

6

6

3. 12- 3/4

5

3. 11- 3/4

5

5

6

2. 2- 3/4

None

5

1. 1- 3/4

Over 2 thru 3

1. 1- 3/4

None

1. 22- 3/4

7

2. 2- 3/4

1. 21- 3/4

7

3. 12- 3/4

7

6

6

6

3. 11- 3/4

7

1. 1- 3/4

1. 22- 3/4

2. 2- 3/4

1. 21- 3/4

None

8

1. 1- 3/4

8

3. 11- 3/4

8

8

8

Over 3

3. 12- 3/4

7

7

Original 113

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