S9074-AR-GIB-010/278
TABLE XVIII. RT acceptance criteria for steel (carbon. allov. and corrosion resistant). titanium. and titanium alloy castings. - Continued
Maximum severity level
ASTM standard 2
Thickness (inches)
Criticality Level 1
Hot tear, crack
Insert. chaplet
Shrinkage Porosity Inclusion
CA 3 CB 3 CC 3
E 186
1
A 3
B 3
None None
CA 4 CB 4 CC 4
2
E 186
EA 3, EB 3
None
A 4
B 4
Over 2 to 4-1/2
CA 5 CB 5 CC 5 CA 2 CB 2 CC 2 CA 3 CB 3 CC 3
3
EA 4, EB 4
E 186
None
B 5
A 5
1
E 280
B 3
A 3
None
None
Over 4-1/2
2
E 280
None
EA 3, EB 3
B 4
A 4
CA 5 CB 5 CC 5
A 5
B 5
EA 4, EB 4
None
E 280
3
Criticality level 1: Areas requiring 75 percent minimum RT coverage see (12.5.3). Criticality level 2 : Areas requiring 50 percent minimum RT coverage see (12.5.3). Criticality level 3 : Areas not requiring RT but are inadvertently radiographed for informartion purposes. 1.
2.
Evaluation or radiographs for acceptance shall be in accordance with the applicable ASTM stanbard. ASTM E 186 shall be used for evaluation purposes.
3.
Original 115
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